id
int32
0
167k
repo
stringlengths
5
54
path
stringlengths
4
155
func_name
stringlengths
1
118
original_string
stringlengths
52
85.5k
language
stringclasses
1 value
code
stringlengths
52
85.5k
code_tokens
sequencelengths
21
1.41k
docstring
stringlengths
6
2.61k
docstring_tokens
sequencelengths
3
215
sha
stringlengths
40
40
url
stringlengths
85
252
157,900
vitessio/vitess
go/vt/sqlparser/ast.go
replaceExprs
func replaceExprs(from, to Expr, exprs ...*Expr) bool { for _, expr := range exprs { if *expr == nil { continue } if *expr == from { *expr = to return true } if (*expr).replace(from, to) { return true } } return false }
go
func replaceExprs(from, to Expr, exprs ...*Expr) bool { for _, expr := range exprs { if *expr == nil { continue } if *expr == from { *expr = to return true } if (*expr).replace(from, to) { return true } } return false }
[ "func", "replaceExprs", "(", "from", ",", "to", "Expr", ",", "exprs", "...", "*", "Expr", ")", "bool", "{", "for", "_", ",", "expr", ":=", "range", "exprs", "{", "if", "*", "expr", "==", "nil", "{", "continue", "\n", "}", "\n", "if", "*", "expr", "==", "from", "{", "*", "expr", "=", "to", "\n", "return", "true", "\n", "}", "\n", "if", "(", "*", "expr", ")", ".", "replace", "(", "from", ",", "to", ")", "{", "return", "true", "\n", "}", "\n", "}", "\n", "return", "false", "\n", "}" ]
// replaceExprs is a convenience function used by implementors // of the replace method.
[ "replaceExprs", "is", "a", "convenience", "function", "used", "by", "implementors", "of", "the", "replace", "method", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/sqlparser/ast.go#L2207-L2221
157,901
vitessio/vitess
go/vt/sqlparser/ast.go
IsImpossible
func (node *ComparisonExpr) IsImpossible() bool { var left, right *SQLVal var ok bool if left, ok = node.Left.(*SQLVal); !ok { return false } if right, ok = node.Right.(*SQLVal); !ok { return false } if node.Operator == NotEqualStr && left.Type == right.Type { if len(left.Val) != len(right.Val) { return false } for i := range left.Val { if left.Val[i] != right.Val[i] { return false } } return true } return false }
go
func (node *ComparisonExpr) IsImpossible() bool { var left, right *SQLVal var ok bool if left, ok = node.Left.(*SQLVal); !ok { return false } if right, ok = node.Right.(*SQLVal); !ok { return false } if node.Operator == NotEqualStr && left.Type == right.Type { if len(left.Val) != len(right.Val) { return false } for i := range left.Val { if left.Val[i] != right.Val[i] { return false } } return true } return false }
[ "func", "(", "node", "*", "ComparisonExpr", ")", "IsImpossible", "(", ")", "bool", "{", "var", "left", ",", "right", "*", "SQLVal", "\n", "var", "ok", "bool", "\n", "if", "left", ",", "ok", "=", "node", ".", "Left", ".", "(", "*", "SQLVal", ")", ";", "!", "ok", "{", "return", "false", "\n", "}", "\n", "if", "right", ",", "ok", "=", "node", ".", "Right", ".", "(", "*", "SQLVal", ")", ";", "!", "ok", "{", "return", "false", "\n", "}", "\n", "if", "node", ".", "Operator", "==", "NotEqualStr", "&&", "left", ".", "Type", "==", "right", ".", "Type", "{", "if", "len", "(", "left", ".", "Val", ")", "!=", "len", "(", "right", ".", "Val", ")", "{", "return", "false", "\n", "}", "\n\n", "for", "i", ":=", "range", "left", ".", "Val", "{", "if", "left", ".", "Val", "[", "i", "]", "!=", "right", ".", "Val", "[", "i", "]", "{", "return", "false", "\n", "}", "\n", "}", "\n", "return", "true", "\n", "}", "\n", "return", "false", "\n", "}" ]
// IsImpossible returns true if the comparison in the expression can never evaluate to true. // Note that this is not currently exhaustive to ALL impossible comparisons.
[ "IsImpossible", "returns", "true", "if", "the", "comparison", "in", "the", "expression", "can", "never", "evaluate", "to", "true", ".", "Note", "that", "this", "is", "not", "currently", "exhaustive", "to", "ALL", "impossible", "comparisons", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/sqlparser/ast.go#L2395-L2417
157,902
vitessio/vitess
go/vt/sqlparser/ast.go
HexDecode
func (node *SQLVal) HexDecode() ([]byte, error) { dst := make([]byte, hex.DecodedLen(len([]byte(node.Val)))) _, err := hex.Decode(dst, []byte(node.Val)) if err != nil { return nil, err } return dst, err }
go
func (node *SQLVal) HexDecode() ([]byte, error) { dst := make([]byte, hex.DecodedLen(len([]byte(node.Val)))) _, err := hex.Decode(dst, []byte(node.Val)) if err != nil { return nil, err } return dst, err }
[ "func", "(", "node", "*", "SQLVal", ")", "HexDecode", "(", ")", "(", "[", "]", "byte", ",", "error", ")", "{", "dst", ":=", "make", "(", "[", "]", "byte", ",", "hex", ".", "DecodedLen", "(", "len", "(", "[", "]", "byte", "(", "node", ".", "Val", ")", ")", ")", ")", "\n", "_", ",", "err", ":=", "hex", ".", "Decode", "(", "dst", ",", "[", "]", "byte", "(", "node", ".", "Val", ")", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "err", "\n", "}", "\n", "return", "dst", ",", "err", "\n", "}" ]
// HexDecode decodes the hexval into bytes.
[ "HexDecode", "decodes", "the", "hexval", "into", "bytes", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/sqlparser/ast.go#L2616-L2623
157,903
vitessio/vitess
go/vt/sqlparser/ast.go
Equal
func (node *ColName) Equal(c *ColName) bool { // Failsafe: ColName should not be empty. if node == nil || c == nil { return false } return node.Name.Equal(c.Name) && node.Qualifier == c.Qualifier }
go
func (node *ColName) Equal(c *ColName) bool { // Failsafe: ColName should not be empty. if node == nil || c == nil { return false } return node.Name.Equal(c.Name) && node.Qualifier == c.Qualifier }
[ "func", "(", "node", "*", "ColName", ")", "Equal", "(", "c", "*", "ColName", ")", "bool", "{", "// Failsafe: ColName should not be empty.", "if", "node", "==", "nil", "||", "c", "==", "nil", "{", "return", "false", "\n", "}", "\n", "return", "node", ".", "Name", ".", "Equal", "(", "c", ".", "Name", ")", "&&", "node", ".", "Qualifier", "==", "c", ".", "Qualifier", "\n", "}" ]
// Equal returns true if the column names match.
[ "Equal", "returns", "true", "if", "the", "column", "names", "match", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/sqlparser/ast.go#L2696-L2702
157,904
vitessio/vitess
go/vt/sqlparser/ast.go
Lowered
func (node ColIdent) Lowered() string { if node.val == "" { return "" } if node.lowered == "" { node.lowered = strings.ToLower(node.val) } return node.lowered }
go
func (node ColIdent) Lowered() string { if node.val == "" { return "" } if node.lowered == "" { node.lowered = strings.ToLower(node.val) } return node.lowered }
[ "func", "(", "node", "ColIdent", ")", "Lowered", "(", ")", "string", "{", "if", "node", ".", "val", "==", "\"", "\"", "{", "return", "\"", "\"", "\n", "}", "\n", "if", "node", ".", "lowered", "==", "\"", "\"", "{", "node", ".", "lowered", "=", "strings", ".", "ToLower", "(", "node", ".", "val", ")", "\n", "}", "\n", "return", "node", ".", "lowered", "\n", "}" ]
// Lowered returns a lower-cased column name. // This function should generally be used only for optimizing // comparisons.
[ "Lowered", "returns", "a", "lower", "-", "cased", "column", "name", ".", "This", "function", "should", "generally", "be", "used", "only", "for", "optimizing", "comparisons", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/sqlparser/ast.go#L3669-L3677
157,905
vitessio/vitess
go/vt/sqlparser/ast.go
Equal
func (node ColIdent) Equal(in ColIdent) bool { return node.Lowered() == in.Lowered() }
go
func (node ColIdent) Equal(in ColIdent) bool { return node.Lowered() == in.Lowered() }
[ "func", "(", "node", "ColIdent", ")", "Equal", "(", "in", "ColIdent", ")", "bool", "{", "return", "node", ".", "Lowered", "(", ")", "==", "in", ".", "Lowered", "(", ")", "\n", "}" ]
// Equal performs a case-insensitive compare.
[ "Equal", "performs", "a", "case", "-", "insensitive", "compare", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/sqlparser/ast.go#L3680-L3682
157,906
vitessio/vitess
go/vt/sqlparser/ast.go
EqualString
func (node ColIdent) EqualString(str string) bool { return node.Lowered() == strings.ToLower(str) }
go
func (node ColIdent) EqualString(str string) bool { return node.Lowered() == strings.ToLower(str) }
[ "func", "(", "node", "ColIdent", ")", "EqualString", "(", "str", "string", ")", "bool", "{", "return", "node", ".", "Lowered", "(", ")", "==", "strings", ".", "ToLower", "(", "str", ")", "\n", "}" ]
// EqualString performs a case-insensitive compare with str.
[ "EqualString", "performs", "a", "case", "-", "insensitive", "compare", "with", "str", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/sqlparser/ast.go#L3685-L3687
157,907
vitessio/vitess
go/vt/workflow/resharding/workflow.go
validateWorkflow
func validateWorkflow(m *workflow.Manager, keyspace string, vtworkers, sourceShards, destinationShards []string, minHealthyRdonlyTablets string) error { if len(sourceShards) == 0 || len(destinationShards) == 0 { return fmt.Errorf("invalid source or destination shards") } if len(vtworkers) != len(destinationShards) { return fmt.Errorf("there are %v vtworkers, %v destination shards: the number should be same", len(vtworkers), len(destinationShards)) } splitRatio := len(destinationShards) / len(sourceShards) if minHealthyRdonlyTabletsVal, err := strconv.Atoi(minHealthyRdonlyTablets); err != nil || minHealthyRdonlyTabletsVal < splitRatio { return fmt.Errorf("there are not enough rdonly tablets in source shards. You need at least %v, it got: %v", splitRatio, minHealthyRdonlyTablets) } // find the OverlappingShards in the keyspace osList, err := topotools.FindOverlappingShards(context.Background(), m.TopoServer(), keyspace) if err != nil { return fmt.Errorf("cannot FindOverlappingShards in %v: %v", keyspace, err) } // find the shard we mentioned in there, if any os := topotools.OverlappingShardsForShard(osList, sourceShards[0]) if os == nil { return fmt.Errorf("the specified source shard %v/%v is not in any overlapping shard", keyspace, sourceShards[0]) } for _, sourceShard := range sourceShards { if !os.ContainsShard(sourceShard) { return fmt.Errorf("the specified source shard %v/%v is not in any overlapping shard", keyspace, sourceShard) } } for _, destinationShard := range destinationShards { if !os.ContainsShard(destinationShard) { return fmt.Errorf("the specified destination shard %v/%v is not in any overlapping shard", keyspace, destinationShard) } } return nil }
go
func validateWorkflow(m *workflow.Manager, keyspace string, vtworkers, sourceShards, destinationShards []string, minHealthyRdonlyTablets string) error { if len(sourceShards) == 0 || len(destinationShards) == 0 { return fmt.Errorf("invalid source or destination shards") } if len(vtworkers) != len(destinationShards) { return fmt.Errorf("there are %v vtworkers, %v destination shards: the number should be same", len(vtworkers), len(destinationShards)) } splitRatio := len(destinationShards) / len(sourceShards) if minHealthyRdonlyTabletsVal, err := strconv.Atoi(minHealthyRdonlyTablets); err != nil || minHealthyRdonlyTabletsVal < splitRatio { return fmt.Errorf("there are not enough rdonly tablets in source shards. You need at least %v, it got: %v", splitRatio, minHealthyRdonlyTablets) } // find the OverlappingShards in the keyspace osList, err := topotools.FindOverlappingShards(context.Background(), m.TopoServer(), keyspace) if err != nil { return fmt.Errorf("cannot FindOverlappingShards in %v: %v", keyspace, err) } // find the shard we mentioned in there, if any os := topotools.OverlappingShardsForShard(osList, sourceShards[0]) if os == nil { return fmt.Errorf("the specified source shard %v/%v is not in any overlapping shard", keyspace, sourceShards[0]) } for _, sourceShard := range sourceShards { if !os.ContainsShard(sourceShard) { return fmt.Errorf("the specified source shard %v/%v is not in any overlapping shard", keyspace, sourceShard) } } for _, destinationShard := range destinationShards { if !os.ContainsShard(destinationShard) { return fmt.Errorf("the specified destination shard %v/%v is not in any overlapping shard", keyspace, destinationShard) } } return nil }
[ "func", "validateWorkflow", "(", "m", "*", "workflow", ".", "Manager", ",", "keyspace", "string", ",", "vtworkers", ",", "sourceShards", ",", "destinationShards", "[", "]", "string", ",", "minHealthyRdonlyTablets", "string", ")", "error", "{", "if", "len", "(", "sourceShards", ")", "==", "0", "||", "len", "(", "destinationShards", ")", "==", "0", "{", "return", "fmt", ".", "Errorf", "(", "\"", "\"", ")", "\n", "}", "\n", "if", "len", "(", "vtworkers", ")", "!=", "len", "(", "destinationShards", ")", "{", "return", "fmt", ".", "Errorf", "(", "\"", "\"", ",", "len", "(", "vtworkers", ")", ",", "len", "(", "destinationShards", ")", ")", "\n", "}", "\n\n", "splitRatio", ":=", "len", "(", "destinationShards", ")", "/", "len", "(", "sourceShards", ")", "\n", "if", "minHealthyRdonlyTabletsVal", ",", "err", ":=", "strconv", ".", "Atoi", "(", "minHealthyRdonlyTablets", ")", ";", "err", "!=", "nil", "||", "minHealthyRdonlyTabletsVal", "<", "splitRatio", "{", "return", "fmt", ".", "Errorf", "(", "\"", "\"", ",", "splitRatio", ",", "minHealthyRdonlyTablets", ")", "\n", "}", "\n\n", "// find the OverlappingShards in the keyspace", "osList", ",", "err", ":=", "topotools", ".", "FindOverlappingShards", "(", "context", ".", "Background", "(", ")", ",", "m", ".", "TopoServer", "(", ")", ",", "keyspace", ")", "\n", "if", "err", "!=", "nil", "{", "return", "fmt", ".", "Errorf", "(", "\"", "\"", ",", "keyspace", ",", "err", ")", "\n", "}", "\n\n", "// find the shard we mentioned in there, if any", "os", ":=", "topotools", ".", "OverlappingShardsForShard", "(", "osList", ",", "sourceShards", "[", "0", "]", ")", "\n", "if", "os", "==", "nil", "{", "return", "fmt", ".", "Errorf", "(", "\"", "\"", ",", "keyspace", ",", "sourceShards", "[", "0", "]", ")", "\n", "}", "\n", "for", "_", ",", "sourceShard", ":=", "range", "sourceShards", "{", "if", "!", "os", ".", "ContainsShard", "(", "sourceShard", ")", "{", "return", "fmt", ".", "Errorf", "(", "\"", "\"", ",", "keyspace", ",", "sourceShard", ")", "\n", "}", "\n", "}", "\n", "for", "_", ",", "destinationShard", ":=", "range", "destinationShards", "{", "if", "!", "os", ".", "ContainsShard", "(", "destinationShard", ")", "{", "return", "fmt", ".", "Errorf", "(", "\"", "\"", ",", "keyspace", ",", "destinationShard", ")", "\n", "}", "\n", "}", "\n", "return", "nil", "\n", "}" ]
// validateWorkflow validates that workflow has valid input parameters.
[ "validateWorkflow", "validates", "that", "workflow", "has", "valid", "input", "parameters", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/workflow/resharding/workflow.go#L229-L264
157,908
vitessio/vitess
go/vt/workflow/resharding/workflow.go
initCheckpoint
func initCheckpoint(keyspace string, vtworkers, sourceShards, destinationShards []string, minHealthyRdonlyTablets, splitCmd, splitDiffDestTabletType string) (*workflowpb.WorkflowCheckpoint, error) { tasks := make(map[string]*workflowpb.Task) initTasks(tasks, phaseCopySchema, destinationShards, func(i int, shard string) map[string]string { return map[string]string{ "keyspace": keyspace, "source_shard": sourceShards[0], "destination_shard": shard, } }) initTasks(tasks, phaseClone, sourceShards, func(i int, shard string) map[string]string { return map[string]string{ "keyspace": keyspace, "source_shard": shard, "min_healthy_rdonly_tablets": minHealthyRdonlyTablets, "split_cmd": splitCmd, "vtworker": vtworkers[i], } }) initTasks(tasks, phaseWaitForFilteredReplication, destinationShards, func(i int, shard string) map[string]string { return map[string]string{ "keyspace": keyspace, "destination_shard": shard, } }) initTasks(tasks, phaseDiff, destinationShards, func(i int, shard string) map[string]string { return map[string]string{ "keyspace": keyspace, "destination_shard": shard, "dest_tablet_type": splitDiffDestTabletType, "vtworker": vtworkers[i], } }) initTasks(tasks, phaseMigrateRdonly, sourceShards, func(i int, shard string) map[string]string { return map[string]string{ "keyspace": keyspace, "source_shard": shard, "served_type": topodatapb.TabletType_RDONLY.String(), } }) initTasks(tasks, phaseMigrateReplica, sourceShards, func(i int, shard string) map[string]string { return map[string]string{ "keyspace": keyspace, "source_shard": shard, "served_type": topodatapb.TabletType_REPLICA.String(), } }) initTasks(tasks, phaseMigrateMaster, sourceShards, func(i int, shard string) map[string]string { return map[string]string{ "keyspace": keyspace, "source_shard": shard, "served_type": topodatapb.TabletType_MASTER.String(), } }) return &workflowpb.WorkflowCheckpoint{ CodeVersion: codeVersion, Tasks: tasks, Settings: map[string]string{ "source_shards": strings.Join(sourceShards, ","), "destination_shards": strings.Join(destinationShards, ","), }, }, nil }
go
func initCheckpoint(keyspace string, vtworkers, sourceShards, destinationShards []string, minHealthyRdonlyTablets, splitCmd, splitDiffDestTabletType string) (*workflowpb.WorkflowCheckpoint, error) { tasks := make(map[string]*workflowpb.Task) initTasks(tasks, phaseCopySchema, destinationShards, func(i int, shard string) map[string]string { return map[string]string{ "keyspace": keyspace, "source_shard": sourceShards[0], "destination_shard": shard, } }) initTasks(tasks, phaseClone, sourceShards, func(i int, shard string) map[string]string { return map[string]string{ "keyspace": keyspace, "source_shard": shard, "min_healthy_rdonly_tablets": minHealthyRdonlyTablets, "split_cmd": splitCmd, "vtworker": vtworkers[i], } }) initTasks(tasks, phaseWaitForFilteredReplication, destinationShards, func(i int, shard string) map[string]string { return map[string]string{ "keyspace": keyspace, "destination_shard": shard, } }) initTasks(tasks, phaseDiff, destinationShards, func(i int, shard string) map[string]string { return map[string]string{ "keyspace": keyspace, "destination_shard": shard, "dest_tablet_type": splitDiffDestTabletType, "vtworker": vtworkers[i], } }) initTasks(tasks, phaseMigrateRdonly, sourceShards, func(i int, shard string) map[string]string { return map[string]string{ "keyspace": keyspace, "source_shard": shard, "served_type": topodatapb.TabletType_RDONLY.String(), } }) initTasks(tasks, phaseMigrateReplica, sourceShards, func(i int, shard string) map[string]string { return map[string]string{ "keyspace": keyspace, "source_shard": shard, "served_type": topodatapb.TabletType_REPLICA.String(), } }) initTasks(tasks, phaseMigrateMaster, sourceShards, func(i int, shard string) map[string]string { return map[string]string{ "keyspace": keyspace, "source_shard": shard, "served_type": topodatapb.TabletType_MASTER.String(), } }) return &workflowpb.WorkflowCheckpoint{ CodeVersion: codeVersion, Tasks: tasks, Settings: map[string]string{ "source_shards": strings.Join(sourceShards, ","), "destination_shards": strings.Join(destinationShards, ","), }, }, nil }
[ "func", "initCheckpoint", "(", "keyspace", "string", ",", "vtworkers", ",", "sourceShards", ",", "destinationShards", "[", "]", "string", ",", "minHealthyRdonlyTablets", ",", "splitCmd", ",", "splitDiffDestTabletType", "string", ")", "(", "*", "workflowpb", ".", "WorkflowCheckpoint", ",", "error", ")", "{", "tasks", ":=", "make", "(", "map", "[", "string", "]", "*", "workflowpb", ".", "Task", ")", "\n", "initTasks", "(", "tasks", ",", "phaseCopySchema", ",", "destinationShards", ",", "func", "(", "i", "int", ",", "shard", "string", ")", "map", "[", "string", "]", "string", "{", "return", "map", "[", "string", "]", "string", "{", "\"", "\"", ":", "keyspace", ",", "\"", "\"", ":", "sourceShards", "[", "0", "]", ",", "\"", "\"", ":", "shard", ",", "}", "\n", "}", ")", "\n", "initTasks", "(", "tasks", ",", "phaseClone", ",", "sourceShards", ",", "func", "(", "i", "int", ",", "shard", "string", ")", "map", "[", "string", "]", "string", "{", "return", "map", "[", "string", "]", "string", "{", "\"", "\"", ":", "keyspace", ",", "\"", "\"", ":", "shard", ",", "\"", "\"", ":", "minHealthyRdonlyTablets", ",", "\"", "\"", ":", "splitCmd", ",", "\"", "\"", ":", "vtworkers", "[", "i", "]", ",", "}", "\n", "}", ")", "\n", "initTasks", "(", "tasks", ",", "phaseWaitForFilteredReplication", ",", "destinationShards", ",", "func", "(", "i", "int", ",", "shard", "string", ")", "map", "[", "string", "]", "string", "{", "return", "map", "[", "string", "]", "string", "{", "\"", "\"", ":", "keyspace", ",", "\"", "\"", ":", "shard", ",", "}", "\n", "}", ")", "\n", "initTasks", "(", "tasks", ",", "phaseDiff", ",", "destinationShards", ",", "func", "(", "i", "int", ",", "shard", "string", ")", "map", "[", "string", "]", "string", "{", "return", "map", "[", "string", "]", "string", "{", "\"", "\"", ":", "keyspace", ",", "\"", "\"", ":", "shard", ",", "\"", "\"", ":", "splitDiffDestTabletType", ",", "\"", "\"", ":", "vtworkers", "[", "i", "]", ",", "}", "\n", "}", ")", "\n", "initTasks", "(", "tasks", ",", "phaseMigrateRdonly", ",", "sourceShards", ",", "func", "(", "i", "int", ",", "shard", "string", ")", "map", "[", "string", "]", "string", "{", "return", "map", "[", "string", "]", "string", "{", "\"", "\"", ":", "keyspace", ",", "\"", "\"", ":", "shard", ",", "\"", "\"", ":", "topodatapb", ".", "TabletType_RDONLY", ".", "String", "(", ")", ",", "}", "\n", "}", ")", "\n", "initTasks", "(", "tasks", ",", "phaseMigrateReplica", ",", "sourceShards", ",", "func", "(", "i", "int", ",", "shard", "string", ")", "map", "[", "string", "]", "string", "{", "return", "map", "[", "string", "]", "string", "{", "\"", "\"", ":", "keyspace", ",", "\"", "\"", ":", "shard", ",", "\"", "\"", ":", "topodatapb", ".", "TabletType_REPLICA", ".", "String", "(", ")", ",", "}", "\n", "}", ")", "\n", "initTasks", "(", "tasks", ",", "phaseMigrateMaster", ",", "sourceShards", ",", "func", "(", "i", "int", ",", "shard", "string", ")", "map", "[", "string", "]", "string", "{", "return", "map", "[", "string", "]", "string", "{", "\"", "\"", ":", "keyspace", ",", "\"", "\"", ":", "shard", ",", "\"", "\"", ":", "topodatapb", ".", "TabletType_MASTER", ".", "String", "(", ")", ",", "}", "\n", "}", ")", "\n\n", "return", "&", "workflowpb", ".", "WorkflowCheckpoint", "{", "CodeVersion", ":", "codeVersion", ",", "Tasks", ":", "tasks", ",", "Settings", ":", "map", "[", "string", "]", "string", "{", "\"", "\"", ":", "strings", ".", "Join", "(", "sourceShards", ",", "\"", "\"", ")", ",", "\"", "\"", ":", "strings", ".", "Join", "(", "destinationShards", ",", "\"", "\"", ")", ",", "}", ",", "}", ",", "nil", "\n", "}" ]
// initCheckpoint initialize the checkpoint for the horizontal workflow.
[ "initCheckpoint", "initialize", "the", "checkpoint", "for", "the", "horizontal", "workflow", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/workflow/resharding/workflow.go#L267-L329
157,909
vitessio/vitess
go/vt/workflow/resharding/workflow.go
Run
func (hw *horizontalReshardingWorkflow) Run(ctx context.Context, manager *workflow.Manager, wi *topo.WorkflowInfo) error { hw.ctx = ctx hw.wi = wi hw.checkpointWriter = workflow.NewCheckpointWriter(hw.topoServer, hw.checkpoint, hw.wi) hw.rootUINode.Display = workflow.NodeDisplayDeterminate hw.rootUINode.BroadcastChanges(true /* updateChildren */) if err := hw.runWorkflow(); err != nil { return err } hw.setUIMessage(fmt.Sprintf("Horizontal Resharding is finished sucessfully.")) return nil }
go
func (hw *horizontalReshardingWorkflow) Run(ctx context.Context, manager *workflow.Manager, wi *topo.WorkflowInfo) error { hw.ctx = ctx hw.wi = wi hw.checkpointWriter = workflow.NewCheckpointWriter(hw.topoServer, hw.checkpoint, hw.wi) hw.rootUINode.Display = workflow.NodeDisplayDeterminate hw.rootUINode.BroadcastChanges(true /* updateChildren */) if err := hw.runWorkflow(); err != nil { return err } hw.setUIMessage(fmt.Sprintf("Horizontal Resharding is finished sucessfully.")) return nil }
[ "func", "(", "hw", "*", "horizontalReshardingWorkflow", ")", "Run", "(", "ctx", "context", ".", "Context", ",", "manager", "*", "workflow", ".", "Manager", ",", "wi", "*", "topo", ".", "WorkflowInfo", ")", "error", "{", "hw", ".", "ctx", "=", "ctx", "\n", "hw", ".", "wi", "=", "wi", "\n", "hw", ".", "checkpointWriter", "=", "workflow", ".", "NewCheckpointWriter", "(", "hw", ".", "topoServer", ",", "hw", ".", "checkpoint", ",", "hw", ".", "wi", ")", "\n", "hw", ".", "rootUINode", ".", "Display", "=", "workflow", ".", "NodeDisplayDeterminate", "\n", "hw", ".", "rootUINode", ".", "BroadcastChanges", "(", "true", "/* updateChildren */", ")", "\n\n", "if", "err", ":=", "hw", ".", "runWorkflow", "(", ")", ";", "err", "!=", "nil", "{", "return", "err", "\n", "}", "\n", "hw", ".", "setUIMessage", "(", "fmt", ".", "Sprintf", "(", "\"", "\"", ")", ")", "\n", "return", "nil", "\n", "}" ]
// Run executes the horizontal resharding process. // It implements the workflow.Workflow interface.
[ "Run", "executes", "the", "horizontal", "resharding", "process", ".", "It", "implements", "the", "workflow", ".", "Workflow", "interface", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/workflow/resharding/workflow.go#L364-L376
157,910
vitessio/vitess
go/vt/workflow/resharding/workflow.go
WorkflowPhases
func WorkflowPhases() []string { return []string{ string(phaseCopySchema), string(phaseClone), string(phaseWaitForFilteredReplication), string(phaseDiff), string(phaseMigrateReplica), string(phaseMigrateRdonly), string(phaseMigrateMaster), } }
go
func WorkflowPhases() []string { return []string{ string(phaseCopySchema), string(phaseClone), string(phaseWaitForFilteredReplication), string(phaseDiff), string(phaseMigrateReplica), string(phaseMigrateRdonly), string(phaseMigrateMaster), } }
[ "func", "WorkflowPhases", "(", ")", "[", "]", "string", "{", "return", "[", "]", "string", "{", "string", "(", "phaseCopySchema", ")", ",", "string", "(", "phaseClone", ")", ",", "string", "(", "phaseWaitForFilteredReplication", ")", ",", "string", "(", "phaseDiff", ")", ",", "string", "(", "phaseMigrateReplica", ")", ",", "string", "(", "phaseMigrateRdonly", ")", ",", "string", "(", "phaseMigrateMaster", ")", ",", "}", "\n", "}" ]
// WorkflowPhases returns phases for resharding workflow
[ "WorkflowPhases", "returns", "phases", "for", "resharding", "workflow" ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/workflow/resharding/workflow.go#L429-L439
157,911
vitessio/vitess
go/vt/vitessdriver/streaming_rows.go
newStreamingRows
func newStreamingRows(stream sqltypes.ResultStream, conv *converter) driver.Rows { return &streamingRows{ stream: stream, convert: conv, } }
go
func newStreamingRows(stream sqltypes.ResultStream, conv *converter) driver.Rows { return &streamingRows{ stream: stream, convert: conv, } }
[ "func", "newStreamingRows", "(", "stream", "sqltypes", ".", "ResultStream", ",", "conv", "*", "converter", ")", "driver", ".", "Rows", "{", "return", "&", "streamingRows", "{", "stream", ":", "stream", ",", "convert", ":", "conv", ",", "}", "\n", "}" ]
// newStreamingRows creates a new streamingRows from stream.
[ "newStreamingRows", "creates", "a", "new", "streamingRows", "from", "stream", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vitessdriver/streaming_rows.go#L40-L45
157,912
vitessio/vitess
go/vt/vitessdriver/streaming_rows.go
checkFields
func (ri *streamingRows) checkFields() error { if ri.fields != nil { return nil } qr, err := ri.stream.Recv() if err != nil { return err } ri.fields = qr.Fields if ri.fields == nil { return errors.New("first packet did not return fields") } return nil }
go
func (ri *streamingRows) checkFields() error { if ri.fields != nil { return nil } qr, err := ri.stream.Recv() if err != nil { return err } ri.fields = qr.Fields if ri.fields == nil { return errors.New("first packet did not return fields") } return nil }
[ "func", "(", "ri", "*", "streamingRows", ")", "checkFields", "(", ")", "error", "{", "if", "ri", ".", "fields", "!=", "nil", "{", "return", "nil", "\n", "}", "\n", "qr", ",", "err", ":=", "ri", ".", "stream", ".", "Recv", "(", ")", "\n", "if", "err", "!=", "nil", "{", "return", "err", "\n", "}", "\n", "ri", ".", "fields", "=", "qr", ".", "Fields", "\n", "if", "ri", ".", "fields", "==", "nil", "{", "return", "errors", ".", "New", "(", "\"", "\"", ")", "\n", "}", "\n", "return", "nil", "\n", "}" ]
// checkFields fetches the first packet from the channel, which // should contain the field info.
[ "checkFields", "fetches", "the", "first", "packet", "from", "the", "channel", "which", "should", "contain", "the", "field", "info", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vitessdriver/streaming_rows.go#L92-L105
157,913
vitessio/vitess
go/vt/mysqlctl/filebackupstorage/file.go
AddFile
func (fbh *FileBackupHandle) AddFile(ctx context.Context, filename string, filesize int64) (io.WriteCloser, error) { if fbh.readOnly { return nil, fmt.Errorf("AddFile cannot be called on read-only backup") } p := path.Join(*FileBackupStorageRoot, fbh.dir, fbh.name, filename) return os.Create(p) }
go
func (fbh *FileBackupHandle) AddFile(ctx context.Context, filename string, filesize int64) (io.WriteCloser, error) { if fbh.readOnly { return nil, fmt.Errorf("AddFile cannot be called on read-only backup") } p := path.Join(*FileBackupStorageRoot, fbh.dir, fbh.name, filename) return os.Create(p) }
[ "func", "(", "fbh", "*", "FileBackupHandle", ")", "AddFile", "(", "ctx", "context", ".", "Context", ",", "filename", "string", ",", "filesize", "int64", ")", "(", "io", ".", "WriteCloser", ",", "error", ")", "{", "if", "fbh", ".", "readOnly", "{", "return", "nil", ",", "fmt", ".", "Errorf", "(", "\"", "\"", ")", "\n", "}", "\n", "p", ":=", "path", ".", "Join", "(", "*", "FileBackupStorageRoot", ",", "fbh", ".", "dir", ",", "fbh", ".", "name", ",", "filename", ")", "\n", "return", "os", ".", "Create", "(", "p", ")", "\n", "}" ]
// AddFile is part of the BackupHandle interface
[ "AddFile", "is", "part", "of", "the", "BackupHandle", "interface" ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/filebackupstorage/file.go#L59-L65
157,914
vitessio/vitess
go/vt/mysqlctl/filebackupstorage/file.go
EndBackup
func (fbh *FileBackupHandle) EndBackup(ctx context.Context) error { if fbh.readOnly { return fmt.Errorf("EndBackup cannot be called on read-only backup") } return nil }
go
func (fbh *FileBackupHandle) EndBackup(ctx context.Context) error { if fbh.readOnly { return fmt.Errorf("EndBackup cannot be called on read-only backup") } return nil }
[ "func", "(", "fbh", "*", "FileBackupHandle", ")", "EndBackup", "(", "ctx", "context", ".", "Context", ")", "error", "{", "if", "fbh", ".", "readOnly", "{", "return", "fmt", ".", "Errorf", "(", "\"", "\"", ")", "\n", "}", "\n", "return", "nil", "\n", "}" ]
// EndBackup is part of the BackupHandle interface
[ "EndBackup", "is", "part", "of", "the", "BackupHandle", "interface" ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/filebackupstorage/file.go#L68-L73
157,915
vitessio/vitess
go/vt/mysqlctl/filebackupstorage/file.go
AbortBackup
func (fbh *FileBackupHandle) AbortBackup(ctx context.Context) error { if fbh.readOnly { return fmt.Errorf("AbortBackup cannot be called on read-only backup") } return fbh.fbs.RemoveBackup(ctx, fbh.dir, fbh.name) }
go
func (fbh *FileBackupHandle) AbortBackup(ctx context.Context) error { if fbh.readOnly { return fmt.Errorf("AbortBackup cannot be called on read-only backup") } return fbh.fbs.RemoveBackup(ctx, fbh.dir, fbh.name) }
[ "func", "(", "fbh", "*", "FileBackupHandle", ")", "AbortBackup", "(", "ctx", "context", ".", "Context", ")", "error", "{", "if", "fbh", ".", "readOnly", "{", "return", "fmt", ".", "Errorf", "(", "\"", "\"", ")", "\n", "}", "\n", "return", "fbh", ".", "fbs", ".", "RemoveBackup", "(", "ctx", ",", "fbh", ".", "dir", ",", "fbh", ".", "name", ")", "\n", "}" ]
// AbortBackup is part of the BackupHandle interface
[ "AbortBackup", "is", "part", "of", "the", "BackupHandle", "interface" ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/filebackupstorage/file.go#L76-L81
157,916
vitessio/vitess
go/vt/mysqlctl/filebackupstorage/file.go
ReadFile
func (fbh *FileBackupHandle) ReadFile(ctx context.Context, filename string) (io.ReadCloser, error) { if !fbh.readOnly { return nil, fmt.Errorf("ReadFile cannot be called on read-write backup") } p := path.Join(*FileBackupStorageRoot, fbh.dir, fbh.name, filename) return os.Open(p) }
go
func (fbh *FileBackupHandle) ReadFile(ctx context.Context, filename string) (io.ReadCloser, error) { if !fbh.readOnly { return nil, fmt.Errorf("ReadFile cannot be called on read-write backup") } p := path.Join(*FileBackupStorageRoot, fbh.dir, fbh.name, filename) return os.Open(p) }
[ "func", "(", "fbh", "*", "FileBackupHandle", ")", "ReadFile", "(", "ctx", "context", ".", "Context", ",", "filename", "string", ")", "(", "io", ".", "ReadCloser", ",", "error", ")", "{", "if", "!", "fbh", ".", "readOnly", "{", "return", "nil", ",", "fmt", ".", "Errorf", "(", "\"", "\"", ")", "\n", "}", "\n", "p", ":=", "path", ".", "Join", "(", "*", "FileBackupStorageRoot", ",", "fbh", ".", "dir", ",", "fbh", ".", "name", ",", "filename", ")", "\n", "return", "os", ".", "Open", "(", "p", ")", "\n", "}" ]
// ReadFile is part of the BackupHandle interface
[ "ReadFile", "is", "part", "of", "the", "BackupHandle", "interface" ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/filebackupstorage/file.go#L84-L90
157,917
vitessio/vitess
go/vt/mysqlctl/filebackupstorage/file.go
ListBackups
func (fbs *FileBackupStorage) ListBackups(ctx context.Context, dir string) ([]backupstorage.BackupHandle, error) { // ReadDir already sorts the results p := path.Join(*FileBackupStorageRoot, dir) fi, err := ioutil.ReadDir(p) if err != nil { if os.IsNotExist(err) { return nil, nil } return nil, err } result := make([]backupstorage.BackupHandle, 0, len(fi)) for _, info := range fi { if !info.IsDir() { continue } if info.Name() == "." || info.Name() == ".." { continue } result = append(result, &FileBackupHandle{ fbs: fbs, dir: dir, name: info.Name(), readOnly: true, }) } return result, nil }
go
func (fbs *FileBackupStorage) ListBackups(ctx context.Context, dir string) ([]backupstorage.BackupHandle, error) { // ReadDir already sorts the results p := path.Join(*FileBackupStorageRoot, dir) fi, err := ioutil.ReadDir(p) if err != nil { if os.IsNotExist(err) { return nil, nil } return nil, err } result := make([]backupstorage.BackupHandle, 0, len(fi)) for _, info := range fi { if !info.IsDir() { continue } if info.Name() == "." || info.Name() == ".." { continue } result = append(result, &FileBackupHandle{ fbs: fbs, dir: dir, name: info.Name(), readOnly: true, }) } return result, nil }
[ "func", "(", "fbs", "*", "FileBackupStorage", ")", "ListBackups", "(", "ctx", "context", ".", "Context", ",", "dir", "string", ")", "(", "[", "]", "backupstorage", ".", "BackupHandle", ",", "error", ")", "{", "// ReadDir already sorts the results", "p", ":=", "path", ".", "Join", "(", "*", "FileBackupStorageRoot", ",", "dir", ")", "\n", "fi", ",", "err", ":=", "ioutil", ".", "ReadDir", "(", "p", ")", "\n", "if", "err", "!=", "nil", "{", "if", "os", ".", "IsNotExist", "(", "err", ")", "{", "return", "nil", ",", "nil", "\n", "}", "\n", "return", "nil", ",", "err", "\n", "}", "\n\n", "result", ":=", "make", "(", "[", "]", "backupstorage", ".", "BackupHandle", ",", "0", ",", "len", "(", "fi", ")", ")", "\n", "for", "_", ",", "info", ":=", "range", "fi", "{", "if", "!", "info", ".", "IsDir", "(", ")", "{", "continue", "\n", "}", "\n", "if", "info", ".", "Name", "(", ")", "==", "\"", "\"", "||", "info", ".", "Name", "(", ")", "==", "\"", "\"", "{", "continue", "\n", "}", "\n", "result", "=", "append", "(", "result", ",", "&", "FileBackupHandle", "{", "fbs", ":", "fbs", ",", "dir", ":", "dir", ",", "name", ":", "info", ".", "Name", "(", ")", ",", "readOnly", ":", "true", ",", "}", ")", "\n", "}", "\n", "return", "result", ",", "nil", "\n", "}" ]
// ListBackups is part of the BackupStorage interface
[ "ListBackups", "is", "part", "of", "the", "BackupStorage", "interface" ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/filebackupstorage/file.go#L96-L123
157,918
vitessio/vitess
go/vt/mysqlctl/filebackupstorage/file.go
StartBackup
func (fbs *FileBackupStorage) StartBackup(ctx context.Context, dir, name string) (backupstorage.BackupHandle, error) { // Make sure the directory exists. p := path.Join(*FileBackupStorageRoot, dir) if err := os.MkdirAll(p, os.ModePerm); err != nil { return nil, err } // Create the subdirectory for this named backup. p = path.Join(p, name) if err := os.Mkdir(p, os.ModePerm); err != nil { return nil, err } return &FileBackupHandle{ fbs: fbs, dir: dir, name: name, readOnly: false, }, nil }
go
func (fbs *FileBackupStorage) StartBackup(ctx context.Context, dir, name string) (backupstorage.BackupHandle, error) { // Make sure the directory exists. p := path.Join(*FileBackupStorageRoot, dir) if err := os.MkdirAll(p, os.ModePerm); err != nil { return nil, err } // Create the subdirectory for this named backup. p = path.Join(p, name) if err := os.Mkdir(p, os.ModePerm); err != nil { return nil, err } return &FileBackupHandle{ fbs: fbs, dir: dir, name: name, readOnly: false, }, nil }
[ "func", "(", "fbs", "*", "FileBackupStorage", ")", "StartBackup", "(", "ctx", "context", ".", "Context", ",", "dir", ",", "name", "string", ")", "(", "backupstorage", ".", "BackupHandle", ",", "error", ")", "{", "// Make sure the directory exists.", "p", ":=", "path", ".", "Join", "(", "*", "FileBackupStorageRoot", ",", "dir", ")", "\n", "if", "err", ":=", "os", ".", "MkdirAll", "(", "p", ",", "os", ".", "ModePerm", ")", ";", "err", "!=", "nil", "{", "return", "nil", ",", "err", "\n", "}", "\n\n", "// Create the subdirectory for this named backup.", "p", "=", "path", ".", "Join", "(", "p", ",", "name", ")", "\n", "if", "err", ":=", "os", ".", "Mkdir", "(", "p", ",", "os", ".", "ModePerm", ")", ";", "err", "!=", "nil", "{", "return", "nil", ",", "err", "\n", "}", "\n\n", "return", "&", "FileBackupHandle", "{", "fbs", ":", "fbs", ",", "dir", ":", "dir", ",", "name", ":", "name", ",", "readOnly", ":", "false", ",", "}", ",", "nil", "\n", "}" ]
// StartBackup is part of the BackupStorage interface
[ "StartBackup", "is", "part", "of", "the", "BackupStorage", "interface" ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/filebackupstorage/file.go#L126-L145
157,919
vitessio/vitess
go/vt/mysqlctl/filebackupstorage/file.go
RemoveBackup
func (fbs *FileBackupStorage) RemoveBackup(ctx context.Context, dir, name string) error { p := path.Join(*FileBackupStorageRoot, dir, name) return os.RemoveAll(p) }
go
func (fbs *FileBackupStorage) RemoveBackup(ctx context.Context, dir, name string) error { p := path.Join(*FileBackupStorageRoot, dir, name) return os.RemoveAll(p) }
[ "func", "(", "fbs", "*", "FileBackupStorage", ")", "RemoveBackup", "(", "ctx", "context", ".", "Context", ",", "dir", ",", "name", "string", ")", "error", "{", "p", ":=", "path", ".", "Join", "(", "*", "FileBackupStorageRoot", ",", "dir", ",", "name", ")", "\n", "return", "os", ".", "RemoveAll", "(", "p", ")", "\n", "}" ]
// RemoveBackup is part of the BackupStorage interface
[ "RemoveBackup", "is", "part", "of", "the", "BackupStorage", "interface" ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/filebackupstorage/file.go#L148-L151
157,920
vitessio/vitess
go/sync2/atomic.go
Set
func (s *AtomicString) Set(str string) { s.mu.Lock() s.str = str s.mu.Unlock() }
go
func (s *AtomicString) Set(str string) { s.mu.Lock() s.str = str s.mu.Unlock() }
[ "func", "(", "s", "*", "AtomicString", ")", "Set", "(", "str", "string", ")", "{", "s", ".", "mu", ".", "Lock", "(", ")", "\n", "s", ".", "str", "=", "str", "\n", "s", ".", "mu", ".", "Unlock", "(", ")", "\n", "}" ]
// Set atomically sets str as new value.
[ "Set", "atomically", "sets", "str", "as", "new", "value", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/sync2/atomic.go#L163-L167
157,921
vitessio/vitess
go/sync2/atomic.go
Get
func (s *AtomicString) Get() string { s.mu.Lock() str := s.str s.mu.Unlock() return str }
go
func (s *AtomicString) Get() string { s.mu.Lock() str := s.str s.mu.Unlock() return str }
[ "func", "(", "s", "*", "AtomicString", ")", "Get", "(", ")", "string", "{", "s", ".", "mu", ".", "Lock", "(", ")", "\n", "str", ":=", "s", ".", "str", "\n", "s", ".", "mu", ".", "Unlock", "(", ")", "\n", "return", "str", "\n", "}" ]
// Get atomically returns the current value.
[ "Get", "atomically", "returns", "the", "current", "value", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/sync2/atomic.go#L170-L175
157,922
vitessio/vitess
go/vt/vtgate/vindexes/unicodeloosemd5.go
NewUnicodeLooseMD5
func NewUnicodeLooseMD5(name string, _ map[string]string) (Vindex, error) { return &UnicodeLooseMD5{name: name}, nil }
go
func NewUnicodeLooseMD5(name string, _ map[string]string) (Vindex, error) { return &UnicodeLooseMD5{name: name}, nil }
[ "func", "NewUnicodeLooseMD5", "(", "name", "string", ",", "_", "map", "[", "string", "]", "string", ")", "(", "Vindex", ",", "error", ")", "{", "return", "&", "UnicodeLooseMD5", "{", "name", ":", "name", "}", ",", "nil", "\n", "}" ]
// NewUnicodeLooseMD5 creates a new UnicodeLooseMD5.
[ "NewUnicodeLooseMD5", "creates", "a", "new", "UnicodeLooseMD5", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/vindexes/unicodeloosemd5.go#L46-L48
157,923
vitessio/vitess
go/vt/sqlparser/analyzer.go
StmtType
func StmtType(stmtType int) string { switch stmtType { case StmtSelect: return "SELECT" case StmtStream: return "STREAM" case StmtInsert: return "INSERT" case StmtReplace: return "REPLACE" case StmtUpdate: return "UPDATE" case StmtDelete: return "DELETE" case StmtDDL: return "DDL" case StmtBegin: return "BEGIN" case StmtCommit: return "COMMIT" case StmtRollback: return "ROLLBACK" case StmtSet: return "SET" case StmtShow: return "SHOW" case StmtUse: return "USE" case StmtOther: return "OTHER" default: return "UNKNOWN" } }
go
func StmtType(stmtType int) string { switch stmtType { case StmtSelect: return "SELECT" case StmtStream: return "STREAM" case StmtInsert: return "INSERT" case StmtReplace: return "REPLACE" case StmtUpdate: return "UPDATE" case StmtDelete: return "DELETE" case StmtDDL: return "DDL" case StmtBegin: return "BEGIN" case StmtCommit: return "COMMIT" case StmtRollback: return "ROLLBACK" case StmtSet: return "SET" case StmtShow: return "SHOW" case StmtUse: return "USE" case StmtOther: return "OTHER" default: return "UNKNOWN" } }
[ "func", "StmtType", "(", "stmtType", "int", ")", "string", "{", "switch", "stmtType", "{", "case", "StmtSelect", ":", "return", "\"", "\"", "\n", "case", "StmtStream", ":", "return", "\"", "\"", "\n", "case", "StmtInsert", ":", "return", "\"", "\"", "\n", "case", "StmtReplace", ":", "return", "\"", "\"", "\n", "case", "StmtUpdate", ":", "return", "\"", "\"", "\n", "case", "StmtDelete", ":", "return", "\"", "\"", "\n", "case", "StmtDDL", ":", "return", "\"", "\"", "\n", "case", "StmtBegin", ":", "return", "\"", "\"", "\n", "case", "StmtCommit", ":", "return", "\"", "\"", "\n", "case", "StmtRollback", ":", "return", "\"", "\"", "\n", "case", "StmtSet", ":", "return", "\"", "\"", "\n", "case", "StmtShow", ":", "return", "\"", "\"", "\n", "case", "StmtUse", ":", "return", "\"", "\"", "\n", "case", "StmtOther", ":", "return", "\"", "\"", "\n", "default", ":", "return", "\"", "\"", "\n", "}", "\n", "}" ]
// StmtType returns the statement type as a string
[ "StmtType", "returns", "the", "statement", "type", "as", "a", "string" ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/sqlparser/analyzer.go#L113-L146
157,924
vitessio/vitess
go/vt/sqlparser/analyzer.go
IsDML
func IsDML(sql string) bool { switch Preview(sql) { case StmtInsert, StmtReplace, StmtUpdate, StmtDelete: return true } return false }
go
func IsDML(sql string) bool { switch Preview(sql) { case StmtInsert, StmtReplace, StmtUpdate, StmtDelete: return true } return false }
[ "func", "IsDML", "(", "sql", "string", ")", "bool", "{", "switch", "Preview", "(", "sql", ")", "{", "case", "StmtInsert", ",", "StmtReplace", ",", "StmtUpdate", ",", "StmtDelete", ":", "return", "true", "\n", "}", "\n", "return", "false", "\n", "}" ]
// IsDML returns true if the query is an INSERT, UPDATE or DELETE statement.
[ "IsDML", "returns", "true", "if", "the", "query", "is", "an", "INSERT", "UPDATE", "or", "DELETE", "statement", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/sqlparser/analyzer.go#L149-L155
157,925
vitessio/vitess
go/vt/sqlparser/analyzer.go
GetTableName
func GetTableName(node SimpleTableExpr) TableIdent { if n, ok := node.(TableName); ok && n.Qualifier.IsEmpty() { return n.Name } // sub-select or '.' expression return NewTableIdent("") }
go
func GetTableName(node SimpleTableExpr) TableIdent { if n, ok := node.(TableName); ok && n.Qualifier.IsEmpty() { return n.Name } // sub-select or '.' expression return NewTableIdent("") }
[ "func", "GetTableName", "(", "node", "SimpleTableExpr", ")", "TableIdent", "{", "if", "n", ",", "ok", ":=", "node", ".", "(", "TableName", ")", ";", "ok", "&&", "n", ".", "Qualifier", ".", "IsEmpty", "(", ")", "{", "return", "n", ".", "Name", "\n", "}", "\n", "// sub-select or '.' expression", "return", "NewTableIdent", "(", "\"", "\"", ")", "\n", "}" ]
// GetTableName returns the table name from the SimpleTableExpr // only if it's a simple expression. Otherwise, it returns "".
[ "GetTableName", "returns", "the", "table", "name", "from", "the", "SimpleTableExpr", "only", "if", "it", "s", "a", "simple", "expression", ".", "Otherwise", "it", "returns", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/sqlparser/analyzer.go#L159-L165
157,926
vitessio/vitess
go/vt/sqlparser/analyzer.go
IsValue
func IsValue(node Expr) bool { switch v := node.(type) { case *SQLVal: switch v.Type { case StrVal, HexVal, IntVal, ValArg: return true } } return false }
go
func IsValue(node Expr) bool { switch v := node.(type) { case *SQLVal: switch v.Type { case StrVal, HexVal, IntVal, ValArg: return true } } return false }
[ "func", "IsValue", "(", "node", "Expr", ")", "bool", "{", "switch", "v", ":=", "node", ".", "(", "type", ")", "{", "case", "*", "SQLVal", ":", "switch", "v", ".", "Type", "{", "case", "StrVal", ",", "HexVal", ",", "IntVal", ",", "ValArg", ":", "return", "true", "\n", "}", "\n", "}", "\n", "return", "false", "\n", "}" ]
// IsValue returns true if the Expr is a string, integral or value arg. // NULL is not considered to be a value.
[ "IsValue", "returns", "true", "if", "the", "Expr", "is", "a", "string", "integral", "or", "value", "arg", ".", "NULL", "is", "not", "considered", "to", "be", "a", "value", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/sqlparser/analyzer.go#L175-L184
157,927
vitessio/vitess
go/vt/sqlparser/analyzer.go
IsSimpleTuple
func IsSimpleTuple(node Expr) bool { switch vals := node.(type) { case ValTuple: for _, n := range vals { if !IsValue(n) { return false } } return true case ListArg: return true } // It's a subquery return false }
go
func IsSimpleTuple(node Expr) bool { switch vals := node.(type) { case ValTuple: for _, n := range vals { if !IsValue(n) { return false } } return true case ListArg: return true } // It's a subquery return false }
[ "func", "IsSimpleTuple", "(", "node", "Expr", ")", "bool", "{", "switch", "vals", ":=", "node", ".", "(", "type", ")", "{", "case", "ValTuple", ":", "for", "_", ",", "n", ":=", "range", "vals", "{", "if", "!", "IsValue", "(", "n", ")", "{", "return", "false", "\n", "}", "\n", "}", "\n", "return", "true", "\n", "case", "ListArg", ":", "return", "true", "\n", "}", "\n", "// It's a subquery", "return", "false", "\n", "}" ]
// IsSimpleTuple returns true if the Expr is a ValTuple that // contains simple values or if it's a list arg.
[ "IsSimpleTuple", "returns", "true", "if", "the", "Expr", "is", "a", "ValTuple", "that", "contains", "simple", "values", "or", "if", "it", "s", "a", "list", "arg", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/sqlparser/analyzer.go#L197-L211
157,928
vitessio/vitess
go/vt/sqlparser/analyzer.go
ExtractSetValues
func ExtractSetValues(sql string) (keyValues map[SetKey]interface{}, scope string, err error) { stmt, err := Parse(sql) if err != nil { return nil, "", err } setStmt, ok := stmt.(*Set) if !ok { return nil, "", fmt.Errorf("ast did not yield *sqlparser.Set: %T", stmt) } result := make(map[SetKey]interface{}) for _, expr := range setStmt.Exprs { scope := ImplicitStr key := expr.Name.Lowered() switch { case strings.HasPrefix(key, "@@global."): scope = GlobalStr key = strings.TrimPrefix(key, "@@global.") case strings.HasPrefix(key, "@@session."): scope = SessionStr key = strings.TrimPrefix(key, "@@session.") case strings.HasPrefix(key, "@@"): key = strings.TrimPrefix(key, "@@") } if strings.HasPrefix(expr.Name.Lowered(), "@@") { if setStmt.Scope != "" && scope != "" { return nil, "", fmt.Errorf("unsupported in set: mixed using of variable scope") } _, out := NewStringTokenizer(key).Scan() key = string(out) } setKey := SetKey{ Key: key, Scope: scope, } switch expr := expr.Expr.(type) { case *SQLVal: switch expr.Type { case StrVal: result[setKey] = strings.ToLower(string(expr.Val)) case IntVal: num, err := strconv.ParseInt(string(expr.Val), 0, 64) if err != nil { return nil, "", err } result[setKey] = num default: return nil, "", fmt.Errorf("invalid value type: %v", String(expr)) } case BoolVal: var val int64 if expr { val = 1 } result[setKey] = val case *ColName: result[setKey] = expr.Name.String() case *NullVal: result[setKey] = nil case *Default: result[setKey] = "default" default: return nil, "", fmt.Errorf("invalid syntax: %s", String(expr)) } } return result, strings.ToLower(setStmt.Scope), nil }
go
func ExtractSetValues(sql string) (keyValues map[SetKey]interface{}, scope string, err error) { stmt, err := Parse(sql) if err != nil { return nil, "", err } setStmt, ok := stmt.(*Set) if !ok { return nil, "", fmt.Errorf("ast did not yield *sqlparser.Set: %T", stmt) } result := make(map[SetKey]interface{}) for _, expr := range setStmt.Exprs { scope := ImplicitStr key := expr.Name.Lowered() switch { case strings.HasPrefix(key, "@@global."): scope = GlobalStr key = strings.TrimPrefix(key, "@@global.") case strings.HasPrefix(key, "@@session."): scope = SessionStr key = strings.TrimPrefix(key, "@@session.") case strings.HasPrefix(key, "@@"): key = strings.TrimPrefix(key, "@@") } if strings.HasPrefix(expr.Name.Lowered(), "@@") { if setStmt.Scope != "" && scope != "" { return nil, "", fmt.Errorf("unsupported in set: mixed using of variable scope") } _, out := NewStringTokenizer(key).Scan() key = string(out) } setKey := SetKey{ Key: key, Scope: scope, } switch expr := expr.Expr.(type) { case *SQLVal: switch expr.Type { case StrVal: result[setKey] = strings.ToLower(string(expr.Val)) case IntVal: num, err := strconv.ParseInt(string(expr.Val), 0, 64) if err != nil { return nil, "", err } result[setKey] = num default: return nil, "", fmt.Errorf("invalid value type: %v", String(expr)) } case BoolVal: var val int64 if expr { val = 1 } result[setKey] = val case *ColName: result[setKey] = expr.Name.String() case *NullVal: result[setKey] = nil case *Default: result[setKey] = "default" default: return nil, "", fmt.Errorf("invalid syntax: %s", String(expr)) } } return result, strings.ToLower(setStmt.Scope), nil }
[ "func", "ExtractSetValues", "(", "sql", "string", ")", "(", "keyValues", "map", "[", "SetKey", "]", "interface", "{", "}", ",", "scope", "string", ",", "err", "error", ")", "{", "stmt", ",", "err", ":=", "Parse", "(", "sql", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "\"", "\"", ",", "err", "\n", "}", "\n", "setStmt", ",", "ok", ":=", "stmt", ".", "(", "*", "Set", ")", "\n", "if", "!", "ok", "{", "return", "nil", ",", "\"", "\"", ",", "fmt", ".", "Errorf", "(", "\"", "\"", ",", "stmt", ")", "\n", "}", "\n", "result", ":=", "make", "(", "map", "[", "SetKey", "]", "interface", "{", "}", ")", "\n", "for", "_", ",", "expr", ":=", "range", "setStmt", ".", "Exprs", "{", "scope", ":=", "ImplicitStr", "\n", "key", ":=", "expr", ".", "Name", ".", "Lowered", "(", ")", "\n", "switch", "{", "case", "strings", ".", "HasPrefix", "(", "key", ",", "\"", "\"", ")", ":", "scope", "=", "GlobalStr", "\n", "key", "=", "strings", ".", "TrimPrefix", "(", "key", ",", "\"", "\"", ")", "\n", "case", "strings", ".", "HasPrefix", "(", "key", ",", "\"", "\"", ")", ":", "scope", "=", "SessionStr", "\n", "key", "=", "strings", ".", "TrimPrefix", "(", "key", ",", "\"", "\"", ")", "\n", "case", "strings", ".", "HasPrefix", "(", "key", ",", "\"", "\"", ")", ":", "key", "=", "strings", ".", "TrimPrefix", "(", "key", ",", "\"", "\"", ")", "\n", "}", "\n\n", "if", "strings", ".", "HasPrefix", "(", "expr", ".", "Name", ".", "Lowered", "(", ")", ",", "\"", "\"", ")", "{", "if", "setStmt", ".", "Scope", "!=", "\"", "\"", "&&", "scope", "!=", "\"", "\"", "{", "return", "nil", ",", "\"", "\"", ",", "fmt", ".", "Errorf", "(", "\"", "\"", ")", "\n", "}", "\n", "_", ",", "out", ":=", "NewStringTokenizer", "(", "key", ")", ".", "Scan", "(", ")", "\n", "key", "=", "string", "(", "out", ")", "\n", "}", "\n\n", "setKey", ":=", "SetKey", "{", "Key", ":", "key", ",", "Scope", ":", "scope", ",", "}", "\n\n", "switch", "expr", ":=", "expr", ".", "Expr", ".", "(", "type", ")", "{", "case", "*", "SQLVal", ":", "switch", "expr", ".", "Type", "{", "case", "StrVal", ":", "result", "[", "setKey", "]", "=", "strings", ".", "ToLower", "(", "string", "(", "expr", ".", "Val", ")", ")", "\n", "case", "IntVal", ":", "num", ",", "err", ":=", "strconv", ".", "ParseInt", "(", "string", "(", "expr", ".", "Val", ")", ",", "0", ",", "64", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "\"", "\"", ",", "err", "\n", "}", "\n", "result", "[", "setKey", "]", "=", "num", "\n", "default", ":", "return", "nil", ",", "\"", "\"", ",", "fmt", ".", "Errorf", "(", "\"", "\"", ",", "String", "(", "expr", ")", ")", "\n", "}", "\n", "case", "BoolVal", ":", "var", "val", "int64", "\n", "if", "expr", "{", "val", "=", "1", "\n", "}", "\n", "result", "[", "setKey", "]", "=", "val", "\n", "case", "*", "ColName", ":", "result", "[", "setKey", "]", "=", "expr", ".", "Name", ".", "String", "(", ")", "\n", "case", "*", "NullVal", ":", "result", "[", "setKey", "]", "=", "nil", "\n", "case", "*", "Default", ":", "result", "[", "setKey", "]", "=", "\"", "\"", "\n", "default", ":", "return", "nil", ",", "\"", "\"", ",", "fmt", ".", "Errorf", "(", "\"", "\"", ",", "String", "(", "expr", ")", ")", "\n", "}", "\n", "}", "\n", "return", "result", ",", "strings", ".", "ToLower", "(", "setStmt", ".", "Scope", ")", ",", "nil", "\n", "}" ]
// ExtractSetValues returns a map of key-value pairs // if the query is a SET statement. Values can be bool, int64 or string. // Since set variable names are case insensitive, all keys are returned // as lower case.
[ "ExtractSetValues", "returns", "a", "map", "of", "key", "-", "value", "pairs", "if", "the", "query", "is", "a", "SET", "statement", ".", "Values", "can", "be", "bool", "int64", "or", "string", ".", "Since", "set", "variable", "names", "are", "case", "insensitive", "all", "keys", "are", "returned", "as", "lower", "case", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/sqlparser/analyzer.go#L268-L336
157,929
vitessio/vitess
go/vt/vtgate/planbuilder/route_option.go
canMergeOnFilter
func (ro *routeOption) canMergeOnFilter(pb *primitiveBuilder, rro *routeOption, filter sqlparser.Expr) bool { filter = skipParenthesis(filter) comparison, ok := filter.(*sqlparser.ComparisonExpr) if !ok { return false } if comparison.Operator != sqlparser.EqualStr { return false } left := comparison.Left right := comparison.Right lVindex := ro.FindVindex(pb, left) if lVindex == nil { left, right = right, left lVindex = ro.FindVindex(pb, left) } if lVindex == nil || !lVindex.IsUnique() { return false } rVindex := rro.FindVindex(pb, right) if rVindex == nil { return false } return rVindex == lVindex }
go
func (ro *routeOption) canMergeOnFilter(pb *primitiveBuilder, rro *routeOption, filter sqlparser.Expr) bool { filter = skipParenthesis(filter) comparison, ok := filter.(*sqlparser.ComparisonExpr) if !ok { return false } if comparison.Operator != sqlparser.EqualStr { return false } left := comparison.Left right := comparison.Right lVindex := ro.FindVindex(pb, left) if lVindex == nil { left, right = right, left lVindex = ro.FindVindex(pb, left) } if lVindex == nil || !lVindex.IsUnique() { return false } rVindex := rro.FindVindex(pb, right) if rVindex == nil { return false } return rVindex == lVindex }
[ "func", "(", "ro", "*", "routeOption", ")", "canMergeOnFilter", "(", "pb", "*", "primitiveBuilder", ",", "rro", "*", "routeOption", ",", "filter", "sqlparser", ".", "Expr", ")", "bool", "{", "filter", "=", "skipParenthesis", "(", "filter", ")", "\n", "comparison", ",", "ok", ":=", "filter", ".", "(", "*", "sqlparser", ".", "ComparisonExpr", ")", "\n", "if", "!", "ok", "{", "return", "false", "\n", "}", "\n", "if", "comparison", ".", "Operator", "!=", "sqlparser", ".", "EqualStr", "{", "return", "false", "\n", "}", "\n", "left", ":=", "comparison", ".", "Left", "\n", "right", ":=", "comparison", ".", "Right", "\n", "lVindex", ":=", "ro", ".", "FindVindex", "(", "pb", ",", "left", ")", "\n", "if", "lVindex", "==", "nil", "{", "left", ",", "right", "=", "right", ",", "left", "\n", "lVindex", "=", "ro", ".", "FindVindex", "(", "pb", ",", "left", ")", "\n", "}", "\n", "if", "lVindex", "==", "nil", "||", "!", "lVindex", ".", "IsUnique", "(", ")", "{", "return", "false", "\n", "}", "\n", "rVindex", ":=", "rro", ".", "FindVindex", "(", "pb", ",", "right", ")", "\n", "if", "rVindex", "==", "nil", "{", "return", "false", "\n", "}", "\n", "return", "rVindex", "==", "lVindex", "\n", "}" ]
// canMergeOnFilter returns true if the join constraint makes the routes // mergeable by unique vindex. The constraint has to be an equality // like a.id = b.id where both columns have the same unique vindex.
[ "canMergeOnFilter", "returns", "true", "if", "the", "join", "constraint", "makes", "the", "routes", "mergeable", "by", "unique", "vindex", ".", "The", "constraint", "has", "to", "be", "an", "equality", "like", "a", ".", "id", "=", "b", ".", "id", "where", "both", "columns", "have", "the", "same", "unique", "vindex", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/planbuilder/route_option.go#L167-L191
157,930
vitessio/vitess
go/vt/vtgate/planbuilder/route_option.go
UpdatePlan
func (ro *routeOption) UpdatePlan(pb *primitiveBuilder, filter sqlparser.Expr) { switch ro.eroute.Opcode { case engine.SelectUnsharded, engine.SelectNext, engine.SelectDBA, engine.SelectReference: return } opcode, vindex, values := ro.computePlan(pb, filter) if opcode == engine.SelectScatter { return } switch ro.eroute.Opcode { case engine.SelectEqualUnique: if opcode == engine.SelectEqualUnique && vindex.Cost() < ro.eroute.Vindex.Cost() { ro.updateRoute(opcode, vindex, values) } case engine.SelectEqual: switch opcode { case engine.SelectEqualUnique: ro.updateRoute(opcode, vindex, values) case engine.SelectEqual: if vindex.Cost() < ro.eroute.Vindex.Cost() { ro.updateRoute(opcode, vindex, values) } } case engine.SelectIN: switch opcode { case engine.SelectEqualUnique, engine.SelectEqual: ro.updateRoute(opcode, vindex, values) case engine.SelectIN: if vindex.Cost() < ro.eroute.Vindex.Cost() { ro.updateRoute(opcode, vindex, values) } } case engine.SelectScatter: switch opcode { case engine.SelectEqualUnique, engine.SelectEqual, engine.SelectIN: ro.updateRoute(opcode, vindex, values) } } }
go
func (ro *routeOption) UpdatePlan(pb *primitiveBuilder, filter sqlparser.Expr) { switch ro.eroute.Opcode { case engine.SelectUnsharded, engine.SelectNext, engine.SelectDBA, engine.SelectReference: return } opcode, vindex, values := ro.computePlan(pb, filter) if opcode == engine.SelectScatter { return } switch ro.eroute.Opcode { case engine.SelectEqualUnique: if opcode == engine.SelectEqualUnique && vindex.Cost() < ro.eroute.Vindex.Cost() { ro.updateRoute(opcode, vindex, values) } case engine.SelectEqual: switch opcode { case engine.SelectEqualUnique: ro.updateRoute(opcode, vindex, values) case engine.SelectEqual: if vindex.Cost() < ro.eroute.Vindex.Cost() { ro.updateRoute(opcode, vindex, values) } } case engine.SelectIN: switch opcode { case engine.SelectEqualUnique, engine.SelectEqual: ro.updateRoute(opcode, vindex, values) case engine.SelectIN: if vindex.Cost() < ro.eroute.Vindex.Cost() { ro.updateRoute(opcode, vindex, values) } } case engine.SelectScatter: switch opcode { case engine.SelectEqualUnique, engine.SelectEqual, engine.SelectIN: ro.updateRoute(opcode, vindex, values) } } }
[ "func", "(", "ro", "*", "routeOption", ")", "UpdatePlan", "(", "pb", "*", "primitiveBuilder", ",", "filter", "sqlparser", ".", "Expr", ")", "{", "switch", "ro", ".", "eroute", ".", "Opcode", "{", "case", "engine", ".", "SelectUnsharded", ",", "engine", ".", "SelectNext", ",", "engine", ".", "SelectDBA", ",", "engine", ".", "SelectReference", ":", "return", "\n", "}", "\n", "opcode", ",", "vindex", ",", "values", ":=", "ro", ".", "computePlan", "(", "pb", ",", "filter", ")", "\n", "if", "opcode", "==", "engine", ".", "SelectScatter", "{", "return", "\n", "}", "\n", "switch", "ro", ".", "eroute", ".", "Opcode", "{", "case", "engine", ".", "SelectEqualUnique", ":", "if", "opcode", "==", "engine", ".", "SelectEqualUnique", "&&", "vindex", ".", "Cost", "(", ")", "<", "ro", ".", "eroute", ".", "Vindex", ".", "Cost", "(", ")", "{", "ro", ".", "updateRoute", "(", "opcode", ",", "vindex", ",", "values", ")", "\n", "}", "\n", "case", "engine", ".", "SelectEqual", ":", "switch", "opcode", "{", "case", "engine", ".", "SelectEqualUnique", ":", "ro", ".", "updateRoute", "(", "opcode", ",", "vindex", ",", "values", ")", "\n", "case", "engine", ".", "SelectEqual", ":", "if", "vindex", ".", "Cost", "(", ")", "<", "ro", ".", "eroute", ".", "Vindex", ".", "Cost", "(", ")", "{", "ro", ".", "updateRoute", "(", "opcode", ",", "vindex", ",", "values", ")", "\n", "}", "\n", "}", "\n", "case", "engine", ".", "SelectIN", ":", "switch", "opcode", "{", "case", "engine", ".", "SelectEqualUnique", ",", "engine", ".", "SelectEqual", ":", "ro", ".", "updateRoute", "(", "opcode", ",", "vindex", ",", "values", ")", "\n", "case", "engine", ".", "SelectIN", ":", "if", "vindex", ".", "Cost", "(", ")", "<", "ro", ".", "eroute", ".", "Vindex", ".", "Cost", "(", ")", "{", "ro", ".", "updateRoute", "(", "opcode", ",", "vindex", ",", "values", ")", "\n", "}", "\n", "}", "\n", "case", "engine", ".", "SelectScatter", ":", "switch", "opcode", "{", "case", "engine", ".", "SelectEqualUnique", ",", "engine", ".", "SelectEqual", ",", "engine", ".", "SelectIN", ":", "ro", ".", "updateRoute", "(", "opcode", ",", "vindex", ",", "values", ")", "\n", "}", "\n", "}", "\n", "}" ]
// UpdatePlan evaluates the primitive against the specified // filter. If it's an improvement, the primitive is updated. // We assume that the filter has already been pushed into // the route.
[ "UpdatePlan", "evaluates", "the", "primitive", "against", "the", "specified", "filter", ".", "If", "it", "s", "an", "improvement", "the", "primitive", "is", "updated", ".", "We", "assume", "that", "the", "filter", "has", "already", "been", "pushed", "into", "the", "route", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/planbuilder/route_option.go#L197-L235
157,931
vitessio/vitess
go/vt/vtgate/planbuilder/route_option.go
computePlan
func (ro *routeOption) computePlan(pb *primitiveBuilder, filter sqlparser.Expr) (opcode engine.RouteOpcode, vindex vindexes.Vindex, condition sqlparser.Expr) { switch node := filter.(type) { case *sqlparser.ComparisonExpr: switch node.Operator { case sqlparser.EqualStr: return ro.computeEqualPlan(pb, node) case sqlparser.InStr: return ro.computeINPlan(pb, node) } case *sqlparser.ParenExpr: return ro.computePlan(pb, node.Expr) } return engine.SelectScatter, nil, nil }
go
func (ro *routeOption) computePlan(pb *primitiveBuilder, filter sqlparser.Expr) (opcode engine.RouteOpcode, vindex vindexes.Vindex, condition sqlparser.Expr) { switch node := filter.(type) { case *sqlparser.ComparisonExpr: switch node.Operator { case sqlparser.EqualStr: return ro.computeEqualPlan(pb, node) case sqlparser.InStr: return ro.computeINPlan(pb, node) } case *sqlparser.ParenExpr: return ro.computePlan(pb, node.Expr) } return engine.SelectScatter, nil, nil }
[ "func", "(", "ro", "*", "routeOption", ")", "computePlan", "(", "pb", "*", "primitiveBuilder", ",", "filter", "sqlparser", ".", "Expr", ")", "(", "opcode", "engine", ".", "RouteOpcode", ",", "vindex", "vindexes", ".", "Vindex", ",", "condition", "sqlparser", ".", "Expr", ")", "{", "switch", "node", ":=", "filter", ".", "(", "type", ")", "{", "case", "*", "sqlparser", ".", "ComparisonExpr", ":", "switch", "node", ".", "Operator", "{", "case", "sqlparser", ".", "EqualStr", ":", "return", "ro", ".", "computeEqualPlan", "(", "pb", ",", "node", ")", "\n", "case", "sqlparser", ".", "InStr", ":", "return", "ro", ".", "computeINPlan", "(", "pb", ",", "node", ")", "\n", "}", "\n", "case", "*", "sqlparser", ".", "ParenExpr", ":", "return", "ro", ".", "computePlan", "(", "pb", ",", "node", ".", "Expr", ")", "\n", "}", "\n", "return", "engine", ".", "SelectScatter", ",", "nil", ",", "nil", "\n", "}" ]
// computePlan computes the plan for the specified filter.
[ "computePlan", "computes", "the", "plan", "for", "the", "specified", "filter", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/planbuilder/route_option.go#L244-L257
157,932
vitessio/vitess
go/vt/vtgate/planbuilder/route_option.go
computeEqualPlan
func (ro *routeOption) computeEqualPlan(pb *primitiveBuilder, comparison *sqlparser.ComparisonExpr) (opcode engine.RouteOpcode, vindex vindexes.Vindex, condition sqlparser.Expr) { left := comparison.Left right := comparison.Right vindex = ro.FindVindex(pb, left) if vindex == nil { left, right = right, left vindex = ro.FindVindex(pb, left) if vindex == nil { return engine.SelectScatter, nil, nil } } if !ro.exprIsValue(right) { return engine.SelectScatter, nil, nil } if vindex.IsUnique() { return engine.SelectEqualUnique, vindex, right } return engine.SelectEqual, vindex, right }
go
func (ro *routeOption) computeEqualPlan(pb *primitiveBuilder, comparison *sqlparser.ComparisonExpr) (opcode engine.RouteOpcode, vindex vindexes.Vindex, condition sqlparser.Expr) { left := comparison.Left right := comparison.Right vindex = ro.FindVindex(pb, left) if vindex == nil { left, right = right, left vindex = ro.FindVindex(pb, left) if vindex == nil { return engine.SelectScatter, nil, nil } } if !ro.exprIsValue(right) { return engine.SelectScatter, nil, nil } if vindex.IsUnique() { return engine.SelectEqualUnique, vindex, right } return engine.SelectEqual, vindex, right }
[ "func", "(", "ro", "*", "routeOption", ")", "computeEqualPlan", "(", "pb", "*", "primitiveBuilder", ",", "comparison", "*", "sqlparser", ".", "ComparisonExpr", ")", "(", "opcode", "engine", ".", "RouteOpcode", ",", "vindex", "vindexes", ".", "Vindex", ",", "condition", "sqlparser", ".", "Expr", ")", "{", "left", ":=", "comparison", ".", "Left", "\n", "right", ":=", "comparison", ".", "Right", "\n", "vindex", "=", "ro", ".", "FindVindex", "(", "pb", ",", "left", ")", "\n", "if", "vindex", "==", "nil", "{", "left", ",", "right", "=", "right", ",", "left", "\n", "vindex", "=", "ro", ".", "FindVindex", "(", "pb", ",", "left", ")", "\n", "if", "vindex", "==", "nil", "{", "return", "engine", ".", "SelectScatter", ",", "nil", ",", "nil", "\n", "}", "\n", "}", "\n", "if", "!", "ro", ".", "exprIsValue", "(", "right", ")", "{", "return", "engine", ".", "SelectScatter", ",", "nil", ",", "nil", "\n", "}", "\n", "if", "vindex", ".", "IsUnique", "(", ")", "{", "return", "engine", ".", "SelectEqualUnique", ",", "vindex", ",", "right", "\n", "}", "\n", "return", "engine", ".", "SelectEqual", ",", "vindex", ",", "right", "\n", "}" ]
// computeEqualPlan computes the plan for an equality constraint.
[ "computeEqualPlan", "computes", "the", "plan", "for", "an", "equality", "constraint", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/planbuilder/route_option.go#L260-L278
157,933
vitessio/vitess
go/vt/vtgate/planbuilder/route_option.go
computeINPlan
func (ro *routeOption) computeINPlan(pb *primitiveBuilder, comparison *sqlparser.ComparisonExpr) (opcode engine.RouteOpcode, vindex vindexes.Vindex, condition sqlparser.Expr) { vindex = ro.FindVindex(pb, comparison.Left) if vindex == nil { return engine.SelectScatter, nil, nil } switch node := comparison.Right.(type) { case sqlparser.ValTuple: for _, n := range node { if !ro.exprIsValue(n) { return engine.SelectScatter, nil, nil } } return engine.SelectIN, vindex, comparison case sqlparser.ListArg: return engine.SelectIN, vindex, comparison } return engine.SelectScatter, nil, nil }
go
func (ro *routeOption) computeINPlan(pb *primitiveBuilder, comparison *sqlparser.ComparisonExpr) (opcode engine.RouteOpcode, vindex vindexes.Vindex, condition sqlparser.Expr) { vindex = ro.FindVindex(pb, comparison.Left) if vindex == nil { return engine.SelectScatter, nil, nil } switch node := comparison.Right.(type) { case sqlparser.ValTuple: for _, n := range node { if !ro.exprIsValue(n) { return engine.SelectScatter, nil, nil } } return engine.SelectIN, vindex, comparison case sqlparser.ListArg: return engine.SelectIN, vindex, comparison } return engine.SelectScatter, nil, nil }
[ "func", "(", "ro", "*", "routeOption", ")", "computeINPlan", "(", "pb", "*", "primitiveBuilder", ",", "comparison", "*", "sqlparser", ".", "ComparisonExpr", ")", "(", "opcode", "engine", ".", "RouteOpcode", ",", "vindex", "vindexes", ".", "Vindex", ",", "condition", "sqlparser", ".", "Expr", ")", "{", "vindex", "=", "ro", ".", "FindVindex", "(", "pb", ",", "comparison", ".", "Left", ")", "\n", "if", "vindex", "==", "nil", "{", "return", "engine", ".", "SelectScatter", ",", "nil", ",", "nil", "\n", "}", "\n", "switch", "node", ":=", "comparison", ".", "Right", ".", "(", "type", ")", "{", "case", "sqlparser", ".", "ValTuple", ":", "for", "_", ",", "n", ":=", "range", "node", "{", "if", "!", "ro", ".", "exprIsValue", "(", "n", ")", "{", "return", "engine", ".", "SelectScatter", ",", "nil", ",", "nil", "\n", "}", "\n", "}", "\n", "return", "engine", ".", "SelectIN", ",", "vindex", ",", "comparison", "\n", "case", "sqlparser", ".", "ListArg", ":", "return", "engine", ".", "SelectIN", ",", "vindex", ",", "comparison", "\n", "}", "\n", "return", "engine", ".", "SelectScatter", ",", "nil", ",", "nil", "\n", "}" ]
// computeINPlan computes the plan for an IN constraint.
[ "computeINPlan", "computes", "the", "plan", "for", "an", "IN", "constraint", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/planbuilder/route_option.go#L281-L298
157,934
vitessio/vitess
go/vt/vtgate/planbuilder/route_option.go
exprIsValue
func (ro *routeOption) exprIsValue(expr sqlparser.Expr) bool { if node, ok := expr.(*sqlparser.ColName); ok { return node.Metadata.(*column).Origin() != ro.rb } return sqlparser.IsValue(expr) }
go
func (ro *routeOption) exprIsValue(expr sqlparser.Expr) bool { if node, ok := expr.(*sqlparser.ColName); ok { return node.Metadata.(*column).Origin() != ro.rb } return sqlparser.IsValue(expr) }
[ "func", "(", "ro", "*", "routeOption", ")", "exprIsValue", "(", "expr", "sqlparser", ".", "Expr", ")", "bool", "{", "if", "node", ",", "ok", ":=", "expr", ".", "(", "*", "sqlparser", ".", "ColName", ")", ";", "ok", "{", "return", "node", ".", "Metadata", ".", "(", "*", "column", ")", ".", "Origin", "(", ")", "!=", "ro", ".", "rb", "\n", "}", "\n", "return", "sqlparser", ".", "IsValue", "(", "expr", ")", "\n", "}" ]
// exprIsValue returns true if the expression can be treated as a value // for the routeOption. External references are treated as value.
[ "exprIsValue", "returns", "true", "if", "the", "expression", "can", "be", "treated", "as", "a", "value", "for", "the", "routeOption", ".", "External", "references", "are", "treated", "as", "value", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/planbuilder/route_option.go#L346-L351
157,935
vitessio/vitess
go/vt/mysqlctl/mycnf_gen.go
NewMycnf
func NewMycnf(tabletUID uint32, mysqlPort int32) *Mycnf { cnf := new(Mycnf) cnf.path = MycnfFile(tabletUID) tabletDir := TabletDir(tabletUID) cnf.ServerID = tabletUID cnf.MysqlPort = mysqlPort cnf.DataDir = path.Join(tabletDir, dataDir) cnf.InnodbDataHomeDir = path.Join(tabletDir, innodbDataSubdir) cnf.InnodbLogGroupHomeDir = path.Join(tabletDir, innodbLogSubdir) cnf.SocketFile = path.Join(tabletDir, "mysql.sock") cnf.GeneralLogPath = path.Join(tabletDir, "general.log") cnf.ErrorLogPath = path.Join(tabletDir, "error.log") cnf.SlowLogPath = path.Join(tabletDir, "slow-query.log") cnf.RelayLogPath = path.Join(tabletDir, relayLogDir, fmt.Sprintf("vt-%010d-relay-bin", tabletUID)) cnf.RelayLogIndexPath = cnf.RelayLogPath + ".index" cnf.RelayLogInfoPath = path.Join(tabletDir, relayLogDir, "relay-log.info") cnf.BinLogPath = path.Join(tabletDir, binLogDir, fmt.Sprintf("vt-%010d-bin", tabletUID)) cnf.MasterInfoFile = path.Join(tabletDir, "master.info") cnf.PidFile = path.Join(tabletDir, "mysql.pid") cnf.TmpDir = path.Join(tabletDir, "tmp") cnf.SlaveLoadTmpDir = cnf.TmpDir return cnf }
go
func NewMycnf(tabletUID uint32, mysqlPort int32) *Mycnf { cnf := new(Mycnf) cnf.path = MycnfFile(tabletUID) tabletDir := TabletDir(tabletUID) cnf.ServerID = tabletUID cnf.MysqlPort = mysqlPort cnf.DataDir = path.Join(tabletDir, dataDir) cnf.InnodbDataHomeDir = path.Join(tabletDir, innodbDataSubdir) cnf.InnodbLogGroupHomeDir = path.Join(tabletDir, innodbLogSubdir) cnf.SocketFile = path.Join(tabletDir, "mysql.sock") cnf.GeneralLogPath = path.Join(tabletDir, "general.log") cnf.ErrorLogPath = path.Join(tabletDir, "error.log") cnf.SlowLogPath = path.Join(tabletDir, "slow-query.log") cnf.RelayLogPath = path.Join(tabletDir, relayLogDir, fmt.Sprintf("vt-%010d-relay-bin", tabletUID)) cnf.RelayLogIndexPath = cnf.RelayLogPath + ".index" cnf.RelayLogInfoPath = path.Join(tabletDir, relayLogDir, "relay-log.info") cnf.BinLogPath = path.Join(tabletDir, binLogDir, fmt.Sprintf("vt-%010d-bin", tabletUID)) cnf.MasterInfoFile = path.Join(tabletDir, "master.info") cnf.PidFile = path.Join(tabletDir, "mysql.pid") cnf.TmpDir = path.Join(tabletDir, "tmp") cnf.SlaveLoadTmpDir = cnf.TmpDir return cnf }
[ "func", "NewMycnf", "(", "tabletUID", "uint32", ",", "mysqlPort", "int32", ")", "*", "Mycnf", "{", "cnf", ":=", "new", "(", "Mycnf", ")", "\n", "cnf", ".", "path", "=", "MycnfFile", "(", "tabletUID", ")", "\n", "tabletDir", ":=", "TabletDir", "(", "tabletUID", ")", "\n", "cnf", ".", "ServerID", "=", "tabletUID", "\n", "cnf", ".", "MysqlPort", "=", "mysqlPort", "\n", "cnf", ".", "DataDir", "=", "path", ".", "Join", "(", "tabletDir", ",", "dataDir", ")", "\n", "cnf", ".", "InnodbDataHomeDir", "=", "path", ".", "Join", "(", "tabletDir", ",", "innodbDataSubdir", ")", "\n", "cnf", ".", "InnodbLogGroupHomeDir", "=", "path", ".", "Join", "(", "tabletDir", ",", "innodbLogSubdir", ")", "\n", "cnf", ".", "SocketFile", "=", "path", ".", "Join", "(", "tabletDir", ",", "\"", "\"", ")", "\n", "cnf", ".", "GeneralLogPath", "=", "path", ".", "Join", "(", "tabletDir", ",", "\"", "\"", ")", "\n", "cnf", ".", "ErrorLogPath", "=", "path", ".", "Join", "(", "tabletDir", ",", "\"", "\"", ")", "\n", "cnf", ".", "SlowLogPath", "=", "path", ".", "Join", "(", "tabletDir", ",", "\"", "\"", ")", "\n", "cnf", ".", "RelayLogPath", "=", "path", ".", "Join", "(", "tabletDir", ",", "relayLogDir", ",", "fmt", ".", "Sprintf", "(", "\"", "\"", ",", "tabletUID", ")", ")", "\n", "cnf", ".", "RelayLogIndexPath", "=", "cnf", ".", "RelayLogPath", "+", "\"", "\"", "\n", "cnf", ".", "RelayLogInfoPath", "=", "path", ".", "Join", "(", "tabletDir", ",", "relayLogDir", ",", "\"", "\"", ")", "\n", "cnf", ".", "BinLogPath", "=", "path", ".", "Join", "(", "tabletDir", ",", "binLogDir", ",", "fmt", ".", "Sprintf", "(", "\"", "\"", ",", "tabletUID", ")", ")", "\n", "cnf", ".", "MasterInfoFile", "=", "path", ".", "Join", "(", "tabletDir", ",", "\"", "\"", ")", "\n", "cnf", ".", "PidFile", "=", "path", ".", "Join", "(", "tabletDir", ",", "\"", "\"", ")", "\n", "cnf", ".", "TmpDir", "=", "path", ".", "Join", "(", "tabletDir", ",", "\"", "\"", ")", "\n", "cnf", ".", "SlaveLoadTmpDir", "=", "cnf", ".", "TmpDir", "\n", "return", "cnf", "\n", "}" ]
// NewMycnf fills the Mycnf structure with vt root paths and derived values. // This is used to fill out the cnfTemplate values and generate my.cnf. // uid is a unique id for a particular tablet - it must be unique within the // tabletservers deployed within a keyspace, lest there be collisions on disk. // mysqldPort needs to be unique per instance per machine.
[ "NewMycnf", "fills", "the", "Mycnf", "structure", "with", "vt", "root", "paths", "and", "derived", "values", ".", "This", "is", "used", "to", "fill", "out", "the", "cnfTemplate", "values", "and", "generate", "my", ".", "cnf", ".", "uid", "is", "a", "unique", "id", "for", "a", "particular", "tablet", "-", "it", "must", "be", "unique", "within", "the", "tabletservers", "deployed", "within", "a", "keyspace", "lest", "there", "be", "collisions", "on", "disk", ".", "mysqldPort", "needs", "to", "be", "unique", "per", "instance", "per", "machine", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/mycnf_gen.go#L66-L90
157,936
vitessio/vitess
go/vt/mysqlctl/mycnf_gen.go
TabletDir
func TabletDir(uid uint32) string { if *tabletDir != "" { return fmt.Sprintf("%s/%s", env.VtDataRoot(), *tabletDir) } return fmt.Sprintf("%s/vt_%010d", env.VtDataRoot(), uid) }
go
func TabletDir(uid uint32) string { if *tabletDir != "" { return fmt.Sprintf("%s/%s", env.VtDataRoot(), *tabletDir) } return fmt.Sprintf("%s/vt_%010d", env.VtDataRoot(), uid) }
[ "func", "TabletDir", "(", "uid", "uint32", ")", "string", "{", "if", "*", "tabletDir", "!=", "\"", "\"", "{", "return", "fmt", ".", "Sprintf", "(", "\"", "\"", ",", "env", ".", "VtDataRoot", "(", ")", ",", "*", "tabletDir", ")", "\n", "}", "\n", "return", "fmt", ".", "Sprintf", "(", "\"", "\"", ",", "env", ".", "VtDataRoot", "(", ")", ",", "uid", ")", "\n", "}" ]
// TabletDir returns the default directory for a tablet
[ "TabletDir", "returns", "the", "default", "directory", "for", "a", "tablet" ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/mycnf_gen.go#L93-L98
157,937
vitessio/vitess
go/vt/mysqlctl/mycnf_gen.go
directoryList
func (cnf *Mycnf) directoryList() []string { return []string{ cnf.DataDir, cnf.InnodbDataHomeDir, cnf.InnodbLogGroupHomeDir, cnf.TmpDir, path.Dir(cnf.RelayLogPath), path.Dir(cnf.BinLogPath), } }
go
func (cnf *Mycnf) directoryList() []string { return []string{ cnf.DataDir, cnf.InnodbDataHomeDir, cnf.InnodbLogGroupHomeDir, cnf.TmpDir, path.Dir(cnf.RelayLogPath), path.Dir(cnf.BinLogPath), } }
[ "func", "(", "cnf", "*", "Mycnf", ")", "directoryList", "(", ")", "[", "]", "string", "{", "return", "[", "]", "string", "{", "cnf", ".", "DataDir", ",", "cnf", ".", "InnodbDataHomeDir", ",", "cnf", ".", "InnodbLogGroupHomeDir", ",", "cnf", ".", "TmpDir", ",", "path", ".", "Dir", "(", "cnf", ".", "RelayLogPath", ")", ",", "path", ".", "Dir", "(", "cnf", ".", "BinLogPath", ")", ",", "}", "\n", "}" ]
// directoryList returns the list of directories to create in an empty // mysql instance.
[ "directoryList", "returns", "the", "list", "of", "directories", "to", "create", "in", "an", "empty", "mysql", "instance", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/mycnf_gen.go#L113-L122
157,938
vitessio/vitess
go/vt/mysqlctl/mycnf_gen.go
makeMycnf
func (cnf *Mycnf) makeMycnf(cnfFiles []string) (string, error) { myTemplateSource := new(bytes.Buffer) myTemplateSource.WriteString("[mysqld]\n") for _, path := range cnfFiles { data, dataErr := ioutil.ReadFile(path) if dataErr != nil { return "", dataErr } myTemplateSource.WriteString("## " + path + "\n") myTemplateSource.Write(data) } return cnf.fillMycnfTemplate(myTemplateSource.String()) }
go
func (cnf *Mycnf) makeMycnf(cnfFiles []string) (string, error) { myTemplateSource := new(bytes.Buffer) myTemplateSource.WriteString("[mysqld]\n") for _, path := range cnfFiles { data, dataErr := ioutil.ReadFile(path) if dataErr != nil { return "", dataErr } myTemplateSource.WriteString("## " + path + "\n") myTemplateSource.Write(data) } return cnf.fillMycnfTemplate(myTemplateSource.String()) }
[ "func", "(", "cnf", "*", "Mycnf", ")", "makeMycnf", "(", "cnfFiles", "[", "]", "string", ")", "(", "string", ",", "error", ")", "{", "myTemplateSource", ":=", "new", "(", "bytes", ".", "Buffer", ")", "\n", "myTemplateSource", ".", "WriteString", "(", "\"", "\\n", "\"", ")", "\n", "for", "_", ",", "path", ":=", "range", "cnfFiles", "{", "data", ",", "dataErr", ":=", "ioutil", ".", "ReadFile", "(", "path", ")", "\n", "if", "dataErr", "!=", "nil", "{", "return", "\"", "\"", ",", "dataErr", "\n", "}", "\n", "myTemplateSource", ".", "WriteString", "(", "\"", "\"", "+", "path", "+", "\"", "\\n", "\"", ")", "\n", "myTemplateSource", ".", "Write", "(", "data", ")", "\n", "}", "\n", "return", "cnf", ".", "fillMycnfTemplate", "(", "myTemplateSource", ".", "String", "(", ")", ")", "\n", "}" ]
// makeMycnf will join cnf files cnfPaths and substitute in the right values.
[ "makeMycnf", "will", "join", "cnf", "files", "cnfPaths", "and", "substitute", "in", "the", "right", "values", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/mycnf_gen.go#L125-L137
157,939
vitessio/vitess
go/vt/mysqlctl/mycnf_gen.go
fillMycnfTemplate
func (cnf *Mycnf) fillMycnfTemplate(tmplSrc string) (string, error) { myTemplate, err := template.New("").Parse(tmplSrc) if err != nil { return "", err } mycnfData := new(bytes.Buffer) err = myTemplate.Execute(mycnfData, cnf) if err != nil { return "", err } return mycnfData.String(), nil }
go
func (cnf *Mycnf) fillMycnfTemplate(tmplSrc string) (string, error) { myTemplate, err := template.New("").Parse(tmplSrc) if err != nil { return "", err } mycnfData := new(bytes.Buffer) err = myTemplate.Execute(mycnfData, cnf) if err != nil { return "", err } return mycnfData.String(), nil }
[ "func", "(", "cnf", "*", "Mycnf", ")", "fillMycnfTemplate", "(", "tmplSrc", "string", ")", "(", "string", ",", "error", ")", "{", "myTemplate", ",", "err", ":=", "template", ".", "New", "(", "\"", "\"", ")", ".", "Parse", "(", "tmplSrc", ")", "\n", "if", "err", "!=", "nil", "{", "return", "\"", "\"", ",", "err", "\n", "}", "\n", "mycnfData", ":=", "new", "(", "bytes", ".", "Buffer", ")", "\n", "err", "=", "myTemplate", ".", "Execute", "(", "mycnfData", ",", "cnf", ")", "\n", "if", "err", "!=", "nil", "{", "return", "\"", "\"", ",", "err", "\n", "}", "\n", "return", "mycnfData", ".", "String", "(", ")", ",", "nil", "\n", "}" ]
// fillMycnfTemplate will fill in the passed in template with the values // from Mycnf
[ "fillMycnfTemplate", "will", "fill", "in", "the", "passed", "in", "template", "with", "the", "values", "from", "Mycnf" ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/mycnf_gen.go#L141-L152
157,940
vitessio/vitess
go/jsonutil/json.go
MarshalNoEscape
func MarshalNoEscape(v interface{}) ([]byte, error) { buf := bytes.Buffer{} enc := json.NewEncoder(&buf) enc.SetEscapeHTML(false) err := enc.Encode(v) if err != nil { return nil, err } return buf.Bytes(), nil }
go
func MarshalNoEscape(v interface{}) ([]byte, error) { buf := bytes.Buffer{} enc := json.NewEncoder(&buf) enc.SetEscapeHTML(false) err := enc.Encode(v) if err != nil { return nil, err } return buf.Bytes(), nil }
[ "func", "MarshalNoEscape", "(", "v", "interface", "{", "}", ")", "(", "[", "]", "byte", ",", "error", ")", "{", "buf", ":=", "bytes", ".", "Buffer", "{", "}", "\n", "enc", ":=", "json", ".", "NewEncoder", "(", "&", "buf", ")", "\n", "enc", ".", "SetEscapeHTML", "(", "false", ")", "\n", "err", ":=", "enc", ".", "Encode", "(", "v", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "err", "\n", "}", "\n", "return", "buf", ".", "Bytes", "(", ")", ",", "nil", "\n", "}" ]
// MarshalNoEscape is the same functionality as json.Marshal but // with HTML escaping disabled
[ "MarshalNoEscape", "is", "the", "same", "functionality", "as", "json", ".", "Marshal", "but", "with", "HTML", "escaping", "disabled" ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/jsonutil/json.go#L27-L36
157,941
vitessio/vitess
go/jsonutil/json.go
MarshalIndentNoEscape
func MarshalIndentNoEscape(v interface{}, prefix, indent string) ([]byte, error) { buf := bytes.Buffer{} enc := json.NewEncoder(&buf) enc.SetEscapeHTML(false) enc.SetIndent(prefix, indent) err := enc.Encode(v) if err != nil { return nil, err } return buf.Bytes(), nil }
go
func MarshalIndentNoEscape(v interface{}, prefix, indent string) ([]byte, error) { buf := bytes.Buffer{} enc := json.NewEncoder(&buf) enc.SetEscapeHTML(false) enc.SetIndent(prefix, indent) err := enc.Encode(v) if err != nil { return nil, err } return buf.Bytes(), nil }
[ "func", "MarshalIndentNoEscape", "(", "v", "interface", "{", "}", ",", "prefix", ",", "indent", "string", ")", "(", "[", "]", "byte", ",", "error", ")", "{", "buf", ":=", "bytes", ".", "Buffer", "{", "}", "\n", "enc", ":=", "json", ".", "NewEncoder", "(", "&", "buf", ")", "\n", "enc", ".", "SetEscapeHTML", "(", "false", ")", "\n", "enc", ".", "SetIndent", "(", "prefix", ",", "indent", ")", "\n", "err", ":=", "enc", ".", "Encode", "(", "v", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "err", "\n", "}", "\n", "return", "buf", ".", "Bytes", "(", ")", ",", "nil", "\n", "}" ]
// MarshalIndentNoEscape is the same functionality as json.MarshalIndent but with HTML escaping // disabled
[ "MarshalIndentNoEscape", "is", "the", "same", "functionality", "as", "json", ".", "MarshalIndent", "but", "with", "HTML", "escaping", "disabled" ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/jsonutil/json.go#L40-L50
157,942
vitessio/vitess
go/bucketpool/bucketpool.go
Put
func (p *Pool) Put(b *[]byte) { sp := p.findPool(cap(*b)) if sp == nil { return } *b = (*b)[:cap(*b)] sp.pool.Put(b) }
go
func (p *Pool) Put(b *[]byte) { sp := p.findPool(cap(*b)) if sp == nil { return } *b = (*b)[:cap(*b)] sp.pool.Put(b) }
[ "func", "(", "p", "*", "Pool", ")", "Put", "(", "b", "*", "[", "]", "byte", ")", "{", "sp", ":=", "p", ".", "findPool", "(", "cap", "(", "*", "b", ")", ")", "\n", "if", "sp", "==", "nil", "{", "return", "\n", "}", "\n", "*", "b", "=", "(", "*", "b", ")", "[", ":", "cap", "(", "*", "b", ")", "]", "\n", "sp", ".", "pool", ".", "Put", "(", "b", ")", "\n", "}" ]
// Put returns pointer to slice to some bucket. Discards slice for which there is no bucket
[ "Put", "returns", "pointer", "to", "slice", "to", "some", "bucket", ".", "Discards", "slice", "for", "which", "there", "is", "no", "bucket" ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/bucketpool/bucketpool.go#L95-L102
157,943
vitessio/vitess
go/sqltypes/bind_variables.go
ValueBindVariable
func ValueBindVariable(v Value) *querypb.BindVariable { return &querypb.BindVariable{Type: v.typ, Value: v.val} }
go
func ValueBindVariable(v Value) *querypb.BindVariable { return &querypb.BindVariable{Type: v.typ, Value: v.val} }
[ "func", "ValueBindVariable", "(", "v", "Value", ")", "*", "querypb", ".", "BindVariable", "{", "return", "&", "querypb", ".", "BindVariable", "{", "Type", ":", "v", ".", "typ", ",", "Value", ":", "v", ".", "val", "}", "\n", "}" ]
// ValueBindVariable converts a Value to a bind var.
[ "ValueBindVariable", "converts", "a", "Value", "to", "a", "bind", "var", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/sqltypes/bind_variables.go#L96-L98
157,944
vitessio/vitess
go/sqltypes/bind_variables.go
ValidateBindVariable
func ValidateBindVariable(bv *querypb.BindVariable) error { if bv == nil { return errors.New("bind variable is nil") } if bv.Type == querypb.Type_TUPLE { if len(bv.Values) == 0 { return errors.New("empty tuple is not allowed") } for _, val := range bv.Values { if val.Type == querypb.Type_TUPLE { return errors.New("tuple not allowed inside another tuple") } if err := ValidateBindVariable(&querypb.BindVariable{Type: val.Type, Value: val.Value}); err != nil { return err } } return nil } // If NewValue succeeds, the value is valid. _, err := NewValue(bv.Type, bv.Value) return err }
go
func ValidateBindVariable(bv *querypb.BindVariable) error { if bv == nil { return errors.New("bind variable is nil") } if bv.Type == querypb.Type_TUPLE { if len(bv.Values) == 0 { return errors.New("empty tuple is not allowed") } for _, val := range bv.Values { if val.Type == querypb.Type_TUPLE { return errors.New("tuple not allowed inside another tuple") } if err := ValidateBindVariable(&querypb.BindVariable{Type: val.Type, Value: val.Value}); err != nil { return err } } return nil } // If NewValue succeeds, the value is valid. _, err := NewValue(bv.Type, bv.Value) return err }
[ "func", "ValidateBindVariable", "(", "bv", "*", "querypb", ".", "BindVariable", ")", "error", "{", "if", "bv", "==", "nil", "{", "return", "errors", ".", "New", "(", "\"", "\"", ")", "\n", "}", "\n\n", "if", "bv", ".", "Type", "==", "querypb", ".", "Type_TUPLE", "{", "if", "len", "(", "bv", ".", "Values", ")", "==", "0", "{", "return", "errors", ".", "New", "(", "\"", "\"", ")", "\n", "}", "\n", "for", "_", ",", "val", ":=", "range", "bv", ".", "Values", "{", "if", "val", ".", "Type", "==", "querypb", ".", "Type_TUPLE", "{", "return", "errors", ".", "New", "(", "\"", "\"", ")", "\n", "}", "\n", "if", "err", ":=", "ValidateBindVariable", "(", "&", "querypb", ".", "BindVariable", "{", "Type", ":", "val", ".", "Type", ",", "Value", ":", "val", ".", "Value", "}", ")", ";", "err", "!=", "nil", "{", "return", "err", "\n", "}", "\n", "}", "\n", "return", "nil", "\n", "}", "\n\n", "// If NewValue succeeds, the value is valid.", "_", ",", "err", ":=", "NewValue", "(", "bv", ".", "Type", ",", "bv", ".", "Value", ")", "\n", "return", "err", "\n", "}" ]
// ValidateBindVariable returns an error if the bind variable has inconsistent // fields.
[ "ValidateBindVariable", "returns", "an", "error", "if", "the", "bind", "variable", "has", "inconsistent", "fields", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/sqltypes/bind_variables.go#L233-L256
157,945
vitessio/vitess
go/sqltypes/bind_variables.go
BindVariableToValue
func BindVariableToValue(bv *querypb.BindVariable) (Value, error) { if bv.Type == querypb.Type_TUPLE { return NULL, errors.New("cannot convert a TUPLE bind var into a value") } return MakeTrusted(bv.Type, bv.Value), nil }
go
func BindVariableToValue(bv *querypb.BindVariable) (Value, error) { if bv.Type == querypb.Type_TUPLE { return NULL, errors.New("cannot convert a TUPLE bind var into a value") } return MakeTrusted(bv.Type, bv.Value), nil }
[ "func", "BindVariableToValue", "(", "bv", "*", "querypb", ".", "BindVariable", ")", "(", "Value", ",", "error", ")", "{", "if", "bv", ".", "Type", "==", "querypb", ".", "Type_TUPLE", "{", "return", "NULL", ",", "errors", ".", "New", "(", "\"", "\"", ")", "\n", "}", "\n", "return", "MakeTrusted", "(", "bv", ".", "Type", ",", "bv", ".", "Value", ")", ",", "nil", "\n", "}" ]
// BindVariableToValue converts a bind var into a Value.
[ "BindVariableToValue", "converts", "a", "bind", "var", "into", "a", "Value", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/sqltypes/bind_variables.go#L259-L264
157,946
vitessio/vitess
go/sqltypes/bind_variables.go
BindVariablesEqual
func BindVariablesEqual(x, y map[string]*querypb.BindVariable) bool { return proto.Equal(&querypb.BoundQuery{BindVariables: x}, &querypb.BoundQuery{BindVariables: y}) }
go
func BindVariablesEqual(x, y map[string]*querypb.BindVariable) bool { return proto.Equal(&querypb.BoundQuery{BindVariables: x}, &querypb.BoundQuery{BindVariables: y}) }
[ "func", "BindVariablesEqual", "(", "x", ",", "y", "map", "[", "string", "]", "*", "querypb", ".", "BindVariable", ")", "bool", "{", "return", "proto", ".", "Equal", "(", "&", "querypb", ".", "BoundQuery", "{", "BindVariables", ":", "x", "}", ",", "&", "querypb", ".", "BoundQuery", "{", "BindVariables", ":", "y", "}", ")", "\n", "}" ]
// BindVariablesEqual compares two maps of bind variables. // For protobuf messages we have to use "proto.Equal".
[ "BindVariablesEqual", "compares", "two", "maps", "of", "bind", "variables", ".", "For", "protobuf", "messages", "we", "have", "to", "use", "proto", ".", "Equal", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/sqltypes/bind_variables.go#L268-L270
157,947
vitessio/vitess
go/sqltypes/bind_variables.go
CopyBindVariables
func CopyBindVariables(bindVariables map[string]*querypb.BindVariable) map[string]*querypb.BindVariable { result := make(map[string]*querypb.BindVariable, len(bindVariables)) for key, value := range bindVariables { result[key] = value } return result }
go
func CopyBindVariables(bindVariables map[string]*querypb.BindVariable) map[string]*querypb.BindVariable { result := make(map[string]*querypb.BindVariable, len(bindVariables)) for key, value := range bindVariables { result[key] = value } return result }
[ "func", "CopyBindVariables", "(", "bindVariables", "map", "[", "string", "]", "*", "querypb", ".", "BindVariable", ")", "map", "[", "string", "]", "*", "querypb", ".", "BindVariable", "{", "result", ":=", "make", "(", "map", "[", "string", "]", "*", "querypb", ".", "BindVariable", ",", "len", "(", "bindVariables", ")", ")", "\n", "for", "key", ",", "value", ":=", "range", "bindVariables", "{", "result", "[", "key", "]", "=", "value", "\n", "}", "\n", "return", "result", "\n", "}" ]
// CopyBindVariables returns a shallow-copy of the given bindVariables map.
[ "CopyBindVariables", "returns", "a", "shallow", "-", "copy", "of", "the", "given", "bindVariables", "map", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/sqltypes/bind_variables.go#L273-L279
157,948
vitessio/vitess
go/sqltypes/bind_variables.go
FormatBindVariables
func FormatBindVariables(bindVariables map[string]*querypb.BindVariable, full, asJSON bool) string { var out map[string]*querypb.BindVariable if full { out = bindVariables } else { // NOTE(szopa): I am getting rid of potentially large bind // variables. out = make(map[string]*querypb.BindVariable) for k, v := range bindVariables { if IsIntegral(v.Type) || IsFloat(v.Type) { out[k] = v } else if v.Type == querypb.Type_TUPLE { out[k] = StringBindVariable(fmt.Sprintf("%v items", len(v.Values))) } else { out[k] = StringBindVariable(fmt.Sprintf("%v bytes", len(v.Value))) } } } if asJSON { var buf bytes.Buffer buf.WriteString("{") first := true for k, v := range out { if !first { buf.WriteString(", ") } else { first = false } if IsIntegral(v.Type) || IsFloat(v.Type) { fmt.Fprintf(&buf, "%q: {\"type\": %q, \"value\": %v}", k, v.Type, string(v.Value)) } else { fmt.Fprintf(&buf, "%q: {\"type\": %q, \"value\": %q}", k, v.Type, string(v.Value)) } } buf.WriteString("}") return buf.String() } return fmt.Sprintf("%v", out) }
go
func FormatBindVariables(bindVariables map[string]*querypb.BindVariable, full, asJSON bool) string { var out map[string]*querypb.BindVariable if full { out = bindVariables } else { // NOTE(szopa): I am getting rid of potentially large bind // variables. out = make(map[string]*querypb.BindVariable) for k, v := range bindVariables { if IsIntegral(v.Type) || IsFloat(v.Type) { out[k] = v } else if v.Type == querypb.Type_TUPLE { out[k] = StringBindVariable(fmt.Sprintf("%v items", len(v.Values))) } else { out[k] = StringBindVariable(fmt.Sprintf("%v bytes", len(v.Value))) } } } if asJSON { var buf bytes.Buffer buf.WriteString("{") first := true for k, v := range out { if !first { buf.WriteString(", ") } else { first = false } if IsIntegral(v.Type) || IsFloat(v.Type) { fmt.Fprintf(&buf, "%q: {\"type\": %q, \"value\": %v}", k, v.Type, string(v.Value)) } else { fmt.Fprintf(&buf, "%q: {\"type\": %q, \"value\": %q}", k, v.Type, string(v.Value)) } } buf.WriteString("}") return buf.String() } return fmt.Sprintf("%v", out) }
[ "func", "FormatBindVariables", "(", "bindVariables", "map", "[", "string", "]", "*", "querypb", ".", "BindVariable", ",", "full", ",", "asJSON", "bool", ")", "string", "{", "var", "out", "map", "[", "string", "]", "*", "querypb", ".", "BindVariable", "\n", "if", "full", "{", "out", "=", "bindVariables", "\n", "}", "else", "{", "// NOTE(szopa): I am getting rid of potentially large bind", "// variables.", "out", "=", "make", "(", "map", "[", "string", "]", "*", "querypb", ".", "BindVariable", ")", "\n", "for", "k", ",", "v", ":=", "range", "bindVariables", "{", "if", "IsIntegral", "(", "v", ".", "Type", ")", "||", "IsFloat", "(", "v", ".", "Type", ")", "{", "out", "[", "k", "]", "=", "v", "\n", "}", "else", "if", "v", ".", "Type", "==", "querypb", ".", "Type_TUPLE", "{", "out", "[", "k", "]", "=", "StringBindVariable", "(", "fmt", ".", "Sprintf", "(", "\"", "\"", ",", "len", "(", "v", ".", "Values", ")", ")", ")", "\n", "}", "else", "{", "out", "[", "k", "]", "=", "StringBindVariable", "(", "fmt", ".", "Sprintf", "(", "\"", "\"", ",", "len", "(", "v", ".", "Value", ")", ")", ")", "\n", "}", "\n", "}", "\n", "}", "\n\n", "if", "asJSON", "{", "var", "buf", "bytes", ".", "Buffer", "\n", "buf", ".", "WriteString", "(", "\"", "\"", ")", "\n", "first", ":=", "true", "\n", "for", "k", ",", "v", ":=", "range", "out", "{", "if", "!", "first", "{", "buf", ".", "WriteString", "(", "\"", "\"", ")", "\n", "}", "else", "{", "first", "=", "false", "\n", "}", "\n", "if", "IsIntegral", "(", "v", ".", "Type", ")", "||", "IsFloat", "(", "v", ".", "Type", ")", "{", "fmt", ".", "Fprintf", "(", "&", "buf", ",", "\"", "\\\"", "\\\"", "\\\"", "\\\"", "\"", ",", "k", ",", "v", ".", "Type", ",", "string", "(", "v", ".", "Value", ")", ")", "\n", "}", "else", "{", "fmt", ".", "Fprintf", "(", "&", "buf", ",", "\"", "\\\"", "\\\"", "\\\"", "\\\"", "\"", ",", "k", ",", "v", ".", "Type", ",", "string", "(", "v", ".", "Value", ")", ")", "\n", "}", "\n", "}", "\n", "buf", ".", "WriteString", "(", "\"", "\"", ")", "\n", "return", "buf", ".", "String", "(", ")", "\n", "}", "\n\n", "return", "fmt", ".", "Sprintf", "(", "\"", "\"", ",", "out", ")", "\n", "}" ]
// FormatBindVariables returns a string representation of the // bind variables. // // If full is false, then large string or tuple values are truncated // to only print the lengths. // // If asJson is true, then the resulting string is a valid JSON // representation, otherwise it is the golang printed map representation.
[ "FormatBindVariables", "returns", "a", "string", "representation", "of", "the", "bind", "variables", ".", "If", "full", "is", "false", "then", "large", "string", "or", "tuple", "values", "are", "truncated", "to", "only", "print", "the", "lengths", ".", "If", "asJson", "is", "true", "then", "the", "resulting", "string", "is", "a", "valid", "JSON", "representation", "otherwise", "it", "is", "the", "golang", "printed", "map", "representation", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/sqltypes/bind_variables.go#L289-L329
157,949
vitessio/vitess
go/stats/kebab_case_converter.go
toKebabCase
func toKebabCase(name string) (hyphenated string) { memoizer.Lock() defer memoizer.Unlock() if hyphenated = memoizer.memo[name]; hyphenated != "" { return hyphenated } hyphenated = name for _, converter := range kebabConverters { hyphenated = converter.re.ReplaceAllString(hyphenated, converter.repl) } hyphenated = strings.ToLower(hyphenated) memoizer.memo[name] = hyphenated return }
go
func toKebabCase(name string) (hyphenated string) { memoizer.Lock() defer memoizer.Unlock() if hyphenated = memoizer.memo[name]; hyphenated != "" { return hyphenated } hyphenated = name for _, converter := range kebabConverters { hyphenated = converter.re.ReplaceAllString(hyphenated, converter.repl) } hyphenated = strings.ToLower(hyphenated) memoizer.memo[name] = hyphenated return }
[ "func", "toKebabCase", "(", "name", "string", ")", "(", "hyphenated", "string", ")", "{", "memoizer", ".", "Lock", "(", ")", "\n", "defer", "memoizer", ".", "Unlock", "(", ")", "\n", "if", "hyphenated", "=", "memoizer", ".", "memo", "[", "name", "]", ";", "hyphenated", "!=", "\"", "\"", "{", "return", "hyphenated", "\n", "}", "\n", "hyphenated", "=", "name", "\n", "for", "_", ",", "converter", ":=", "range", "kebabConverters", "{", "hyphenated", "=", "converter", ".", "re", ".", "ReplaceAllString", "(", "hyphenated", ",", "converter", ".", "repl", ")", "\n", "}", "\n", "hyphenated", "=", "strings", ".", "ToLower", "(", "hyphenated", ")", "\n", "memoizer", ".", "memo", "[", "name", "]", "=", "hyphenated", "\n", "return", "\n", "}" ]
// toKebabCase produces a monitoring compliant name from the // original. It converts CamelCase to camel-case, // and CAMEL_CASE to camel-case. For numbers, it // converts 0.5 to v0_5.
[ "toKebabCase", "produces", "a", "monitoring", "compliant", "name", "from", "the", "original", ".", "It", "converts", "CamelCase", "to", "camel", "-", "case", "and", "CAMEL_CASE", "to", "camel", "-", "case", ".", "For", "numbers", "it", "converts", "0", ".", "5", "to", "v0_5", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/stats/kebab_case_converter.go#L29-L42
157,950
vitessio/vitess
go/vt/vttablet/tabletserver/splitquery/full_scan_algorithm.go
NewFullScanAlgorithm
func NewFullScanAlgorithm( splitParams *SplitParams, sqlExecuter SQLExecuter) (*FullScanAlgorithm, error) { if !splitParams.areSplitColumnsPrimaryKey() { return nil, vterrors.Errorf(vtrpcpb.Code_INVALID_ARGUMENT, "Using the FULL_SCAN algorithm requires split columns to be"+ " the primary key. Got: %+v", splitParams) } result := &FullScanAlgorithm{ splitParams: splitParams, sqlExecuter: sqlExecuter, prevBindVariableNames: buildPrevBindVariableNames(splitParams.splitColumns), } result.initialQuery = buildInitialQuery(splitParams) result.noninitialQuery = buildNoninitialQuery(splitParams, result.prevBindVariableNames) return result, nil }
go
func NewFullScanAlgorithm( splitParams *SplitParams, sqlExecuter SQLExecuter) (*FullScanAlgorithm, error) { if !splitParams.areSplitColumnsPrimaryKey() { return nil, vterrors.Errorf(vtrpcpb.Code_INVALID_ARGUMENT, "Using the FULL_SCAN algorithm requires split columns to be"+ " the primary key. Got: %+v", splitParams) } result := &FullScanAlgorithm{ splitParams: splitParams, sqlExecuter: sqlExecuter, prevBindVariableNames: buildPrevBindVariableNames(splitParams.splitColumns), } result.initialQuery = buildInitialQuery(splitParams) result.noninitialQuery = buildNoninitialQuery(splitParams, result.prevBindVariableNames) return result, nil }
[ "func", "NewFullScanAlgorithm", "(", "splitParams", "*", "SplitParams", ",", "sqlExecuter", "SQLExecuter", ")", "(", "*", "FullScanAlgorithm", ",", "error", ")", "{", "if", "!", "splitParams", ".", "areSplitColumnsPrimaryKey", "(", ")", "{", "return", "nil", ",", "vterrors", ".", "Errorf", "(", "vtrpcpb", ".", "Code_INVALID_ARGUMENT", ",", "\"", "\"", "+", "\"", "\"", ",", "splitParams", ")", "\n", "}", "\n", "result", ":=", "&", "FullScanAlgorithm", "{", "splitParams", ":", "splitParams", ",", "sqlExecuter", ":", "sqlExecuter", ",", "prevBindVariableNames", ":", "buildPrevBindVariableNames", "(", "splitParams", ".", "splitColumns", ")", ",", "}", "\n", "result", ".", "initialQuery", "=", "buildInitialQuery", "(", "splitParams", ")", "\n", "result", ".", "noninitialQuery", "=", "buildNoninitialQuery", "(", "splitParams", ",", "result", ".", "prevBindVariableNames", ")", "\n", "return", "result", ",", "nil", "\n", "}" ]
// NewFullScanAlgorithm constructs a new FullScanAlgorithm.
[ "NewFullScanAlgorithm", "constructs", "a", "new", "FullScanAlgorithm", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/tabletserver/splitquery/full_scan_algorithm.go#L67-L83
157,951
vitessio/vitess
go/vt/topo/zk2topo/server.go
hasObservers
func hasObservers(serverAddr string) (string, string, bool) { if i := strings.Index(serverAddr, "|"); i != -1 { return serverAddr[:i], serverAddr[i+1:], true } return "", "", false }
go
func hasObservers(serverAddr string) (string, string, bool) { if i := strings.Index(serverAddr, "|"); i != -1 { return serverAddr[:i], serverAddr[i+1:], true } return "", "", false }
[ "func", "hasObservers", "(", "serverAddr", "string", ")", "(", "string", ",", "string", ",", "bool", ")", "{", "if", "i", ":=", "strings", ".", "Index", "(", "serverAddr", ",", "\"", "\"", ")", ";", "i", "!=", "-", "1", "{", "return", "serverAddr", "[", ":", "i", "]", ",", "serverAddr", "[", "i", "+", "1", ":", "]", ",", "true", "\n", "}", "\n", "return", "\"", "\"", ",", "\"", "\"", ",", "false", "\n", "}" ]
// hasObservers checks the provided address to see if it has observers. // If so, it returns the voting server address, the observer address, and true. // Otherwise, it returns false.
[ "hasObservers", "checks", "the", "provided", "address", "to", "see", "if", "it", "has", "observers", ".", "If", "so", "it", "returns", "the", "voting", "server", "address", "the", "observer", "address", "and", "true", ".", "Otherwise", "it", "returns", "false", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topo/zk2topo/server.go#L37-L42
157,952
vitessio/vitess
go/vt/topo/zk2topo/server.go
NewServer
func NewServer(serverAddr, root string) *Server { return &Server{ root: root, conn: Connect(serverAddr), } }
go
func NewServer(serverAddr, root string) *Server { return &Server{ root: root, conn: Connect(serverAddr), } }
[ "func", "NewServer", "(", "serverAddr", ",", "root", "string", ")", "*", "Server", "{", "return", "&", "Server", "{", "root", ":", "root", ",", "conn", ":", "Connect", "(", "serverAddr", ")", ",", "}", "\n", "}" ]
// NewServer returns a topo.Conn connecting to real Zookeeper processes.
[ "NewServer", "returns", "a", "topo", ".", "Conn", "connecting", "to", "real", "Zookeeper", "processes", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topo/zk2topo/server.go#L86-L91
157,953
vitessio/vitess
go/vt/vtgate/queryz.go
ShardQueriesPQ
func (qzs *queryzRow) ShardQueriesPQ() string { val := float64(qzs.ShardQueries) / float64(qzs.Count) return fmt.Sprintf("%.6f", val) }
go
func (qzs *queryzRow) ShardQueriesPQ() string { val := float64(qzs.ShardQueries) / float64(qzs.Count) return fmt.Sprintf("%.6f", val) }
[ "func", "(", "qzs", "*", "queryzRow", ")", "ShardQueriesPQ", "(", ")", "string", "{", "val", ":=", "float64", "(", "qzs", ".", "ShardQueries", ")", "/", "float64", "(", "qzs", ".", "Count", ")", "\n", "return", "fmt", ".", "Sprintf", "(", "\"", "\"", ",", "val", ")", "\n", "}" ]
// ShardQueriesPQ returns the shard query count per query as a string.
[ "ShardQueriesPQ", "returns", "the", "shard", "query", "count", "per", "query", "as", "a", "string", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/queryz.go#L93-L96
157,954
vitessio/vitess
go/vt/vttablet/sandboxconn/sandboxconn.go
NewSandboxConn
func NewSandboxConn(t *topodatapb.Tablet) *SandboxConn { return &SandboxConn{ tablet: t, MustFailCodes: make(map[vtrpcpb.Code]int), } }
go
func NewSandboxConn(t *topodatapb.Tablet) *SandboxConn { return &SandboxConn{ tablet: t, MustFailCodes: make(map[vtrpcpb.Code]int), } }
[ "func", "NewSandboxConn", "(", "t", "*", "topodatapb", ".", "Tablet", ")", "*", "SandboxConn", "{", "return", "&", "SandboxConn", "{", "tablet", ":", "t", ",", "MustFailCodes", ":", "make", "(", "map", "[", "vtrpcpb", ".", "Code", "]", "int", ")", ",", "}", "\n", "}" ]
// NewSandboxConn returns a new SandboxConn targeted to the provided tablet.
[ "NewSandboxConn", "returns", "a", "new", "SandboxConn", "targeted", "to", "the", "provided", "tablet", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/sandboxconn/sandboxconn.go#L96-L101
157,955
vitessio/vitess
go/vt/vttablet/sandboxconn/sandboxconn.go
Commit
func (sbc *SandboxConn) Commit(ctx context.Context, target *querypb.Target, transactionID int64) error { sbc.CommitCount.Add(1) return sbc.getError() }
go
func (sbc *SandboxConn) Commit(ctx context.Context, target *querypb.Target, transactionID int64) error { sbc.CommitCount.Add(1) return sbc.getError() }
[ "func", "(", "sbc", "*", "SandboxConn", ")", "Commit", "(", "ctx", "context", ".", "Context", ",", "target", "*", "querypb", ".", "Target", ",", "transactionID", "int64", ")", "error", "{", "sbc", ".", "CommitCount", ".", "Add", "(", "1", ")", "\n", "return", "sbc", ".", "getError", "(", ")", "\n", "}" ]
// Commit is part of the QueryService interface.
[ "Commit", "is", "part", "of", "the", "QueryService", "interface", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/sandboxconn/sandboxconn.go#L185-L188
157,956
vitessio/vitess
go/vt/vttablet/sandboxconn/sandboxconn.go
CommitPrepared
func (sbc *SandboxConn) CommitPrepared(ctx context.Context, target *querypb.Target, dtid string) (err error) { sbc.CommitPreparedCount.Add(1) if sbc.MustFailCommitPrepared > 0 { sbc.MustFailCommitPrepared-- return vterrors.New(vtrpcpb.Code_FAILED_PRECONDITION, "error: err") } return sbc.getError() }
go
func (sbc *SandboxConn) CommitPrepared(ctx context.Context, target *querypb.Target, dtid string) (err error) { sbc.CommitPreparedCount.Add(1) if sbc.MustFailCommitPrepared > 0 { sbc.MustFailCommitPrepared-- return vterrors.New(vtrpcpb.Code_FAILED_PRECONDITION, "error: err") } return sbc.getError() }
[ "func", "(", "sbc", "*", "SandboxConn", ")", "CommitPrepared", "(", "ctx", "context", ".", "Context", ",", "target", "*", "querypb", ".", "Target", ",", "dtid", "string", ")", "(", "err", "error", ")", "{", "sbc", ".", "CommitPreparedCount", ".", "Add", "(", "1", ")", "\n", "if", "sbc", ".", "MustFailCommitPrepared", ">", "0", "{", "sbc", ".", "MustFailCommitPrepared", "--", "\n", "return", "vterrors", ".", "New", "(", "vtrpcpb", ".", "Code_FAILED_PRECONDITION", ",", "\"", "\"", ")", "\n", "}", "\n", "return", "sbc", ".", "getError", "(", ")", "\n", "}" ]
// CommitPrepared commits the prepared transaction.
[ "CommitPrepared", "commits", "the", "prepared", "transaction", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/sandboxconn/sandboxconn.go#L207-L214
157,957
vitessio/vitess
go/vt/vttablet/sandboxconn/sandboxconn.go
RollbackPrepared
func (sbc *SandboxConn) RollbackPrepared(ctx context.Context, target *querypb.Target, dtid string, originalID int64) (err error) { sbc.RollbackPreparedCount.Add(1) if sbc.MustFailRollbackPrepared > 0 { sbc.MustFailRollbackPrepared-- return vterrors.New(vtrpcpb.Code_FAILED_PRECONDITION, "error: err") } return sbc.getError() }
go
func (sbc *SandboxConn) RollbackPrepared(ctx context.Context, target *querypb.Target, dtid string, originalID int64) (err error) { sbc.RollbackPreparedCount.Add(1) if sbc.MustFailRollbackPrepared > 0 { sbc.MustFailRollbackPrepared-- return vterrors.New(vtrpcpb.Code_FAILED_PRECONDITION, "error: err") } return sbc.getError() }
[ "func", "(", "sbc", "*", "SandboxConn", ")", "RollbackPrepared", "(", "ctx", "context", ".", "Context", ",", "target", "*", "querypb", ".", "Target", ",", "dtid", "string", ",", "originalID", "int64", ")", "(", "err", "error", ")", "{", "sbc", ".", "RollbackPreparedCount", ".", "Add", "(", "1", ")", "\n", "if", "sbc", ".", "MustFailRollbackPrepared", ">", "0", "{", "sbc", ".", "MustFailRollbackPrepared", "--", "\n", "return", "vterrors", ".", "New", "(", "vtrpcpb", ".", "Code_FAILED_PRECONDITION", ",", "\"", "\"", ")", "\n", "}", "\n", "return", "sbc", ".", "getError", "(", ")", "\n", "}" ]
// RollbackPrepared rolls back the prepared transaction.
[ "RollbackPrepared", "rolls", "back", "the", "prepared", "transaction", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/sandboxconn/sandboxconn.go#L217-L224
157,958
vitessio/vitess
go/vt/vttablet/sandboxconn/sandboxconn.go
CreateTransaction
func (sbc *SandboxConn) CreateTransaction(ctx context.Context, target *querypb.Target, dtid string, participants []*querypb.Target) (err error) { sbc.CreateTransactionCount.Add(1) if sbc.MustFailCreateTransaction > 0 { sbc.MustFailCreateTransaction-- return vterrors.New(vtrpcpb.Code_FAILED_PRECONDITION, "error: err") } return sbc.getError() }
go
func (sbc *SandboxConn) CreateTransaction(ctx context.Context, target *querypb.Target, dtid string, participants []*querypb.Target) (err error) { sbc.CreateTransactionCount.Add(1) if sbc.MustFailCreateTransaction > 0 { sbc.MustFailCreateTransaction-- return vterrors.New(vtrpcpb.Code_FAILED_PRECONDITION, "error: err") } return sbc.getError() }
[ "func", "(", "sbc", "*", "SandboxConn", ")", "CreateTransaction", "(", "ctx", "context", ".", "Context", ",", "target", "*", "querypb", ".", "Target", ",", "dtid", "string", ",", "participants", "[", "]", "*", "querypb", ".", "Target", ")", "(", "err", "error", ")", "{", "sbc", ".", "CreateTransactionCount", ".", "Add", "(", "1", ")", "\n", "if", "sbc", ".", "MustFailCreateTransaction", ">", "0", "{", "sbc", ".", "MustFailCreateTransaction", "--", "\n", "return", "vterrors", ".", "New", "(", "vtrpcpb", ".", "Code_FAILED_PRECONDITION", ",", "\"", "\"", ")", "\n", "}", "\n", "return", "sbc", ".", "getError", "(", ")", "\n", "}" ]
// CreateTransaction creates the metadata for a 2PC transaction.
[ "CreateTransaction", "creates", "the", "metadata", "for", "a", "2PC", "transaction", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/sandboxconn/sandboxconn.go#L227-L234
157,959
vitessio/vitess
go/vt/vttablet/sandboxconn/sandboxconn.go
SetRollback
func (sbc *SandboxConn) SetRollback(ctx context.Context, target *querypb.Target, dtid string, transactionID int64) (err error) { sbc.SetRollbackCount.Add(1) if sbc.MustFailSetRollback > 0 { sbc.MustFailSetRollback-- return vterrors.New(vtrpcpb.Code_FAILED_PRECONDITION, "error: err") } return sbc.getError() }
go
func (sbc *SandboxConn) SetRollback(ctx context.Context, target *querypb.Target, dtid string, transactionID int64) (err error) { sbc.SetRollbackCount.Add(1) if sbc.MustFailSetRollback > 0 { sbc.MustFailSetRollback-- return vterrors.New(vtrpcpb.Code_FAILED_PRECONDITION, "error: err") } return sbc.getError() }
[ "func", "(", "sbc", "*", "SandboxConn", ")", "SetRollback", "(", "ctx", "context", ".", "Context", ",", "target", "*", "querypb", ".", "Target", ",", "dtid", "string", ",", "transactionID", "int64", ")", "(", "err", "error", ")", "{", "sbc", ".", "SetRollbackCount", ".", "Add", "(", "1", ")", "\n", "if", "sbc", ".", "MustFailSetRollback", ">", "0", "{", "sbc", ".", "MustFailSetRollback", "--", "\n", "return", "vterrors", ".", "New", "(", "vtrpcpb", ".", "Code_FAILED_PRECONDITION", ",", "\"", "\"", ")", "\n", "}", "\n", "return", "sbc", ".", "getError", "(", ")", "\n", "}" ]
// SetRollback transitions the 2pc transaction to the Rollback state. // If a transaction id is provided, that transaction is also rolled back.
[ "SetRollback", "transitions", "the", "2pc", "transaction", "to", "the", "Rollback", "state", ".", "If", "a", "transaction", "id", "is", "provided", "that", "transaction", "is", "also", "rolled", "back", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/sandboxconn/sandboxconn.go#L249-L256
157,960
vitessio/vitess
go/vt/vttablet/sandboxconn/sandboxconn.go
BeginExecute
func (sbc *SandboxConn) BeginExecute(ctx context.Context, target *querypb.Target, query string, bindVars map[string]*querypb.BindVariable, options *querypb.ExecuteOptions) (*sqltypes.Result, int64, error) { transactionID, err := sbc.Begin(ctx, target, options) if err != nil { return nil, 0, err } result, err := sbc.Execute(ctx, target, query, bindVars, transactionID, options) return result, transactionID, err }
go
func (sbc *SandboxConn) BeginExecute(ctx context.Context, target *querypb.Target, query string, bindVars map[string]*querypb.BindVariable, options *querypb.ExecuteOptions) (*sqltypes.Result, int64, error) { transactionID, err := sbc.Begin(ctx, target, options) if err != nil { return nil, 0, err } result, err := sbc.Execute(ctx, target, query, bindVars, transactionID, options) return result, transactionID, err }
[ "func", "(", "sbc", "*", "SandboxConn", ")", "BeginExecute", "(", "ctx", "context", ".", "Context", ",", "target", "*", "querypb", ".", "Target", ",", "query", "string", ",", "bindVars", "map", "[", "string", "]", "*", "querypb", ".", "BindVariable", ",", "options", "*", "querypb", ".", "ExecuteOptions", ")", "(", "*", "sqltypes", ".", "Result", ",", "int64", ",", "error", ")", "{", "transactionID", ",", "err", ":=", "sbc", ".", "Begin", "(", "ctx", ",", "target", ",", "options", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "0", ",", "err", "\n", "}", "\n", "result", ",", "err", ":=", "sbc", ".", "Execute", "(", "ctx", ",", "target", ",", "query", ",", "bindVars", ",", "transactionID", ",", "options", ")", "\n", "return", "result", ",", "transactionID", ",", "err", "\n", "}" ]
// BeginExecute is part of the QueryService interface.
[ "BeginExecute", "is", "part", "of", "the", "QueryService", "interface", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/sandboxconn/sandboxconn.go#L284-L291
157,961
vitessio/vitess
go/vt/vttablet/sandboxconn/sandboxconn.go
MessageStream
func (sbc *SandboxConn) MessageStream(ctx context.Context, target *querypb.Target, name string, callback func(*sqltypes.Result) error) (err error) { if err := sbc.getError(); err != nil { return err } r := sbc.getNextResult() if r == nil { return nil } callback(r) return nil }
go
func (sbc *SandboxConn) MessageStream(ctx context.Context, target *querypb.Target, name string, callback func(*sqltypes.Result) error) (err error) { if err := sbc.getError(); err != nil { return err } r := sbc.getNextResult() if r == nil { return nil } callback(r) return nil }
[ "func", "(", "sbc", "*", "SandboxConn", ")", "MessageStream", "(", "ctx", "context", ".", "Context", ",", "target", "*", "querypb", ".", "Target", ",", "name", "string", ",", "callback", "func", "(", "*", "sqltypes", ".", "Result", ")", "error", ")", "(", "err", "error", ")", "{", "if", "err", ":=", "sbc", ".", "getError", "(", ")", ";", "err", "!=", "nil", "{", "return", "err", "\n", "}", "\n", "r", ":=", "sbc", ".", "getNextResult", "(", ")", "\n", "if", "r", "==", "nil", "{", "return", "nil", "\n", "}", "\n", "callback", "(", "r", ")", "\n", "return", "nil", "\n", "}" ]
// MessageStream is part of the QueryService interface.
[ "MessageStream", "is", "part", "of", "the", "QueryService", "interface", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/sandboxconn/sandboxconn.go#L304-L314
157,962
vitessio/vitess
go/vt/vttablet/sandboxconn/sandboxconn.go
MessageAck
func (sbc *SandboxConn) MessageAck(ctx context.Context, target *querypb.Target, name string, ids []*querypb.Value) (count int64, err error) { sbc.MessageIDs = ids return int64(len(ids)), nil }
go
func (sbc *SandboxConn) MessageAck(ctx context.Context, target *querypb.Target, name string, ids []*querypb.Value) (count int64, err error) { sbc.MessageIDs = ids return int64(len(ids)), nil }
[ "func", "(", "sbc", "*", "SandboxConn", ")", "MessageAck", "(", "ctx", "context", ".", "Context", ",", "target", "*", "querypb", ".", "Target", ",", "name", "string", ",", "ids", "[", "]", "*", "querypb", ".", "Value", ")", "(", "count", "int64", ",", "err", "error", ")", "{", "sbc", ".", "MessageIDs", "=", "ids", "\n", "return", "int64", "(", "len", "(", "ids", ")", ")", ",", "nil", "\n", "}" ]
// MessageAck is part of the QueryService interface.
[ "MessageAck", "is", "part", "of", "the", "QueryService", "interface", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/sandboxconn/sandboxconn.go#L317-L320
157,963
vitessio/vitess
go/vt/vttablet/sandboxconn/sandboxconn.go
SplitQuery
func (sbc *SandboxConn) SplitQuery( ctx context.Context, target *querypb.Target, query *querypb.BoundQuery, splitColumns []string, splitCount int64, numRowsPerQueryPart int64, algorithm querypb.SplitQueryRequest_Algorithm) ([]*querypb.QuerySplit, error) { err := sbc.getError() if err != nil { return nil, err } splits := []*querypb.QuerySplit{ { Query: &querypb.BoundQuery{ Sql: fmt.Sprintf( "query:%v, splitColumns:%v, splitCount:%v,"+ " numRowsPerQueryPart:%v, algorithm:%v, shard:%v", query, splitColumns, splitCount, numRowsPerQueryPart, algorithm, sbc.tablet.Shard), }, }, } return splits, nil }
go
func (sbc *SandboxConn) SplitQuery( ctx context.Context, target *querypb.Target, query *querypb.BoundQuery, splitColumns []string, splitCount int64, numRowsPerQueryPart int64, algorithm querypb.SplitQueryRequest_Algorithm) ([]*querypb.QuerySplit, error) { err := sbc.getError() if err != nil { return nil, err } splits := []*querypb.QuerySplit{ { Query: &querypb.BoundQuery{ Sql: fmt.Sprintf( "query:%v, splitColumns:%v, splitCount:%v,"+ " numRowsPerQueryPart:%v, algorithm:%v, shard:%v", query, splitColumns, splitCount, numRowsPerQueryPart, algorithm, sbc.tablet.Shard), }, }, } return splits, nil }
[ "func", "(", "sbc", "*", "SandboxConn", ")", "SplitQuery", "(", "ctx", "context", ".", "Context", ",", "target", "*", "querypb", ".", "Target", ",", "query", "*", "querypb", ".", "BoundQuery", ",", "splitColumns", "[", "]", "string", ",", "splitCount", "int64", ",", "numRowsPerQueryPart", "int64", ",", "algorithm", "querypb", ".", "SplitQueryRequest_Algorithm", ")", "(", "[", "]", "*", "querypb", ".", "QuerySplit", ",", "error", ")", "{", "err", ":=", "sbc", ".", "getError", "(", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "err", "\n", "}", "\n", "splits", ":=", "[", "]", "*", "querypb", ".", "QuerySplit", "{", "{", "Query", ":", "&", "querypb", ".", "BoundQuery", "{", "Sql", ":", "fmt", ".", "Sprintf", "(", "\"", "\"", "+", "\"", "\"", ",", "query", ",", "splitColumns", ",", "splitCount", ",", "numRowsPerQueryPart", ",", "algorithm", ",", "sbc", ".", "tablet", ".", "Shard", ")", ",", "}", ",", "}", ",", "}", "\n", "return", "splits", ",", "nil", "\n", "}" ]
// SplitQuery returns a single QuerySplit whose 'sql' field describes the received arguments.
[ "SplitQuery", "returns", "a", "single", "QuerySplit", "whose", "sql", "field", "describes", "the", "received", "arguments", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/sandboxconn/sandboxconn.go#L326-L349
157,964
vitessio/vitess
go/vt/vttablet/sandboxconn/sandboxconn.go
StreamHealth
func (sbc *SandboxConn) StreamHealth(ctx context.Context, callback func(*querypb.StreamHealthResponse) error) error { return fmt.Errorf("not implemented in test") }
go
func (sbc *SandboxConn) StreamHealth(ctx context.Context, callback func(*querypb.StreamHealthResponse) error) error { return fmt.Errorf("not implemented in test") }
[ "func", "(", "sbc", "*", "SandboxConn", ")", "StreamHealth", "(", "ctx", "context", ".", "Context", ",", "callback", "func", "(", "*", "querypb", ".", "StreamHealthResponse", ")", "error", ")", "error", "{", "return", "fmt", ".", "Errorf", "(", "\"", "\"", ")", "\n", "}" ]
// StreamHealth is not implemented.
[ "StreamHealth", "is", "not", "implemented", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/sandboxconn/sandboxconn.go#L352-L354
157,965
vitessio/vitess
go/vt/vttablet/sandboxconn/sandboxconn.go
UpdateStream
func (sbc *SandboxConn) UpdateStream(ctx context.Context, target *querypb.Target, position string, timestamp int64, callback func(*querypb.StreamEvent) error) error { return fmt.Errorf("not implemented in test") }
go
func (sbc *SandboxConn) UpdateStream(ctx context.Context, target *querypb.Target, position string, timestamp int64, callback func(*querypb.StreamEvent) error) error { return fmt.Errorf("not implemented in test") }
[ "func", "(", "sbc", "*", "SandboxConn", ")", "UpdateStream", "(", "ctx", "context", ".", "Context", ",", "target", "*", "querypb", ".", "Target", ",", "position", "string", ",", "timestamp", "int64", ",", "callback", "func", "(", "*", "querypb", ".", "StreamEvent", ")", "error", ")", "error", "{", "return", "fmt", ".", "Errorf", "(", "\"", "\"", ")", "\n", "}" ]
// UpdateStream is part of the QueryService interface.
[ "UpdateStream", "is", "part", "of", "the", "QueryService", "interface", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/sandboxconn/sandboxconn.go#L357-L359
157,966
vitessio/vitess
go/vt/vttablet/sandboxconn/sandboxconn.go
VStream
func (sbc *SandboxConn) VStream(ctx context.Context, target *querypb.Target, startPos string, filter *binlogdatapb.Filter, send func([]*binlogdatapb.VEvent) error) error { return fmt.Errorf("not implemented in test") }
go
func (sbc *SandboxConn) VStream(ctx context.Context, target *querypb.Target, startPos string, filter *binlogdatapb.Filter, send func([]*binlogdatapb.VEvent) error) error { return fmt.Errorf("not implemented in test") }
[ "func", "(", "sbc", "*", "SandboxConn", ")", "VStream", "(", "ctx", "context", ".", "Context", ",", "target", "*", "querypb", ".", "Target", ",", "startPos", "string", ",", "filter", "*", "binlogdatapb", ".", "Filter", ",", "send", "func", "(", "[", "]", "*", "binlogdatapb", ".", "VEvent", ")", "error", ")", "error", "{", "return", "fmt", ".", "Errorf", "(", "\"", "\"", ")", "\n", "}" ]
// VStream is part of the QueryService interface.
[ "VStream", "is", "part", "of", "the", "QueryService", "interface", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/sandboxconn/sandboxconn.go#L362-L364
157,967
vitessio/vitess
go/mysql/charset.go
ExecuteFetchMap
func ExecuteFetchMap(conn *Conn, query string) (map[string]string, error) { qr, err := conn.ExecuteFetch(query, 1, true) if err != nil { return nil, err } if len(qr.Rows) != 1 { return nil, vterrors.Errorf(vtrpc.Code_OUT_OF_RANGE, "query %#v returned %d rows, expected 1", query, len(qr.Rows)) } if len(qr.Fields) != len(qr.Rows[0]) { return nil, vterrors.Errorf(vtrpc.Code_INTERNAL, "query %#v returned %d column names, expected %d", query, len(qr.Fields), len(qr.Rows[0])) } rowMap := make(map[string]string) for i, value := range qr.Rows[0] { rowMap[qr.Fields[i].Name] = value.ToString() } return rowMap, nil }
go
func ExecuteFetchMap(conn *Conn, query string) (map[string]string, error) { qr, err := conn.ExecuteFetch(query, 1, true) if err != nil { return nil, err } if len(qr.Rows) != 1 { return nil, vterrors.Errorf(vtrpc.Code_OUT_OF_RANGE, "query %#v returned %d rows, expected 1", query, len(qr.Rows)) } if len(qr.Fields) != len(qr.Rows[0]) { return nil, vterrors.Errorf(vtrpc.Code_INTERNAL, "query %#v returned %d column names, expected %d", query, len(qr.Fields), len(qr.Rows[0])) } rowMap := make(map[string]string) for i, value := range qr.Rows[0] { rowMap[qr.Fields[i].Name] = value.ToString() } return rowMap, nil }
[ "func", "ExecuteFetchMap", "(", "conn", "*", "Conn", ",", "query", "string", ")", "(", "map", "[", "string", "]", "string", ",", "error", ")", "{", "qr", ",", "err", ":=", "conn", ".", "ExecuteFetch", "(", "query", ",", "1", ",", "true", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "err", "\n", "}", "\n", "if", "len", "(", "qr", ".", "Rows", ")", "!=", "1", "{", "return", "nil", ",", "vterrors", ".", "Errorf", "(", "vtrpc", ".", "Code_OUT_OF_RANGE", ",", "\"", "\"", ",", "query", ",", "len", "(", "qr", ".", "Rows", ")", ")", "\n", "}", "\n", "if", "len", "(", "qr", ".", "Fields", ")", "!=", "len", "(", "qr", ".", "Rows", "[", "0", "]", ")", "{", "return", "nil", ",", "vterrors", ".", "Errorf", "(", "vtrpc", ".", "Code_INTERNAL", ",", "\"", "\"", ",", "query", ",", "len", "(", "qr", ".", "Fields", ")", ",", "len", "(", "qr", ".", "Rows", "[", "0", "]", ")", ")", "\n", "}", "\n\n", "rowMap", ":=", "make", "(", "map", "[", "string", "]", "string", ")", "\n", "for", "i", ",", "value", ":=", "range", "qr", ".", "Rows", "[", "0", "]", "{", "rowMap", "[", "qr", ".", "Fields", "[", "i", "]", ".", "Name", "]", "=", "value", ".", "ToString", "(", ")", "\n", "}", "\n", "return", "rowMap", ",", "nil", "\n", "}" ]
// This file contains utility methods for Conn objects. Only useful on the client // side. // ExecuteFetchMap returns a map from column names to cell data for a query // that should return exactly 1 row.
[ "This", "file", "contains", "utility", "methods", "for", "Conn", "objects", ".", "Only", "useful", "on", "the", "client", "side", ".", "ExecuteFetchMap", "returns", "a", "map", "from", "column", "names", "to", "cell", "data", "for", "a", "query", "that", "should", "return", "exactly", "1", "row", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/charset.go#L33-L50
157,968
vitessio/vitess
go/mysql/charset.go
GetCharset
func GetCharset(conn *Conn) (*binlogdatapb.Charset, error) { // character_set_client row, err := ExecuteFetchMap(conn, "SHOW COLLATION WHERE `charset`=@@session.character_set_client AND `default`='Yes'") if err != nil { return nil, err } client, err := strconv.ParseInt(row["Id"], 10, 16) if err != nil { return nil, err } // collation_connection row, err = ExecuteFetchMap(conn, "SHOW COLLATION WHERE `collation`=@@session.collation_connection") if err != nil { return nil, err } connection, err := strconv.ParseInt(row["Id"], 10, 16) if err != nil { return nil, err } // collation_server row, err = ExecuteFetchMap(conn, "SHOW COLLATION WHERE `collation`=@@session.collation_server") if err != nil { return nil, err } server, err := strconv.ParseInt(row["Id"], 10, 16) if err != nil { return nil, err } return &binlogdatapb.Charset{ Client: int32(client), Conn: int32(connection), Server: int32(server), }, nil }
go
func GetCharset(conn *Conn) (*binlogdatapb.Charset, error) { // character_set_client row, err := ExecuteFetchMap(conn, "SHOW COLLATION WHERE `charset`=@@session.character_set_client AND `default`='Yes'") if err != nil { return nil, err } client, err := strconv.ParseInt(row["Id"], 10, 16) if err != nil { return nil, err } // collation_connection row, err = ExecuteFetchMap(conn, "SHOW COLLATION WHERE `collation`=@@session.collation_connection") if err != nil { return nil, err } connection, err := strconv.ParseInt(row["Id"], 10, 16) if err != nil { return nil, err } // collation_server row, err = ExecuteFetchMap(conn, "SHOW COLLATION WHERE `collation`=@@session.collation_server") if err != nil { return nil, err } server, err := strconv.ParseInt(row["Id"], 10, 16) if err != nil { return nil, err } return &binlogdatapb.Charset{ Client: int32(client), Conn: int32(connection), Server: int32(server), }, nil }
[ "func", "GetCharset", "(", "conn", "*", "Conn", ")", "(", "*", "binlogdatapb", ".", "Charset", ",", "error", ")", "{", "// character_set_client", "row", ",", "err", ":=", "ExecuteFetchMap", "(", "conn", ",", "\"", "\"", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "err", "\n", "}", "\n", "client", ",", "err", ":=", "strconv", ".", "ParseInt", "(", "row", "[", "\"", "\"", "]", ",", "10", ",", "16", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "err", "\n", "}", "\n\n", "// collation_connection", "row", ",", "err", "=", "ExecuteFetchMap", "(", "conn", ",", "\"", "\"", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "err", "\n", "}", "\n", "connection", ",", "err", ":=", "strconv", ".", "ParseInt", "(", "row", "[", "\"", "\"", "]", ",", "10", ",", "16", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "err", "\n", "}", "\n\n", "// collation_server", "row", ",", "err", "=", "ExecuteFetchMap", "(", "conn", ",", "\"", "\"", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "err", "\n", "}", "\n", "server", ",", "err", ":=", "strconv", ".", "ParseInt", "(", "row", "[", "\"", "\"", "]", ",", "10", ",", "16", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "err", "\n", "}", "\n\n", "return", "&", "binlogdatapb", ".", "Charset", "{", "Client", ":", "int32", "(", "client", ")", ",", "Conn", ":", "int32", "(", "connection", ")", ",", "Server", ":", "int32", "(", "server", ")", ",", "}", ",", "nil", "\n", "}" ]
// GetCharset returns the current numerical values of the per-session character // set variables.
[ "GetCharset", "returns", "the", "current", "numerical", "values", "of", "the", "per", "-", "session", "character", "set", "variables", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/charset.go#L54-L90
157,969
vitessio/vitess
go/mysql/charset.go
SetCharset
func SetCharset(conn *Conn, cs *binlogdatapb.Charset) error { sql := fmt.Sprintf( "SET @@session.character_set_client=%d, @@session.collation_connection=%d, @@session.collation_server=%d", cs.Client, cs.Conn, cs.Server) _, err := conn.ExecuteFetch(sql, 1, false) return err }
go
func SetCharset(conn *Conn, cs *binlogdatapb.Charset) error { sql := fmt.Sprintf( "SET @@session.character_set_client=%d, @@session.collation_connection=%d, @@session.collation_server=%d", cs.Client, cs.Conn, cs.Server) _, err := conn.ExecuteFetch(sql, 1, false) return err }
[ "func", "SetCharset", "(", "conn", "*", "Conn", ",", "cs", "*", "binlogdatapb", ".", "Charset", ")", "error", "{", "sql", ":=", "fmt", ".", "Sprintf", "(", "\"", "\"", ",", "cs", ".", "Client", ",", "cs", ".", "Conn", ",", "cs", ".", "Server", ")", "\n", "_", ",", "err", ":=", "conn", ".", "ExecuteFetch", "(", "sql", ",", "1", ",", "false", ")", "\n", "return", "err", "\n", "}" ]
// SetCharset changes the per-session character set variables.
[ "SetCharset", "changes", "the", "per", "-", "session", "character", "set", "variables", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/charset.go#L93-L99
157,970
vitessio/vitess
go/vt/mysqlctl/builtinbackupengine.go
isDbDir
func isDbDir(p string) bool { // db.opt is there if _, err := os.Stat(path.Join(p, "db.opt")); err == nil { return true } // Look for at least one database file fis, err := ioutil.ReadDir(p) if err != nil { return false } for _, fi := range fis { if strings.HasSuffix(fi.Name(), ".frm") { return true } // the MyRocks engine stores data in RocksDB .sst files // https://github.com/facebook/rocksdb/wiki/Rocksdb-BlockBasedTable-Format if strings.HasSuffix(fi.Name(), ".sst") { return true } // .frm files were removed in MySQL 8, so we need to check for two other file types // https://dev.mysql.com/doc/refman/8.0/en/data-dictionary-file-removal.html if strings.HasSuffix(fi.Name(), ".ibd") { return true } // https://dev.mysql.com/doc/refman/8.0/en/serialized-dictionary-information.html if strings.HasSuffix(fi.Name(), ".sdi") { return true } } return false }
go
func isDbDir(p string) bool { // db.opt is there if _, err := os.Stat(path.Join(p, "db.opt")); err == nil { return true } // Look for at least one database file fis, err := ioutil.ReadDir(p) if err != nil { return false } for _, fi := range fis { if strings.HasSuffix(fi.Name(), ".frm") { return true } // the MyRocks engine stores data in RocksDB .sst files // https://github.com/facebook/rocksdb/wiki/Rocksdb-BlockBasedTable-Format if strings.HasSuffix(fi.Name(), ".sst") { return true } // .frm files were removed in MySQL 8, so we need to check for two other file types // https://dev.mysql.com/doc/refman/8.0/en/data-dictionary-file-removal.html if strings.HasSuffix(fi.Name(), ".ibd") { return true } // https://dev.mysql.com/doc/refman/8.0/en/serialized-dictionary-information.html if strings.HasSuffix(fi.Name(), ".sdi") { return true } } return false }
[ "func", "isDbDir", "(", "p", "string", ")", "bool", "{", "// db.opt is there", "if", "_", ",", "err", ":=", "os", ".", "Stat", "(", "path", ".", "Join", "(", "p", ",", "\"", "\"", ")", ")", ";", "err", "==", "nil", "{", "return", "true", "\n", "}", "\n\n", "// Look for at least one database file", "fis", ",", "err", ":=", "ioutil", ".", "ReadDir", "(", "p", ")", "\n", "if", "err", "!=", "nil", "{", "return", "false", "\n", "}", "\n", "for", "_", ",", "fi", ":=", "range", "fis", "{", "if", "strings", ".", "HasSuffix", "(", "fi", ".", "Name", "(", ")", ",", "\"", "\"", ")", "{", "return", "true", "\n", "}", "\n\n", "// the MyRocks engine stores data in RocksDB .sst files", "// https://github.com/facebook/rocksdb/wiki/Rocksdb-BlockBasedTable-Format", "if", "strings", ".", "HasSuffix", "(", "fi", ".", "Name", "(", ")", ",", "\"", "\"", ")", "{", "return", "true", "\n", "}", "\n\n", "// .frm files were removed in MySQL 8, so we need to check for two other file types", "// https://dev.mysql.com/doc/refman/8.0/en/data-dictionary-file-removal.html", "if", "strings", ".", "HasSuffix", "(", "fi", ".", "Name", "(", ")", ",", "\"", "\"", ")", "{", "return", "true", "\n", "}", "\n", "// https://dev.mysql.com/doc/refman/8.0/en/serialized-dictionary-information.html", "if", "strings", ".", "HasSuffix", "(", "fi", ".", "Name", "(", ")", ",", "\"", "\"", ")", "{", "return", "true", "\n", "}", "\n", "}", "\n\n", "return", "false", "\n", "}" ]
// isDbDir returns true if the given directory contains a DB
[ "isDbDir", "returns", "true", "if", "the", "given", "directory", "contains", "a", "DB" ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/builtinbackupengine.go#L128-L162
157,971
vitessio/vitess
go/vt/mysqlctl/builtinbackupengine.go
backupFiles
func (be *BuiltinBackupEngine) backupFiles(ctx context.Context, cnf *Mycnf, mysqld MysqlDaemon, logger logutil.Logger, bh backupstorage.BackupHandle, replicationPosition mysql.Position, backupConcurrency int, hookExtraEnv map[string]string) (err error) { // Get the files to backup. fes, err := findFilesToBackup(cnf) if err != nil { return vterrors.Wrap(err, "can't find files to backup") } logger.Infof("found %v files to backup", len(fes)) // Backup with the provided concurrency. sema := sync2.NewSemaphore(backupConcurrency, 0) rec := concurrency.AllErrorRecorder{} wg := sync.WaitGroup{} for i := range fes { wg.Add(1) go func(i int) { defer wg.Done() // Wait until we are ready to go, skip if we already // encountered an error. sema.Acquire() defer sema.Release() if rec.HasErrors() { return } // Backup the individual file. name := fmt.Sprintf("%v", i) rec.RecordError(be.backupFile(ctx, cnf, mysqld, logger, bh, &fes[i], name, hookExtraEnv)) }(i) } wg.Wait() if rec.HasErrors() { return rec.Error() } // open the MANIFEST wc, err := bh.AddFile(ctx, backupManifest, 0) if err != nil { return vterrors.Wrapf(err, "cannot add %v to backup", backupManifest) } defer func() { if closeErr := wc.Close(); err == nil { err = closeErr } }() // JSON-encode and write the MANIFEST bm := &builtinBackupManifest{ FileEntries: fes, Position: replicationPosition, TransformHook: *backupStorageHook, SkipCompress: !*backupStorageCompress, } data, err := json.MarshalIndent(bm, "", " ") if err != nil { return vterrors.Wrapf(err, "cannot JSON encode %v", backupManifest) } if _, err := wc.Write([]byte(data)); err != nil { return vterrors.Wrapf(err, "cannot write %v", backupManifest) } return nil }
go
func (be *BuiltinBackupEngine) backupFiles(ctx context.Context, cnf *Mycnf, mysqld MysqlDaemon, logger logutil.Logger, bh backupstorage.BackupHandle, replicationPosition mysql.Position, backupConcurrency int, hookExtraEnv map[string]string) (err error) { // Get the files to backup. fes, err := findFilesToBackup(cnf) if err != nil { return vterrors.Wrap(err, "can't find files to backup") } logger.Infof("found %v files to backup", len(fes)) // Backup with the provided concurrency. sema := sync2.NewSemaphore(backupConcurrency, 0) rec := concurrency.AllErrorRecorder{} wg := sync.WaitGroup{} for i := range fes { wg.Add(1) go func(i int) { defer wg.Done() // Wait until we are ready to go, skip if we already // encountered an error. sema.Acquire() defer sema.Release() if rec.HasErrors() { return } // Backup the individual file. name := fmt.Sprintf("%v", i) rec.RecordError(be.backupFile(ctx, cnf, mysqld, logger, bh, &fes[i], name, hookExtraEnv)) }(i) } wg.Wait() if rec.HasErrors() { return rec.Error() } // open the MANIFEST wc, err := bh.AddFile(ctx, backupManifest, 0) if err != nil { return vterrors.Wrapf(err, "cannot add %v to backup", backupManifest) } defer func() { if closeErr := wc.Close(); err == nil { err = closeErr } }() // JSON-encode and write the MANIFEST bm := &builtinBackupManifest{ FileEntries: fes, Position: replicationPosition, TransformHook: *backupStorageHook, SkipCompress: !*backupStorageCompress, } data, err := json.MarshalIndent(bm, "", " ") if err != nil { return vterrors.Wrapf(err, "cannot JSON encode %v", backupManifest) } if _, err := wc.Write([]byte(data)); err != nil { return vterrors.Wrapf(err, "cannot write %v", backupManifest) } return nil }
[ "func", "(", "be", "*", "BuiltinBackupEngine", ")", "backupFiles", "(", "ctx", "context", ".", "Context", ",", "cnf", "*", "Mycnf", ",", "mysqld", "MysqlDaemon", ",", "logger", "logutil", ".", "Logger", ",", "bh", "backupstorage", ".", "BackupHandle", ",", "replicationPosition", "mysql", ".", "Position", ",", "backupConcurrency", "int", ",", "hookExtraEnv", "map", "[", "string", "]", "string", ")", "(", "err", "error", ")", "{", "// Get the files to backup.", "fes", ",", "err", ":=", "findFilesToBackup", "(", "cnf", ")", "\n", "if", "err", "!=", "nil", "{", "return", "vterrors", ".", "Wrap", "(", "err", ",", "\"", "\"", ")", "\n", "}", "\n", "logger", ".", "Infof", "(", "\"", "\"", ",", "len", "(", "fes", ")", ")", "\n\n", "// Backup with the provided concurrency.", "sema", ":=", "sync2", ".", "NewSemaphore", "(", "backupConcurrency", ",", "0", ")", "\n", "rec", ":=", "concurrency", ".", "AllErrorRecorder", "{", "}", "\n", "wg", ":=", "sync", ".", "WaitGroup", "{", "}", "\n", "for", "i", ":=", "range", "fes", "{", "wg", ".", "Add", "(", "1", ")", "\n", "go", "func", "(", "i", "int", ")", "{", "defer", "wg", ".", "Done", "(", ")", "\n\n", "// Wait until we are ready to go, skip if we already", "// encountered an error.", "sema", ".", "Acquire", "(", ")", "\n", "defer", "sema", ".", "Release", "(", ")", "\n", "if", "rec", ".", "HasErrors", "(", ")", "{", "return", "\n", "}", "\n\n", "// Backup the individual file.", "name", ":=", "fmt", ".", "Sprintf", "(", "\"", "\"", ",", "i", ")", "\n", "rec", ".", "RecordError", "(", "be", ".", "backupFile", "(", "ctx", ",", "cnf", ",", "mysqld", ",", "logger", ",", "bh", ",", "&", "fes", "[", "i", "]", ",", "name", ",", "hookExtraEnv", ")", ")", "\n", "}", "(", "i", ")", "\n", "}", "\n\n", "wg", ".", "Wait", "(", ")", "\n", "if", "rec", ".", "HasErrors", "(", ")", "{", "return", "rec", ".", "Error", "(", ")", "\n", "}", "\n\n", "// open the MANIFEST", "wc", ",", "err", ":=", "bh", ".", "AddFile", "(", "ctx", ",", "backupManifest", ",", "0", ")", "\n", "if", "err", "!=", "nil", "{", "return", "vterrors", ".", "Wrapf", "(", "err", ",", "\"", "\"", ",", "backupManifest", ")", "\n", "}", "\n", "defer", "func", "(", ")", "{", "if", "closeErr", ":=", "wc", ".", "Close", "(", ")", ";", "err", "==", "nil", "{", "err", "=", "closeErr", "\n", "}", "\n", "}", "(", ")", "\n\n", "// JSON-encode and write the MANIFEST", "bm", ":=", "&", "builtinBackupManifest", "{", "FileEntries", ":", "fes", ",", "Position", ":", "replicationPosition", ",", "TransformHook", ":", "*", "backupStorageHook", ",", "SkipCompress", ":", "!", "*", "backupStorageCompress", ",", "}", "\n", "data", ",", "err", ":=", "json", ".", "MarshalIndent", "(", "bm", ",", "\"", "\"", ",", "\"", "\"", ")", "\n", "if", "err", "!=", "nil", "{", "return", "vterrors", ".", "Wrapf", "(", "err", ",", "\"", "\"", ",", "backupManifest", ")", "\n", "}", "\n", "if", "_", ",", "err", ":=", "wc", ".", "Write", "(", "[", "]", "byte", "(", "data", ")", ")", ";", "err", "!=", "nil", "{", "return", "vterrors", ".", "Wrapf", "(", "err", ",", "\"", "\"", ",", "backupManifest", ")", "\n", "}", "\n\n", "return", "nil", "\n", "}" ]
// backupFiles finds the list of files to backup, and creates the backup.
[ "backupFiles", "finds", "the", "list", "of", "files", "to", "backup", "and", "creates", "the", "backup", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/builtinbackupengine.go#L343-L406
157,972
vitessio/vitess
go/vt/mysqlctl/builtinbackupengine.go
ExecuteRestore
func (be *BuiltinBackupEngine) ExecuteRestore( ctx context.Context, cnf *Mycnf, mysqld MysqlDaemon, logger logutil.Logger, dir string, bhs []backupstorage.BackupHandle, restoreConcurrency int, hookExtraEnv map[string]string) (mysql.Position, error) { var bh backupstorage.BackupHandle var bm builtinBackupManifest var toRestore int for toRestore = len(bhs) - 1; toRestore >= 0; toRestore-- { bh = bhs[toRestore] rc, err := bh.ReadFile(ctx, backupManifest) if err != nil { log.Warningf("Possibly incomplete backup %v in directory %v on BackupStorage: can't read MANIFEST: %v)", bh.Name(), dir, err) continue } err = json.NewDecoder(rc).Decode(&bm) rc.Close() if err != nil { log.Warningf("Possibly incomplete backup %v in directory %v on BackupStorage (cannot JSON decode MANIFEST: %v)", bh.Name(), dir, err) continue } logger.Infof("Restore: found backup %v %v to restore with %v files", bh.Directory(), bh.Name(), len(bm.FileEntries)) break } if toRestore < 0 { // There is at least one attempted backup, but none could be read. // This implies there is data we ought to have, so it's not safe to start // up empty. return mysql.Position{}, errors.New("backup(s) found but none could be read, unsafe to start up empty, restart to retry restore") } // Starting from here we won't be able to recover if we get stopped by a cancelled // context. Thus we use the background context to get through to the finish. logger.Infof("Restore: shutdown mysqld") err := mysqld.Shutdown(context.Background(), cnf, true) if err != nil { return mysql.Position{}, err } logger.Infof("Restore: deleting existing files") if err := removeExistingFiles(cnf); err != nil { return mysql.Position{}, err } logger.Infof("Restore: reinit config file") err = mysqld.ReinitConfig(context.Background(), cnf) if err != nil { return mysql.Position{}, err } logger.Infof("Restore: copying all files") if err := be.restoreFiles(context.Background(), cnf, bh, bm.FileEntries, bm.TransformHook, !bm.SkipCompress, restoreConcurrency, hookExtraEnv); err != nil { return mysql.Position{}, err } return bm.Position, nil }
go
func (be *BuiltinBackupEngine) ExecuteRestore( ctx context.Context, cnf *Mycnf, mysqld MysqlDaemon, logger logutil.Logger, dir string, bhs []backupstorage.BackupHandle, restoreConcurrency int, hookExtraEnv map[string]string) (mysql.Position, error) { var bh backupstorage.BackupHandle var bm builtinBackupManifest var toRestore int for toRestore = len(bhs) - 1; toRestore >= 0; toRestore-- { bh = bhs[toRestore] rc, err := bh.ReadFile(ctx, backupManifest) if err != nil { log.Warningf("Possibly incomplete backup %v in directory %v on BackupStorage: can't read MANIFEST: %v)", bh.Name(), dir, err) continue } err = json.NewDecoder(rc).Decode(&bm) rc.Close() if err != nil { log.Warningf("Possibly incomplete backup %v in directory %v on BackupStorage (cannot JSON decode MANIFEST: %v)", bh.Name(), dir, err) continue } logger.Infof("Restore: found backup %v %v to restore with %v files", bh.Directory(), bh.Name(), len(bm.FileEntries)) break } if toRestore < 0 { // There is at least one attempted backup, but none could be read. // This implies there is data we ought to have, so it's not safe to start // up empty. return mysql.Position{}, errors.New("backup(s) found but none could be read, unsafe to start up empty, restart to retry restore") } // Starting from here we won't be able to recover if we get stopped by a cancelled // context. Thus we use the background context to get through to the finish. logger.Infof("Restore: shutdown mysqld") err := mysqld.Shutdown(context.Background(), cnf, true) if err != nil { return mysql.Position{}, err } logger.Infof("Restore: deleting existing files") if err := removeExistingFiles(cnf); err != nil { return mysql.Position{}, err } logger.Infof("Restore: reinit config file") err = mysqld.ReinitConfig(context.Background(), cnf) if err != nil { return mysql.Position{}, err } logger.Infof("Restore: copying all files") if err := be.restoreFiles(context.Background(), cnf, bh, bm.FileEntries, bm.TransformHook, !bm.SkipCompress, restoreConcurrency, hookExtraEnv); err != nil { return mysql.Position{}, err } return bm.Position, nil }
[ "func", "(", "be", "*", "BuiltinBackupEngine", ")", "ExecuteRestore", "(", "ctx", "context", ".", "Context", ",", "cnf", "*", "Mycnf", ",", "mysqld", "MysqlDaemon", ",", "logger", "logutil", ".", "Logger", ",", "dir", "string", ",", "bhs", "[", "]", "backupstorage", ".", "BackupHandle", ",", "restoreConcurrency", "int", ",", "hookExtraEnv", "map", "[", "string", "]", "string", ")", "(", "mysql", ".", "Position", ",", "error", ")", "{", "var", "bh", "backupstorage", ".", "BackupHandle", "\n", "var", "bm", "builtinBackupManifest", "\n", "var", "toRestore", "int", "\n\n", "for", "toRestore", "=", "len", "(", "bhs", ")", "-", "1", ";", "toRestore", ">=", "0", ";", "toRestore", "--", "{", "bh", "=", "bhs", "[", "toRestore", "]", "\n", "rc", ",", "err", ":=", "bh", ".", "ReadFile", "(", "ctx", ",", "backupManifest", ")", "\n", "if", "err", "!=", "nil", "{", "log", ".", "Warningf", "(", "\"", "\"", ",", "bh", ".", "Name", "(", ")", ",", "dir", ",", "err", ")", "\n", "continue", "\n", "}", "\n\n", "err", "=", "json", ".", "NewDecoder", "(", "rc", ")", ".", "Decode", "(", "&", "bm", ")", "\n", "rc", ".", "Close", "(", ")", "\n", "if", "err", "!=", "nil", "{", "log", ".", "Warningf", "(", "\"", "\"", ",", "bh", ".", "Name", "(", ")", ",", "dir", ",", "err", ")", "\n", "continue", "\n", "}", "\n\n", "logger", ".", "Infof", "(", "\"", "\"", ",", "bh", ".", "Directory", "(", ")", ",", "bh", ".", "Name", "(", ")", ",", "len", "(", "bm", ".", "FileEntries", ")", ")", "\n", "break", "\n", "}", "\n", "if", "toRestore", "<", "0", "{", "// There is at least one attempted backup, but none could be read.", "// This implies there is data we ought to have, so it's not safe to start", "// up empty.", "return", "mysql", ".", "Position", "{", "}", ",", "errors", ".", "New", "(", "\"", "\"", ")", "\n", "}", "\n\n", "// Starting from here we won't be able to recover if we get stopped by a cancelled", "// context. Thus we use the background context to get through to the finish.", "logger", ".", "Infof", "(", "\"", "\"", ")", "\n", "err", ":=", "mysqld", ".", "Shutdown", "(", "context", ".", "Background", "(", ")", ",", "cnf", ",", "true", ")", "\n", "if", "err", "!=", "nil", "{", "return", "mysql", ".", "Position", "{", "}", ",", "err", "\n", "}", "\n\n", "logger", ".", "Infof", "(", "\"", "\"", ")", "\n", "if", "err", ":=", "removeExistingFiles", "(", "cnf", ")", ";", "err", "!=", "nil", "{", "return", "mysql", ".", "Position", "{", "}", ",", "err", "\n", "}", "\n\n", "logger", ".", "Infof", "(", "\"", "\"", ")", "\n", "err", "=", "mysqld", ".", "ReinitConfig", "(", "context", ".", "Background", "(", ")", ",", "cnf", ")", "\n", "if", "err", "!=", "nil", "{", "return", "mysql", ".", "Position", "{", "}", ",", "err", "\n", "}", "\n\n", "logger", ".", "Infof", "(", "\"", "\"", ")", "\n", "if", "err", ":=", "be", ".", "restoreFiles", "(", "context", ".", "Background", "(", ")", ",", "cnf", ",", "bh", ",", "bm", ".", "FileEntries", ",", "bm", ".", "TransformHook", ",", "!", "bm", ".", "SkipCompress", ",", "restoreConcurrency", ",", "hookExtraEnv", ")", ";", "err", "!=", "nil", "{", "return", "mysql", ".", "Position", "{", "}", ",", "err", "\n", "}", "\n\n", "return", "bm", ".", "Position", ",", "nil", "\n", "}" ]
// ExecuteRestore restores from a backup. If the restore is successful // we return the position from which replication should start // otherwise an error is returned
[ "ExecuteRestore", "restores", "from", "a", "backup", ".", "If", "the", "restore", "is", "successful", "we", "return", "the", "position", "from", "which", "replication", "should", "start", "otherwise", "an", "error", "is", "returned" ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/builtinbackupengine.go#L510-L575
157,973
vitessio/vitess
go/vt/mysqlctl/builtinbackupengine.go
restoreFiles
func (be *BuiltinBackupEngine) restoreFiles(ctx context.Context, cnf *Mycnf, bh backupstorage.BackupHandle, fes []FileEntry, transformHook string, compress bool, restoreConcurrency int, hookExtraEnv map[string]string) error { sema := sync2.NewSemaphore(restoreConcurrency, 0) rec := concurrency.AllErrorRecorder{} wg := sync.WaitGroup{} for i := range fes { wg.Add(1) go func(i int) { defer wg.Done() // Wait until we are ready to go, skip if we already // encountered an error. sema.Acquire() defer sema.Release() if rec.HasErrors() { return } // And restore the file. name := fmt.Sprintf("%v", i) rec.RecordError(be.restoreFile(ctx, cnf, bh, &fes[i], transformHook, compress, name, hookExtraEnv)) }(i) } wg.Wait() return rec.Error() }
go
func (be *BuiltinBackupEngine) restoreFiles(ctx context.Context, cnf *Mycnf, bh backupstorage.BackupHandle, fes []FileEntry, transformHook string, compress bool, restoreConcurrency int, hookExtraEnv map[string]string) error { sema := sync2.NewSemaphore(restoreConcurrency, 0) rec := concurrency.AllErrorRecorder{} wg := sync.WaitGroup{} for i := range fes { wg.Add(1) go func(i int) { defer wg.Done() // Wait until we are ready to go, skip if we already // encountered an error. sema.Acquire() defer sema.Release() if rec.HasErrors() { return } // And restore the file. name := fmt.Sprintf("%v", i) rec.RecordError(be.restoreFile(ctx, cnf, bh, &fes[i], transformHook, compress, name, hookExtraEnv)) }(i) } wg.Wait() return rec.Error() }
[ "func", "(", "be", "*", "BuiltinBackupEngine", ")", "restoreFiles", "(", "ctx", "context", ".", "Context", ",", "cnf", "*", "Mycnf", ",", "bh", "backupstorage", ".", "BackupHandle", ",", "fes", "[", "]", "FileEntry", ",", "transformHook", "string", ",", "compress", "bool", ",", "restoreConcurrency", "int", ",", "hookExtraEnv", "map", "[", "string", "]", "string", ")", "error", "{", "sema", ":=", "sync2", ".", "NewSemaphore", "(", "restoreConcurrency", ",", "0", ")", "\n", "rec", ":=", "concurrency", ".", "AllErrorRecorder", "{", "}", "\n", "wg", ":=", "sync", ".", "WaitGroup", "{", "}", "\n", "for", "i", ":=", "range", "fes", "{", "wg", ".", "Add", "(", "1", ")", "\n", "go", "func", "(", "i", "int", ")", "{", "defer", "wg", ".", "Done", "(", ")", "\n\n", "// Wait until we are ready to go, skip if we already", "// encountered an error.", "sema", ".", "Acquire", "(", ")", "\n", "defer", "sema", ".", "Release", "(", ")", "\n", "if", "rec", ".", "HasErrors", "(", ")", "{", "return", "\n", "}", "\n\n", "// And restore the file.", "name", ":=", "fmt", ".", "Sprintf", "(", "\"", "\"", ",", "i", ")", "\n", "rec", ".", "RecordError", "(", "be", ".", "restoreFile", "(", "ctx", ",", "cnf", ",", "bh", ",", "&", "fes", "[", "i", "]", ",", "transformHook", ",", "compress", ",", "name", ",", "hookExtraEnv", ")", ")", "\n", "}", "(", "i", ")", "\n", "}", "\n", "wg", ".", "Wait", "(", ")", "\n", "return", "rec", ".", "Error", "(", ")", "\n", "}" ]
// restoreFiles will copy all the files from the BackupStorage to the // right place.
[ "restoreFiles", "will", "copy", "all", "the", "files", "from", "the", "BackupStorage", "to", "the", "right", "place", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/builtinbackupengine.go#L579-L603
157,974
vitessio/vitess
go/vt/worker/grpcvtworkerserver/server.go
ExecuteVtworkerCommand
func (s *VtworkerServer) ExecuteVtworkerCommand(args *vtworkerdatapb.ExecuteVtworkerCommandRequest, stream vtworkerservicepb.Vtworker_ExecuteVtworkerCommandServer) (err error) { // Please note that this panic handler catches only panics occuring in the code below. // The actual execution of the vtworker command takes place in a new go routine // (started in Instance.setAndStartWorker()) which has its own panic handler. defer servenv.HandlePanic("vtworker", &err) // Stream everything back what the Wrangler is logging. // We may execute this in parallel (inside multiple go routines), // but the stream.Send() method is not thread safe in gRPC. // So use a mutex to protect it. mu := sync.Mutex{} logstream := logutil.NewCallbackLogger(func(e *logutilpb.Event) { mu.Lock() stream.Send(&vtworkerdatapb.ExecuteVtworkerCommandResponse{ Event: e, }) mu.Unlock() }) // Let the Wrangler also log everything to the console (and thereby // effectively to a logfile) to make sure that any information or errors // is preserved in the logs in case the RPC or vtworker crashes. logger := logutil.NewTeeLogger(logstream, logutil.NewConsoleLogger()) wr := s.wi.CreateWrangler(logger) // Run the command as long as the RPC Context is valid. worker, done, err := s.wi.RunCommand(stream.Context(), args.Args, wr, false /*runFromCli*/) if err == nil && worker != nil && done != nil { err = s.wi.WaitForCommand(worker, done) } return vterrors.ToGRPC(err) }
go
func (s *VtworkerServer) ExecuteVtworkerCommand(args *vtworkerdatapb.ExecuteVtworkerCommandRequest, stream vtworkerservicepb.Vtworker_ExecuteVtworkerCommandServer) (err error) { // Please note that this panic handler catches only panics occuring in the code below. // The actual execution of the vtworker command takes place in a new go routine // (started in Instance.setAndStartWorker()) which has its own panic handler. defer servenv.HandlePanic("vtworker", &err) // Stream everything back what the Wrangler is logging. // We may execute this in parallel (inside multiple go routines), // but the stream.Send() method is not thread safe in gRPC. // So use a mutex to protect it. mu := sync.Mutex{} logstream := logutil.NewCallbackLogger(func(e *logutilpb.Event) { mu.Lock() stream.Send(&vtworkerdatapb.ExecuteVtworkerCommandResponse{ Event: e, }) mu.Unlock() }) // Let the Wrangler also log everything to the console (and thereby // effectively to a logfile) to make sure that any information or errors // is preserved in the logs in case the RPC or vtworker crashes. logger := logutil.NewTeeLogger(logstream, logutil.NewConsoleLogger()) wr := s.wi.CreateWrangler(logger) // Run the command as long as the RPC Context is valid. worker, done, err := s.wi.RunCommand(stream.Context(), args.Args, wr, false /*runFromCli*/) if err == nil && worker != nil && done != nil { err = s.wi.WaitForCommand(worker, done) } return vterrors.ToGRPC(err) }
[ "func", "(", "s", "*", "VtworkerServer", ")", "ExecuteVtworkerCommand", "(", "args", "*", "vtworkerdatapb", ".", "ExecuteVtworkerCommandRequest", ",", "stream", "vtworkerservicepb", ".", "Vtworker_ExecuteVtworkerCommandServer", ")", "(", "err", "error", ")", "{", "// Please note that this panic handler catches only panics occuring in the code below.", "// The actual execution of the vtworker command takes place in a new go routine", "// (started in Instance.setAndStartWorker()) which has its own panic handler.", "defer", "servenv", ".", "HandlePanic", "(", "\"", "\"", ",", "&", "err", ")", "\n\n", "// Stream everything back what the Wrangler is logging.", "// We may execute this in parallel (inside multiple go routines),", "// but the stream.Send() method is not thread safe in gRPC.", "// So use a mutex to protect it.", "mu", ":=", "sync", ".", "Mutex", "{", "}", "\n", "logstream", ":=", "logutil", ".", "NewCallbackLogger", "(", "func", "(", "e", "*", "logutilpb", ".", "Event", ")", "{", "mu", ".", "Lock", "(", ")", "\n", "stream", ".", "Send", "(", "&", "vtworkerdatapb", ".", "ExecuteVtworkerCommandResponse", "{", "Event", ":", "e", ",", "}", ")", "\n", "mu", ".", "Unlock", "(", ")", "\n", "}", ")", "\n", "// Let the Wrangler also log everything to the console (and thereby", "// effectively to a logfile) to make sure that any information or errors", "// is preserved in the logs in case the RPC or vtworker crashes.", "logger", ":=", "logutil", ".", "NewTeeLogger", "(", "logstream", ",", "logutil", ".", "NewConsoleLogger", "(", ")", ")", "\n\n", "wr", ":=", "s", ".", "wi", ".", "CreateWrangler", "(", "logger", ")", "\n\n", "// Run the command as long as the RPC Context is valid.", "worker", ",", "done", ",", "err", ":=", "s", ".", "wi", ".", "RunCommand", "(", "stream", ".", "Context", "(", ")", ",", "args", ".", "Args", ",", "wr", ",", "false", "/*runFromCli*/", ")", "\n", "if", "err", "==", "nil", "&&", "worker", "!=", "nil", "&&", "done", "!=", "nil", "{", "err", "=", "s", ".", "wi", ".", "WaitForCommand", "(", "worker", ",", "done", ")", "\n", "}", "\n\n", "return", "vterrors", ".", "ToGRPC", "(", "err", ")", "\n", "}" ]
// ExecuteVtworkerCommand is part of the vtworkerdatapb.VtworkerServer interface
[ "ExecuteVtworkerCommand", "is", "part", "of", "the", "vtworkerdatapb", ".", "VtworkerServer", "interface" ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/worker/grpcvtworkerserver/server.go#L49-L81
157,975
vitessio/vitess
go/vt/worker/grpcvtworkerserver/server.go
StartServer
func StartServer(s *grpc.Server, wi *worker.Instance) { vtworkerservicepb.RegisterVtworkerServer(s, NewVtworkerServer(wi)) }
go
func StartServer(s *grpc.Server, wi *worker.Instance) { vtworkerservicepb.RegisterVtworkerServer(s, NewVtworkerServer(wi)) }
[ "func", "StartServer", "(", "s", "*", "grpc", ".", "Server", ",", "wi", "*", "worker", ".", "Instance", ")", "{", "vtworkerservicepb", ".", "RegisterVtworkerServer", "(", "s", ",", "NewVtworkerServer", "(", "wi", ")", ")", "\n", "}" ]
// StartServer registers the VtworkerServer for RPCs
[ "StartServer", "registers", "the", "VtworkerServer", "for", "RPCs" ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/worker/grpcvtworkerserver/server.go#L84-L86
157,976
vitessio/vitess
go/vt/sqlparser/token.go
NewStringTokenizer
func NewStringTokenizer(sql string) *Tokenizer { buf := []byte(sql) return &Tokenizer{ buf: buf, bufSize: len(buf), } }
go
func NewStringTokenizer(sql string) *Tokenizer { buf := []byte(sql) return &Tokenizer{ buf: buf, bufSize: len(buf), } }
[ "func", "NewStringTokenizer", "(", "sql", "string", ")", "*", "Tokenizer", "{", "buf", ":=", "[", "]", "byte", "(", "sql", ")", "\n", "return", "&", "Tokenizer", "{", "buf", ":", "buf", ",", "bufSize", ":", "len", "(", "buf", ")", ",", "}", "\n", "}" ]
// NewStringTokenizer creates a new Tokenizer for the // sql string.
[ "NewStringTokenizer", "creates", "a", "new", "Tokenizer", "for", "the", "sql", "string", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/sqlparser/token.go#L59-L65
157,977
vitessio/vitess
go/vt/sqlparser/token.go
NewTokenizer
func NewTokenizer(r io.Reader) *Tokenizer { return &Tokenizer{ InStream: r, buf: make([]byte, defaultBufSize), } }
go
func NewTokenizer(r io.Reader) *Tokenizer { return &Tokenizer{ InStream: r, buf: make([]byte, defaultBufSize), } }
[ "func", "NewTokenizer", "(", "r", "io", ".", "Reader", ")", "*", "Tokenizer", "{", "return", "&", "Tokenizer", "{", "InStream", ":", "r", ",", "buf", ":", "make", "(", "[", "]", "byte", ",", "defaultBufSize", ")", ",", "}", "\n", "}" ]
// NewTokenizer creates a new Tokenizer reading a sql // string from the io.Reader.
[ "NewTokenizer", "creates", "a", "new", "Tokenizer", "reading", "a", "sql", "string", "from", "the", "io", ".", "Reader", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/sqlparser/token.go#L69-L74
157,978
vitessio/vitess
go/vt/sqlparser/token.go
KeywordString
func KeywordString(id int) string { str, ok := keywordStrings[id] if !ok { return "" } return str }
go
func KeywordString(id int) string { str, ok := keywordStrings[id] if !ok { return "" } return str }
[ "func", "KeywordString", "(", "id", "int", ")", "string", "{", "str", ",", "ok", ":=", "keywordStrings", "[", "id", "]", "\n", "if", "!", "ok", "{", "return", "\"", "\"", "\n", "}", "\n", "return", "str", "\n", "}" ]
// KeywordString returns the string corresponding to the given keyword
[ "KeywordString", "returns", "the", "string", "corresponding", "to", "the", "given", "keyword" ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/sqlparser/token.go#L425-L431
157,979
vitessio/vitess
go/vt/sqlparser/token.go
Lex
func (tkn *Tokenizer) Lex(lval *yySymType) int { if tkn.SkipToEnd { return tkn.skipStatement() } typ, val := tkn.Scan() for typ == COMMENT { if tkn.AllowComments { break } typ, val = tkn.Scan() } if typ == 0 || typ == ';' || typ == LEX_ERROR { // If encounter end of statement or invalid token, // we should not accept partially parsed DDLs. They // should instead result in parser errors. See the // Parse function to see how this is handled. tkn.partialDDL = nil } lval.bytes = val tkn.lastToken = val return typ }
go
func (tkn *Tokenizer) Lex(lval *yySymType) int { if tkn.SkipToEnd { return tkn.skipStatement() } typ, val := tkn.Scan() for typ == COMMENT { if tkn.AllowComments { break } typ, val = tkn.Scan() } if typ == 0 || typ == ';' || typ == LEX_ERROR { // If encounter end of statement or invalid token, // we should not accept partially parsed DDLs. They // should instead result in parser errors. See the // Parse function to see how this is handled. tkn.partialDDL = nil } lval.bytes = val tkn.lastToken = val return typ }
[ "func", "(", "tkn", "*", "Tokenizer", ")", "Lex", "(", "lval", "*", "yySymType", ")", "int", "{", "if", "tkn", ".", "SkipToEnd", "{", "return", "tkn", ".", "skipStatement", "(", ")", "\n", "}", "\n\n", "typ", ",", "val", ":=", "tkn", ".", "Scan", "(", ")", "\n", "for", "typ", "==", "COMMENT", "{", "if", "tkn", ".", "AllowComments", "{", "break", "\n", "}", "\n", "typ", ",", "val", "=", "tkn", ".", "Scan", "(", ")", "\n", "}", "\n", "if", "typ", "==", "0", "||", "typ", "==", "';'", "||", "typ", "==", "LEX_ERROR", "{", "// If encounter end of statement or invalid token,", "// we should not accept partially parsed DDLs. They", "// should instead result in parser errors. See the", "// Parse function to see how this is handled.", "tkn", ".", "partialDDL", "=", "nil", "\n", "}", "\n", "lval", ".", "bytes", "=", "val", "\n", "tkn", ".", "lastToken", "=", "val", "\n", "return", "typ", "\n", "}" ]
// Lex returns the next token form the Tokenizer. // This function is used by go yacc.
[ "Lex", "returns", "the", "next", "token", "form", "the", "Tokenizer", ".", "This", "function", "is", "used", "by", "go", "yacc", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/sqlparser/token.go#L435-L457
157,980
vitessio/vitess
go/vt/sqlparser/token.go
Error
func (tkn *Tokenizer) Error(err string) { buf := &bytes2.Buffer{} if tkn.lastToken != nil { fmt.Fprintf(buf, "%s at position %v near '%s'", err, tkn.Position, tkn.lastToken) } else { fmt.Fprintf(buf, "%s at position %v", err, tkn.Position) } tkn.LastError = errors.New(buf.String()) // Try and re-sync to the next statement tkn.skipStatement() }
go
func (tkn *Tokenizer) Error(err string) { buf := &bytes2.Buffer{} if tkn.lastToken != nil { fmt.Fprintf(buf, "%s at position %v near '%s'", err, tkn.Position, tkn.lastToken) } else { fmt.Fprintf(buf, "%s at position %v", err, tkn.Position) } tkn.LastError = errors.New(buf.String()) // Try and re-sync to the next statement tkn.skipStatement() }
[ "func", "(", "tkn", "*", "Tokenizer", ")", "Error", "(", "err", "string", ")", "{", "buf", ":=", "&", "bytes2", ".", "Buffer", "{", "}", "\n", "if", "tkn", ".", "lastToken", "!=", "nil", "{", "fmt", ".", "Fprintf", "(", "buf", ",", "\"", "\"", ",", "err", ",", "tkn", ".", "Position", ",", "tkn", ".", "lastToken", ")", "\n", "}", "else", "{", "fmt", ".", "Fprintf", "(", "buf", ",", "\"", "\"", ",", "err", ",", "tkn", ".", "Position", ")", "\n", "}", "\n", "tkn", ".", "LastError", "=", "errors", ".", "New", "(", "buf", ".", "String", "(", ")", ")", "\n\n", "// Try and re-sync to the next statement", "tkn", ".", "skipStatement", "(", ")", "\n", "}" ]
// Error is called by go yacc if there's a parsing error.
[ "Error", "is", "called", "by", "go", "yacc", "if", "there", "s", "a", "parsing", "error", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/sqlparser/token.go#L460-L471
157,981
vitessio/vitess
go/vt/sqlparser/token.go
skipStatement
func (tkn *Tokenizer) skipStatement() int { tkn.SkipToEnd = false for { typ, _ := tkn.Scan() if typ == 0 || typ == ';' || typ == LEX_ERROR { return typ } } }
go
func (tkn *Tokenizer) skipStatement() int { tkn.SkipToEnd = false for { typ, _ := tkn.Scan() if typ == 0 || typ == ';' || typ == LEX_ERROR { return typ } } }
[ "func", "(", "tkn", "*", "Tokenizer", ")", "skipStatement", "(", ")", "int", "{", "tkn", ".", "SkipToEnd", "=", "false", "\n", "for", "{", "typ", ",", "_", ":=", "tkn", ".", "Scan", "(", ")", "\n", "if", "typ", "==", "0", "||", "typ", "==", "';'", "||", "typ", "==", "LEX_ERROR", "{", "return", "typ", "\n", "}", "\n", "}", "\n", "}" ]
// skipStatement scans until end of statement.
[ "skipStatement", "scans", "until", "end", "of", "statement", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/sqlparser/token.go#L633-L641
157,982
vitessio/vitess
go/vt/vtctl/vtctlclient/wrapper.go
RunCommandAndWait
func RunCommandAndWait(ctx context.Context, server string, args []string, recv func(*logutilpb.Event)) error { if recv == nil { return errors.New("no function closure for Event stream specified") } // create the client client, err := New(server) if err != nil { return fmt.Errorf("cannot dial to server %v: %v", server, err) } defer client.Close() // run the command ( get the timeout from the context ) timeout := defaultTimeout deadline, ok := ctx.Deadline() if ok { timeout = time.Until(deadline) } stream, err := client.ExecuteVtctlCommand(ctx, args, timeout) if err != nil { return fmt.Errorf("cannot execute remote command: %v", err) } // stream the result for { e, err := stream.Recv() switch err { case nil: recv(e) case io.EOF: return nil default: return fmt.Errorf("remote error: %v", err) } } }
go
func RunCommandAndWait(ctx context.Context, server string, args []string, recv func(*logutilpb.Event)) error { if recv == nil { return errors.New("no function closure for Event stream specified") } // create the client client, err := New(server) if err != nil { return fmt.Errorf("cannot dial to server %v: %v", server, err) } defer client.Close() // run the command ( get the timeout from the context ) timeout := defaultTimeout deadline, ok := ctx.Deadline() if ok { timeout = time.Until(deadline) } stream, err := client.ExecuteVtctlCommand(ctx, args, timeout) if err != nil { return fmt.Errorf("cannot execute remote command: %v", err) } // stream the result for { e, err := stream.Recv() switch err { case nil: recv(e) case io.EOF: return nil default: return fmt.Errorf("remote error: %v", err) } } }
[ "func", "RunCommandAndWait", "(", "ctx", "context", ".", "Context", ",", "server", "string", ",", "args", "[", "]", "string", ",", "recv", "func", "(", "*", "logutilpb", ".", "Event", ")", ")", "error", "{", "if", "recv", "==", "nil", "{", "return", "errors", ".", "New", "(", "\"", "\"", ")", "\n", "}", "\n", "// create the client", "client", ",", "err", ":=", "New", "(", "server", ")", "\n", "if", "err", "!=", "nil", "{", "return", "fmt", ".", "Errorf", "(", "\"", "\"", ",", "server", ",", "err", ")", "\n", "}", "\n", "defer", "client", ".", "Close", "(", ")", "\n\n", "// run the command ( get the timeout from the context )", "timeout", ":=", "defaultTimeout", "\n", "deadline", ",", "ok", ":=", "ctx", ".", "Deadline", "(", ")", "\n", "if", "ok", "{", "timeout", "=", "time", ".", "Until", "(", "deadline", ")", "\n", "}", "\n", "stream", ",", "err", ":=", "client", ".", "ExecuteVtctlCommand", "(", "ctx", ",", "args", ",", "timeout", ")", "\n", "if", "err", "!=", "nil", "{", "return", "fmt", ".", "Errorf", "(", "\"", "\"", ",", "err", ")", "\n", "}", "\n\n", "// stream the result", "for", "{", "e", ",", "err", ":=", "stream", ".", "Recv", "(", ")", "\n", "switch", "err", "{", "case", "nil", ":", "recv", "(", "e", ")", "\n", "case", "io", ".", "EOF", ":", "return", "nil", "\n", "default", ":", "return", "fmt", ".", "Errorf", "(", "\"", "\"", ",", "err", ")", "\n", "}", "\n", "}", "\n", "}" ]
// RunCommandAndWait executes a single command on a given vtctld and blocks until the command did return or timed out. // Output from vtctld is streamed as logutilpb.Event messages which // have to be consumed by the caller who has to specify a "recv" function.
[ "RunCommandAndWait", "executes", "a", "single", "command", "on", "a", "given", "vtctld", "and", "blocks", "until", "the", "command", "did", "return", "or", "timed", "out", ".", "Output", "from", "vtctld", "is", "streamed", "as", "logutilpb", ".", "Event", "messages", "which", "have", "to", "be", "consumed", "by", "the", "caller", "who", "has", "to", "specify", "a", "recv", "function", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtctl/vtctlclient/wrapper.go#L37-L71
157,983
vitessio/vitess
go/vt/wrangler/hook.go
ExecuteHook
func (wr *Wrangler) ExecuteHook(ctx context.Context, tabletAlias *topodatapb.TabletAlias, hook *hk.Hook) (hookResult *hk.HookResult, err error) { if strings.Contains(hook.Name, "/") { return nil, fmt.Errorf("hook name cannot have a '/' in it") } ti, err := wr.ts.GetTablet(ctx, tabletAlias) if err != nil { return nil, err } return wr.ExecuteTabletHook(ctx, ti.Tablet, hook) }
go
func (wr *Wrangler) ExecuteHook(ctx context.Context, tabletAlias *topodatapb.TabletAlias, hook *hk.Hook) (hookResult *hk.HookResult, err error) { if strings.Contains(hook.Name, "/") { return nil, fmt.Errorf("hook name cannot have a '/' in it") } ti, err := wr.ts.GetTablet(ctx, tabletAlias) if err != nil { return nil, err } return wr.ExecuteTabletHook(ctx, ti.Tablet, hook) }
[ "func", "(", "wr", "*", "Wrangler", ")", "ExecuteHook", "(", "ctx", "context", ".", "Context", ",", "tabletAlias", "*", "topodatapb", ".", "TabletAlias", ",", "hook", "*", "hk", ".", "Hook", ")", "(", "hookResult", "*", "hk", ".", "HookResult", ",", "err", "error", ")", "{", "if", "strings", ".", "Contains", "(", "hook", ".", "Name", ",", "\"", "\"", ")", "{", "return", "nil", ",", "fmt", ".", "Errorf", "(", "\"", "\"", ")", "\n", "}", "\n", "ti", ",", "err", ":=", "wr", ".", "ts", ".", "GetTablet", "(", "ctx", ",", "tabletAlias", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "err", "\n", "}", "\n", "return", "wr", ".", "ExecuteTabletHook", "(", "ctx", ",", "ti", ".", "Tablet", ",", "hook", ")", "\n", "}" ]
// ExecuteHook will run the hook on the tablet
[ "ExecuteHook", "will", "run", "the", "hook", "on", "the", "tablet" ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/wrangler/hook.go#L30-L39
157,984
vitessio/vitess
go/vt/wrangler/hook.go
ExecuteTabletHook
func (wr *Wrangler) ExecuteTabletHook(ctx context.Context, tablet *topodatapb.Tablet, hook *hk.Hook) (hookResult *hk.HookResult, err error) { return wr.tmc.ExecuteHook(ctx, tablet, hook) }
go
func (wr *Wrangler) ExecuteTabletHook(ctx context.Context, tablet *topodatapb.Tablet, hook *hk.Hook) (hookResult *hk.HookResult, err error) { return wr.tmc.ExecuteHook(ctx, tablet, hook) }
[ "func", "(", "wr", "*", "Wrangler", ")", "ExecuteTabletHook", "(", "ctx", "context", ".", "Context", ",", "tablet", "*", "topodatapb", ".", "Tablet", ",", "hook", "*", "hk", ".", "Hook", ")", "(", "hookResult", "*", "hk", ".", "HookResult", ",", "err", "error", ")", "{", "return", "wr", ".", "tmc", ".", "ExecuteHook", "(", "ctx", ",", "tablet", ",", "hook", ")", "\n", "}" ]
// ExecuteTabletHook will run the hook on the provided tablet.
[ "ExecuteTabletHook", "will", "run", "the", "hook", "on", "the", "provided", "tablet", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/wrangler/hook.go#L42-L44
157,985
vitessio/vitess
go/vt/worker/panic.go
NewPanicWorker
func NewPanicWorker(wr *wrangler.Wrangler) (Worker, error) { return &PanicWorker{ StatusWorker: NewStatusWorker(), wr: wr, }, nil }
go
func NewPanicWorker(wr *wrangler.Wrangler) (Worker, error) { return &PanicWorker{ StatusWorker: NewStatusWorker(), wr: wr, }, nil }
[ "func", "NewPanicWorker", "(", "wr", "*", "wrangler", ".", "Wrangler", ")", "(", "Worker", ",", "error", ")", "{", "return", "&", "PanicWorker", "{", "StatusWorker", ":", "NewStatusWorker", "(", ")", ",", "wr", ":", "wr", ",", "}", ",", "nil", "\n", "}" ]
// NewPanicWorker returns a new PanicWorker object.
[ "NewPanicWorker", "returns", "a", "new", "PanicWorker", "object", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/worker/panic.go#L36-L41
157,986
vitessio/vitess
go/sqltypes/query_response.go
QueryResponsesEqual
func QueryResponsesEqual(r1, r2 []QueryResponse) bool { if len(r1) != len(r2) { return false } for i, r := range r1 { if !r.QueryResult.Equal(r2[i].QueryResult) { return false } if !vterrors.Equals(r.QueryError, r2[i].QueryError) { return false } } return true }
go
func QueryResponsesEqual(r1, r2 []QueryResponse) bool { if len(r1) != len(r2) { return false } for i, r := range r1 { if !r.QueryResult.Equal(r2[i].QueryResult) { return false } if !vterrors.Equals(r.QueryError, r2[i].QueryError) { return false } } return true }
[ "func", "QueryResponsesEqual", "(", "r1", ",", "r2", "[", "]", "QueryResponse", ")", "bool", "{", "if", "len", "(", "r1", ")", "!=", "len", "(", "r2", ")", "{", "return", "false", "\n", "}", "\n", "for", "i", ",", "r", ":=", "range", "r1", "{", "if", "!", "r", ".", "QueryResult", ".", "Equal", "(", "r2", "[", "i", "]", ".", "QueryResult", ")", "{", "return", "false", "\n", "}", "\n", "if", "!", "vterrors", ".", "Equals", "(", "r", ".", "QueryError", ",", "r2", "[", "i", "]", ".", "QueryError", ")", "{", "return", "false", "\n", "}", "\n", "}", "\n", "return", "true", "\n", "}" ]
// QueryResponsesEqual compares two arrays of QueryResponse. // They contain protos, so we cannot use reflect.DeepEqual.
[ "QueryResponsesEqual", "compares", "two", "arrays", "of", "QueryResponse", ".", "They", "contain", "protos", "so", "we", "cannot", "use", "reflect", ".", "DeepEqual", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/sqltypes/query_response.go#L31-L44
157,987
vitessio/vitess
go/vt/worker/vtworkerclient/wrapper.go
RunCommandAndWait
func RunCommandAndWait(ctx context.Context, server string, args []string, recv func(*logutilpb.Event)) error { if recv == nil { panic("no function closure for Event stream specified") } // create the client client, err := New(server) if err != nil { return vterrors.Wrapf(err, "cannot dial to server %v", server) } defer client.Close() // run the command stream, err := client.ExecuteVtworkerCommand(ctx, args) if err != nil { return vterrors.Wrap(err, "cannot execute remote command") } for { e, err := stream.Recv() switch err { case nil: recv(e) case io.EOF: return nil default: return vterrors.Wrap(err, "stream error") } } }
go
func RunCommandAndWait(ctx context.Context, server string, args []string, recv func(*logutilpb.Event)) error { if recv == nil { panic("no function closure for Event stream specified") } // create the client client, err := New(server) if err != nil { return vterrors.Wrapf(err, "cannot dial to server %v", server) } defer client.Close() // run the command stream, err := client.ExecuteVtworkerCommand(ctx, args) if err != nil { return vterrors.Wrap(err, "cannot execute remote command") } for { e, err := stream.Recv() switch err { case nil: recv(e) case io.EOF: return nil default: return vterrors.Wrap(err, "stream error") } } }
[ "func", "RunCommandAndWait", "(", "ctx", "context", ".", "Context", ",", "server", "string", ",", "args", "[", "]", "string", ",", "recv", "func", "(", "*", "logutilpb", ".", "Event", ")", ")", "error", "{", "if", "recv", "==", "nil", "{", "panic", "(", "\"", "\"", ")", "\n", "}", "\n", "// create the client", "client", ",", "err", ":=", "New", "(", "server", ")", "\n", "if", "err", "!=", "nil", "{", "return", "vterrors", ".", "Wrapf", "(", "err", ",", "\"", "\"", ",", "server", ")", "\n", "}", "\n", "defer", "client", ".", "Close", "(", ")", "\n\n", "// run the command", "stream", ",", "err", ":=", "client", ".", "ExecuteVtworkerCommand", "(", "ctx", ",", "args", ")", "\n", "if", "err", "!=", "nil", "{", "return", "vterrors", ".", "Wrap", "(", "err", ",", "\"", "\"", ")", "\n", "}", "\n\n", "for", "{", "e", ",", "err", ":=", "stream", ".", "Recv", "(", ")", "\n", "switch", "err", "{", "case", "nil", ":", "recv", "(", "e", ")", "\n", "case", "io", ".", "EOF", ":", "return", "nil", "\n", "default", ":", "return", "vterrors", ".", "Wrap", "(", "err", ",", "\"", "\"", ")", "\n", "}", "\n", "}", "\n", "}" ]
// RunCommandAndWait executes a single command on a given vtworker and blocks until the command did return or timed out. // Output from vtworker is streamed as logutil.Event messages which // have to be consumed by the caller who has to specify a "recv" function.
[ "RunCommandAndWait", "executes", "a", "single", "command", "on", "a", "given", "vtworker", "and", "blocks", "until", "the", "command", "did", "return", "or", "timed", "out", ".", "Output", "from", "vtworker", "is", "streamed", "as", "logutil", ".", "Event", "messages", "which", "have", "to", "be", "consumed", "by", "the", "caller", "who", "has", "to", "specify", "a", "recv", "function", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/worker/vtworkerclient/wrapper.go#L32-L60
157,988
vitessio/vitess
go/vt/vttablet/tabletconn/grpc_error.go
ErrorFromGRPC
func ErrorFromGRPC(err error) error { // io.EOF is end of stream. Don't treat it as an error. if err == nil || err == io.EOF { return nil } code := codes.Unknown if s, ok := status.FromError(err); ok { code = s.Code() } return vterrors.Errorf(vtrpcpb.Code(code), "vttablet: %v", err) }
go
func ErrorFromGRPC(err error) error { // io.EOF is end of stream. Don't treat it as an error. if err == nil || err == io.EOF { return nil } code := codes.Unknown if s, ok := status.FromError(err); ok { code = s.Code() } return vterrors.Errorf(vtrpcpb.Code(code), "vttablet: %v", err) }
[ "func", "ErrorFromGRPC", "(", "err", "error", ")", "error", "{", "// io.EOF is end of stream. Don't treat it as an error.", "if", "err", "==", "nil", "||", "err", "==", "io", ".", "EOF", "{", "return", "nil", "\n", "}", "\n", "code", ":=", "codes", ".", "Unknown", "\n", "if", "s", ",", "ok", ":=", "status", ".", "FromError", "(", "err", ")", ";", "ok", "{", "code", "=", "s", ".", "Code", "(", ")", "\n", "}", "\n", "return", "vterrors", ".", "Errorf", "(", "vtrpcpb", ".", "Code", "(", "code", ")", ",", "\"", "\"", ",", "err", ")", "\n", "}" ]
// ErrorFromGRPC converts a GRPC error to vtError for // tabletserver calls.
[ "ErrorFromGRPC", "converts", "a", "GRPC", "error", "to", "vtError", "for", "tabletserver", "calls", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/tabletconn/grpc_error.go#L31-L41
157,989
vitessio/vitess
go/vt/vttablet/endtoend/framework/debugvars.go
FetchJSON
func FetchJSON(urlPath string) map[string]interface{} { out := map[string]interface{}{} response, err := http.Get(fmt.Sprintf("%s%s", ServerAddress, urlPath)) if err != nil { return out } defer response.Body.Close() _ = json.NewDecoder(response.Body).Decode(&out) return out }
go
func FetchJSON(urlPath string) map[string]interface{} { out := map[string]interface{}{} response, err := http.Get(fmt.Sprintf("%s%s", ServerAddress, urlPath)) if err != nil { return out } defer response.Body.Close() _ = json.NewDecoder(response.Body).Decode(&out) return out }
[ "func", "FetchJSON", "(", "urlPath", "string", ")", "map", "[", "string", "]", "interface", "{", "}", "{", "out", ":=", "map", "[", "string", "]", "interface", "{", "}", "{", "}", "\n", "response", ",", "err", ":=", "http", ".", "Get", "(", "fmt", ".", "Sprintf", "(", "\"", "\"", ",", "ServerAddress", ",", "urlPath", ")", ")", "\n", "if", "err", "!=", "nil", "{", "return", "out", "\n", "}", "\n", "defer", "response", ".", "Body", ".", "Close", "(", ")", "\n", "_", "=", "json", ".", "NewDecoder", "(", "response", ".", "Body", ")", ".", "Decode", "(", "&", "out", ")", "\n", "return", "out", "\n", "}" ]
// FetchJSON fetches JSON content from the specified URL path and returns it // as a map. The function returns an empty map on error.
[ "FetchJSON", "fetches", "JSON", "content", "from", "the", "specified", "URL", "path", "and", "returns", "it", "as", "a", "map", ".", "The", "function", "returns", "an", "empty", "map", "on", "error", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/endtoend/framework/debugvars.go#L29-L38
157,990
vitessio/vitess
go/vt/vttablet/endtoend/framework/debugvars.go
FetchInt
func FetchInt(vars map[string]interface{}, tags string) int { val, _ := FetchVal(vars, tags).(float64) return int(val) }
go
func FetchInt(vars map[string]interface{}, tags string) int { val, _ := FetchVal(vars, tags).(float64) return int(val) }
[ "func", "FetchInt", "(", "vars", "map", "[", "string", "]", "interface", "{", "}", ",", "tags", "string", ")", "int", "{", "val", ",", "_", ":=", "FetchVal", "(", "vars", ",", "tags", ")", ".", "(", "float64", ")", "\n", "return", "int", "(", "val", ")", "\n", "}" ]
// FetchInt fetches the specified slash-separated tag and returns the // value as an int. It returns 0 on error, or if not found.
[ "FetchInt", "fetches", "the", "specified", "slash", "-", "separated", "tag", "and", "returns", "the", "value", "as", "an", "int", ".", "It", "returns", "0", "on", "error", "or", "if", "not", "found", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/endtoend/framework/debugvars.go#L48-L51
157,991
vitessio/vitess
go/vt/vttablet/endtoend/framework/debugvars.go
FetchVal
func FetchVal(vars map[string]interface{}, tags string) interface{} { splitTags := strings.Split(tags, "/") if len(tags) == 0 { return nil } current := vars for _, tag := range splitTags[:len(splitTags)-1] { icur, ok := current[tag] if !ok { return nil } current, ok = icur.(map[string]interface{}) if !ok { return nil } } return current[splitTags[len(splitTags)-1]] }
go
func FetchVal(vars map[string]interface{}, tags string) interface{} { splitTags := strings.Split(tags, "/") if len(tags) == 0 { return nil } current := vars for _, tag := range splitTags[:len(splitTags)-1] { icur, ok := current[tag] if !ok { return nil } current, ok = icur.(map[string]interface{}) if !ok { return nil } } return current[splitTags[len(splitTags)-1]] }
[ "func", "FetchVal", "(", "vars", "map", "[", "string", "]", "interface", "{", "}", ",", "tags", "string", ")", "interface", "{", "}", "{", "splitTags", ":=", "strings", ".", "Split", "(", "tags", ",", "\"", "\"", ")", "\n", "if", "len", "(", "tags", ")", "==", "0", "{", "return", "nil", "\n", "}", "\n", "current", ":=", "vars", "\n", "for", "_", ",", "tag", ":=", "range", "splitTags", "[", ":", "len", "(", "splitTags", ")", "-", "1", "]", "{", "icur", ",", "ok", ":=", "current", "[", "tag", "]", "\n", "if", "!", "ok", "{", "return", "nil", "\n", "}", "\n", "current", ",", "ok", "=", "icur", ".", "(", "map", "[", "string", "]", "interface", "{", "}", ")", "\n", "if", "!", "ok", "{", "return", "nil", "\n", "}", "\n", "}", "\n", "return", "current", "[", "splitTags", "[", "len", "(", "splitTags", ")", "-", "1", "]", "]", "\n", "}" ]
// FetchVal fetches the specified slash-separated tag and returns the // value as an interface. It returns nil on error, or if not found.
[ "FetchVal", "fetches", "the", "specified", "slash", "-", "separated", "tag", "and", "returns", "the", "value", "as", "an", "interface", ".", "It", "returns", "nil", "on", "error", "or", "if", "not", "found", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/endtoend/framework/debugvars.go#L55-L72
157,992
vitessio/vitess
go/vt/vttablet/endtoend/framework/debugvars.go
FetchURL
func FetchURL(urlPath string) string { response, err := http.Get(fmt.Sprintf("%s%s", ServerAddress, urlPath)) if err != nil { return "" } defer response.Body.Close() b, err := ioutil.ReadAll(response.Body) if err != nil { return "" } return string(b) }
go
func FetchURL(urlPath string) string { response, err := http.Get(fmt.Sprintf("%s%s", ServerAddress, urlPath)) if err != nil { return "" } defer response.Body.Close() b, err := ioutil.ReadAll(response.Body) if err != nil { return "" } return string(b) }
[ "func", "FetchURL", "(", "urlPath", "string", ")", "string", "{", "response", ",", "err", ":=", "http", ".", "Get", "(", "fmt", ".", "Sprintf", "(", "\"", "\"", ",", "ServerAddress", ",", "urlPath", ")", ")", "\n", "if", "err", "!=", "nil", "{", "return", "\"", "\"", "\n", "}", "\n", "defer", "response", ".", "Body", ".", "Close", "(", ")", "\n", "b", ",", "err", ":=", "ioutil", ".", "ReadAll", "(", "response", ".", "Body", ")", "\n", "if", "err", "!=", "nil", "{", "return", "\"", "\"", "\n", "}", "\n", "return", "string", "(", "b", ")", "\n", "}" ]
// FetchURL fetches the content from the specified URL path and returns it // as a string. The function returns an empty string on error.
[ "FetchURL", "fetches", "the", "content", "from", "the", "specified", "URL", "path", "and", "returns", "it", "as", "a", "string", ".", "The", "function", "returns", "an", "empty", "string", "on", "error", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/endtoend/framework/debugvars.go#L76-L87
157,993
vitessio/vitess
go/vt/vttablet/tabletserver/codex.go
buildValueList
func buildValueList(table *schema.Table, pkValues []sqltypes.PlanValue, bindVars map[string]*querypb.BindVariable) ([][]sqltypes.Value, error) { rows, err := sqltypes.ResolveRows(pkValues, bindVars) if err != nil { return nil, err } // Iterate by columns. for j := range pkValues { typ := table.GetPKColumn(j).Type for i := range rows { rows[i][j], err = sqltypes.Cast(rows[i][j], typ) if err != nil { return nil, err } } } return rows, nil }
go
func buildValueList(table *schema.Table, pkValues []sqltypes.PlanValue, bindVars map[string]*querypb.BindVariable) ([][]sqltypes.Value, error) { rows, err := sqltypes.ResolveRows(pkValues, bindVars) if err != nil { return nil, err } // Iterate by columns. for j := range pkValues { typ := table.GetPKColumn(j).Type for i := range rows { rows[i][j], err = sqltypes.Cast(rows[i][j], typ) if err != nil { return nil, err } } } return rows, nil }
[ "func", "buildValueList", "(", "table", "*", "schema", ".", "Table", ",", "pkValues", "[", "]", "sqltypes", ".", "PlanValue", ",", "bindVars", "map", "[", "string", "]", "*", "querypb", ".", "BindVariable", ")", "(", "[", "]", "[", "]", "sqltypes", ".", "Value", ",", "error", ")", "{", "rows", ",", "err", ":=", "sqltypes", ".", "ResolveRows", "(", "pkValues", ",", "bindVars", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "err", "\n", "}", "\n", "// Iterate by columns.", "for", "j", ":=", "range", "pkValues", "{", "typ", ":=", "table", ".", "GetPKColumn", "(", "j", ")", ".", "Type", "\n", "for", "i", ":=", "range", "rows", "{", "rows", "[", "i", "]", "[", "j", "]", ",", "err", "=", "sqltypes", ".", "Cast", "(", "rows", "[", "i", "]", "[", "j", "]", ",", "typ", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "err", "\n", "}", "\n", "}", "\n", "}", "\n", "return", "rows", ",", "nil", "\n", "}" ]
// buildValueList builds the set of PK reference rows used to drive the next query. // It uses the PK values supplied in the original query and bind variables. // The generated reference rows are validated for type match against the PK of the table.
[ "buildValueList", "builds", "the", "set", "of", "PK", "reference", "rows", "used", "to", "drive", "the", "next", "query", ".", "It", "uses", "the", "PK", "values", "supplied", "in", "the", "original", "query", "and", "bind", "variables", ".", "The", "generated", "reference", "rows", "are", "validated", "for", "type", "match", "against", "the", "PK", "of", "the", "table", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/tabletserver/codex.go#L32-L48
157,994
vitessio/vitess
go/vt/vttablet/tabletserver/codex.go
buildSecondaryList
func buildSecondaryList(table *schema.Table, pkList [][]sqltypes.Value, secondaryList []sqltypes.PlanValue, bindVars map[string]*querypb.BindVariable) ([][]sqltypes.Value, error) { if secondaryList == nil { return nil, nil } secondaryRows, err := sqltypes.ResolveRows(secondaryList, bindVars) if err != nil { return nil, err } rows := make([][]sqltypes.Value, len(pkList)) for i, row := range pkList { // If secondaryRows has only one row, then that // row should be duplicated for every row in pkList. // Otherwise, we use the individual values. var changedValues []sqltypes.Value if len(secondaryRows) == 1 { changedValues = secondaryRows[0] } else { changedValues = secondaryRows[i] } rows[i] = make([]sqltypes.Value, len(row)) for j, value := range row { if changedValues[j].IsNull() { rows[i][j] = value } else { rows[i][j] = changedValues[j] } } } return rows, nil }
go
func buildSecondaryList(table *schema.Table, pkList [][]sqltypes.Value, secondaryList []sqltypes.PlanValue, bindVars map[string]*querypb.BindVariable) ([][]sqltypes.Value, error) { if secondaryList == nil { return nil, nil } secondaryRows, err := sqltypes.ResolveRows(secondaryList, bindVars) if err != nil { return nil, err } rows := make([][]sqltypes.Value, len(pkList)) for i, row := range pkList { // If secondaryRows has only one row, then that // row should be duplicated for every row in pkList. // Otherwise, we use the individual values. var changedValues []sqltypes.Value if len(secondaryRows) == 1 { changedValues = secondaryRows[0] } else { changedValues = secondaryRows[i] } rows[i] = make([]sqltypes.Value, len(row)) for j, value := range row { if changedValues[j].IsNull() { rows[i][j] = value } else { rows[i][j] = changedValues[j] } } } return rows, nil }
[ "func", "buildSecondaryList", "(", "table", "*", "schema", ".", "Table", ",", "pkList", "[", "]", "[", "]", "sqltypes", ".", "Value", ",", "secondaryList", "[", "]", "sqltypes", ".", "PlanValue", ",", "bindVars", "map", "[", "string", "]", "*", "querypb", ".", "BindVariable", ")", "(", "[", "]", "[", "]", "sqltypes", ".", "Value", ",", "error", ")", "{", "if", "secondaryList", "==", "nil", "{", "return", "nil", ",", "nil", "\n", "}", "\n", "secondaryRows", ",", "err", ":=", "sqltypes", ".", "ResolveRows", "(", "secondaryList", ",", "bindVars", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "err", "\n", "}", "\n", "rows", ":=", "make", "(", "[", "]", "[", "]", "sqltypes", ".", "Value", ",", "len", "(", "pkList", ")", ")", "\n", "for", "i", ",", "row", ":=", "range", "pkList", "{", "// If secondaryRows has only one row, then that", "// row should be duplicated for every row in pkList.", "// Otherwise, we use the individual values.", "var", "changedValues", "[", "]", "sqltypes", ".", "Value", "\n", "if", "len", "(", "secondaryRows", ")", "==", "1", "{", "changedValues", "=", "secondaryRows", "[", "0", "]", "\n", "}", "else", "{", "changedValues", "=", "secondaryRows", "[", "i", "]", "\n", "}", "\n", "rows", "[", "i", "]", "=", "make", "(", "[", "]", "sqltypes", ".", "Value", ",", "len", "(", "row", ")", ")", "\n", "for", "j", ",", "value", ":=", "range", "row", "{", "if", "changedValues", "[", "j", "]", ".", "IsNull", "(", ")", "{", "rows", "[", "i", "]", "[", "j", "]", "=", "value", "\n", "}", "else", "{", "rows", "[", "i", "]", "[", "j", "]", "=", "changedValues", "[", "j", "]", "\n", "}", "\n", "}", "\n", "}", "\n", "return", "rows", ",", "nil", "\n", "}" ]
// buildSecondaryList is used for handling ON DUPLICATE DMLs, or those that change the PK.
[ "buildSecondaryList", "is", "used", "for", "handling", "ON", "DUPLICATE", "DMLs", "or", "those", "that", "change", "the", "PK", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/tabletserver/codex.go#L51-L80
157,995
vitessio/vitess
go/vt/vttablet/tabletserver/codex.go
resolveNumber
func resolveNumber(pv sqltypes.PlanValue, bindVars map[string]*querypb.BindVariable) (int64, error) { v, err := pv.ResolveValue(bindVars) if err != nil { return 0, err } ret, err := sqltypes.ToInt64(v) if err != nil { return 0, err } return ret, nil }
go
func resolveNumber(pv sqltypes.PlanValue, bindVars map[string]*querypb.BindVariable) (int64, error) { v, err := pv.ResolveValue(bindVars) if err != nil { return 0, err } ret, err := sqltypes.ToInt64(v) if err != nil { return 0, err } return ret, nil }
[ "func", "resolveNumber", "(", "pv", "sqltypes", ".", "PlanValue", ",", "bindVars", "map", "[", "string", "]", "*", "querypb", ".", "BindVariable", ")", "(", "int64", ",", "error", ")", "{", "v", ",", "err", ":=", "pv", ".", "ResolveValue", "(", "bindVars", ")", "\n", "if", "err", "!=", "nil", "{", "return", "0", ",", "err", "\n", "}", "\n", "ret", ",", "err", ":=", "sqltypes", ".", "ToInt64", "(", "v", ")", "\n", "if", "err", "!=", "nil", "{", "return", "0", ",", "err", "\n", "}", "\n", "return", "ret", ",", "nil", "\n", "}" ]
// resolveNumber extracts a number from a bind variable or sql value.
[ "resolveNumber", "extracts", "a", "number", "from", "a", "bind", "variable", "or", "sql", "value", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/tabletserver/codex.go#L83-L93
157,996
vitessio/vitess
go/vt/vttablet/tabletserver/codex.go
unicoded
func unicoded(in string) (out string) { for i, v := range in { if v == 0xFFFD { return in[:i] } } return in }
go
func unicoded(in string) (out string) { for i, v := range in { if v == 0xFFFD { return in[:i] } } return in }
[ "func", "unicoded", "(", "in", "string", ")", "(", "out", "string", ")", "{", "for", "i", ",", "v", ":=", "range", "in", "{", "if", "v", "==", "0xFFFD", "{", "return", "in", "[", ":", "i", "]", "\n", "}", "\n", "}", "\n", "return", "in", "\n", "}" ]
// unicoded returns a valid UTF-8 string that json won't reject
[ "unicoded", "returns", "a", "valid", "UTF", "-", "8", "string", "that", "json", "won", "t", "reject" ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/tabletserver/codex.go#L162-L169
157,997
vitessio/vitess
go/vt/vtgate/planbuilder/jointab.go
newJointab
func newJointab(bindvars map[string]struct{}) *jointab { return &jointab{ refs: make(map[*column]string), vars: bindvars, } }
go
func newJointab(bindvars map[string]struct{}) *jointab { return &jointab{ refs: make(map[*column]string), vars: bindvars, } }
[ "func", "newJointab", "(", "bindvars", "map", "[", "string", "]", "struct", "{", "}", ")", "*", "jointab", "{", "return", "&", "jointab", "{", "refs", ":", "make", "(", "map", "[", "*", "column", "]", "string", ")", ",", "vars", ":", "bindvars", ",", "}", "\n", "}" ]
// newJointab creates a new jointab for the current plan // being built. It also needs the current list of bind vars // used in the original query to make sure that the names // it generates don't collide with those already in use.
[ "newJointab", "creates", "a", "new", "jointab", "for", "the", "current", "plan", "being", "built", ".", "It", "also", "needs", "the", "current", "list", "of", "bind", "vars", "used", "in", "the", "original", "query", "to", "make", "sure", "that", "the", "names", "it", "generates", "don", "t", "collide", "with", "those", "already", "in", "use", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/planbuilder/jointab.go#L37-L42
157,998
vitessio/vitess
go/vt/vtgate/planbuilder/jointab.go
Procure
func (jt *jointab) Procure(bldr builder, col *sqlparser.ColName, to int) string { from, joinVar := jt.Lookup(col) // If joinVar is empty, generate a unique name. if joinVar == "" { suffix := "" i := 0 for { if !col.Qualifier.IsEmpty() { joinVar = col.Qualifier.Name.CompliantName() + "_" + col.Name.CompliantName() + suffix } else { joinVar = col.Name.CompliantName() + suffix } if _, ok := jt.vars[joinVar]; !ok { break } i++ suffix = strconv.Itoa(i) } jt.vars[joinVar] = struct{}{} jt.refs[col.Metadata.(*column)] = joinVar } bldr.SupplyVar(from, to, col, joinVar) return joinVar }
go
func (jt *jointab) Procure(bldr builder, col *sqlparser.ColName, to int) string { from, joinVar := jt.Lookup(col) // If joinVar is empty, generate a unique name. if joinVar == "" { suffix := "" i := 0 for { if !col.Qualifier.IsEmpty() { joinVar = col.Qualifier.Name.CompliantName() + "_" + col.Name.CompliantName() + suffix } else { joinVar = col.Name.CompliantName() + suffix } if _, ok := jt.vars[joinVar]; !ok { break } i++ suffix = strconv.Itoa(i) } jt.vars[joinVar] = struct{}{} jt.refs[col.Metadata.(*column)] = joinVar } bldr.SupplyVar(from, to, col, joinVar) return joinVar }
[ "func", "(", "jt", "*", "jointab", ")", "Procure", "(", "bldr", "builder", ",", "col", "*", "sqlparser", ".", "ColName", ",", "to", "int", ")", "string", "{", "from", ",", "joinVar", ":=", "jt", ".", "Lookup", "(", "col", ")", "\n", "// If joinVar is empty, generate a unique name.", "if", "joinVar", "==", "\"", "\"", "{", "suffix", ":=", "\"", "\"", "\n", "i", ":=", "0", "\n", "for", "{", "if", "!", "col", ".", "Qualifier", ".", "IsEmpty", "(", ")", "{", "joinVar", "=", "col", ".", "Qualifier", ".", "Name", ".", "CompliantName", "(", ")", "+", "\"", "\"", "+", "col", ".", "Name", ".", "CompliantName", "(", ")", "+", "suffix", "\n", "}", "else", "{", "joinVar", "=", "col", ".", "Name", ".", "CompliantName", "(", ")", "+", "suffix", "\n", "}", "\n", "if", "_", ",", "ok", ":=", "jt", ".", "vars", "[", "joinVar", "]", ";", "!", "ok", "{", "break", "\n", "}", "\n", "i", "++", "\n", "suffix", "=", "strconv", ".", "Itoa", "(", "i", ")", "\n", "}", "\n", "jt", ".", "vars", "[", "joinVar", "]", "=", "struct", "{", "}", "{", "}", "\n", "jt", ".", "refs", "[", "col", ".", "Metadata", ".", "(", "*", "column", ")", "]", "=", "joinVar", "\n", "}", "\n", "bldr", ".", "SupplyVar", "(", "from", ",", "to", ",", "col", ",", "joinVar", ")", "\n", "return", "joinVar", "\n", "}" ]
// Procure requests for the specified column from the plan // and returns the join var name for it.
[ "Procure", "requests", "for", "the", "specified", "column", "from", "the", "plan", "and", "returns", "the", "join", "var", "name", "for", "it", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/planbuilder/jointab.go#L46-L69
157,999
vitessio/vitess
go/vt/vtgate/planbuilder/jointab.go
Lookup
func (jt *jointab) Lookup(col *sqlparser.ColName) (order int, joinVar string) { c := col.Metadata.(*column) return c.Origin().Order(), jt.refs[c] }
go
func (jt *jointab) Lookup(col *sqlparser.ColName) (order int, joinVar string) { c := col.Metadata.(*column) return c.Origin().Order(), jt.refs[c] }
[ "func", "(", "jt", "*", "jointab", ")", "Lookup", "(", "col", "*", "sqlparser", ".", "ColName", ")", "(", "order", "int", ",", "joinVar", "string", ")", "{", "c", ":=", "col", ".", "Metadata", ".", "(", "*", "column", ")", "\n", "return", "c", ".", "Origin", "(", ")", ".", "Order", "(", ")", ",", "jt", ".", "refs", "[", "c", "]", "\n", "}" ]
// Lookup returns the order of the route that supplies the column and // the join var name if one has already been assigned for it.
[ "Lookup", "returns", "the", "order", "of", "the", "route", "that", "supplies", "the", "column", "and", "the", "join", "var", "name", "if", "one", "has", "already", "been", "assigned", "for", "it", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/planbuilder/jointab.go#L100-L103