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vitessio/vitess | go/vt/vtgate/grpcvtgateservice/server.go | MessageAck | func (vtg *VTGate) MessageAck(ctx context.Context, request *vtgatepb.MessageAckRequest) (response *querypb.MessageAckResponse, err error) {
defer vtg.server.HandlePanic(&err)
ctx = withCallerIDContext(ctx, request.CallerId)
count, vtgErr := vtg.server.MessageAck(ctx, request.Keyspace, request.Name, request.Ids)
if vtgErr != nil {
return nil, vterrors.ToGRPC(vtgErr)
}
return &querypb.MessageAckResponse{
Result: &querypb.QueryResult{
RowsAffected: uint64(count),
},
}, nil
} | go | func (vtg *VTGate) MessageAck(ctx context.Context, request *vtgatepb.MessageAckRequest) (response *querypb.MessageAckResponse, err error) {
defer vtg.server.HandlePanic(&err)
ctx = withCallerIDContext(ctx, request.CallerId)
count, vtgErr := vtg.server.MessageAck(ctx, request.Keyspace, request.Name, request.Ids)
if vtgErr != nil {
return nil, vterrors.ToGRPC(vtgErr)
}
return &querypb.MessageAckResponse{
Result: &querypb.QueryResult{
RowsAffected: uint64(count),
},
}, nil
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/grpcvtgateservice/server.go#L424-L436 | train |
vitessio/vitess | go/vt/vtgate/grpcvtgateservice/server.go | SplitQuery | func (vtg *VTGate) SplitQuery(ctx context.Context, request *vtgatepb.SplitQueryRequest) (response *vtgatepb.SplitQueryResponse, err error) {
defer vtg.server.HandlePanic(&err)
ctx = withCallerIDContext(ctx, request.CallerId)
splits, vtgErr := vtg.server.SplitQuery(
ctx,
request.Keyspace,
request.Query.Sql,
request.Query.BindVariables,
request.SplitColumn,
request.SplitCount,
request.NumRowsPerQueryPart,
request.Algorithm)
if vtgErr != nil {
return nil, vterrors.ToGRPC(vtgErr)
}
return &vtgatepb.SplitQueryResponse{
Splits: splits,
}, nil
} | go | func (vtg *VTGate) SplitQuery(ctx context.Context, request *vtgatepb.SplitQueryRequest) (response *vtgatepb.SplitQueryResponse, err error) {
defer vtg.server.HandlePanic(&err)
ctx = withCallerIDContext(ctx, request.CallerId)
splits, vtgErr := vtg.server.SplitQuery(
ctx,
request.Keyspace,
request.Query.Sql,
request.Query.BindVariables,
request.SplitColumn,
request.SplitCount,
request.NumRowsPerQueryPart,
request.Algorithm)
if vtgErr != nil {
return nil, vterrors.ToGRPC(vtgErr)
}
return &vtgatepb.SplitQueryResponse{
Splits: splits,
}, nil
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/grpcvtgateservice/server.go#L455-L474 | train |
vitessio/vitess | go/vt/vtgate/grpcvtgateservice/server.go | GetSrvKeyspace | func (vtg *VTGate) GetSrvKeyspace(ctx context.Context, request *vtgatepb.GetSrvKeyspaceRequest) (response *vtgatepb.GetSrvKeyspaceResponse, err error) {
defer vtg.server.HandlePanic(&err)
sk, vtgErr := vtg.server.GetSrvKeyspace(ctx, request.Keyspace)
if vtgErr != nil {
return nil, vterrors.ToGRPC(vtgErr)
}
return &vtgatepb.GetSrvKeyspaceResponse{
SrvKeyspace: sk,
}, nil
} | go | func (vtg *VTGate) GetSrvKeyspace(ctx context.Context, request *vtgatepb.GetSrvKeyspaceRequest) (response *vtgatepb.GetSrvKeyspaceResponse, err error) {
defer vtg.server.HandlePanic(&err)
sk, vtgErr := vtg.server.GetSrvKeyspace(ctx, request.Keyspace)
if vtgErr != nil {
return nil, vterrors.ToGRPC(vtgErr)
}
return &vtgatepb.GetSrvKeyspaceResponse{
SrvKeyspace: sk,
}, nil
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/grpcvtgateservice/server.go#L477-L486 | train |
vitessio/vitess | go/vt/vtgate/grpcvtgateservice/server.go | UpdateStream | func (vtg *VTGate) UpdateStream(request *vtgatepb.UpdateStreamRequest, stream vtgateservicepb.Vitess_UpdateStreamServer) (err error) {
defer vtg.server.HandlePanic(&err)
ctx := withCallerIDContext(stream.Context(), request.CallerId)
vtgErr := vtg.server.UpdateStream(ctx,
request.Keyspace,
request.Shard,
request.KeyRange,
request.TabletType,
request.Timestamp,
request.Event,
func(event *querypb.StreamEvent, resumeTimestamp int64) error {
// Send is not safe to call concurrently, but vtgate
// guarantees that it's not.
return stream.Send(&vtgatepb.UpdateStreamResponse{
Event: event,
ResumeTimestamp: resumeTimestamp,
})
})
return vterrors.ToGRPC(vtgErr)
} | go | func (vtg *VTGate) UpdateStream(request *vtgatepb.UpdateStreamRequest, stream vtgateservicepb.Vitess_UpdateStreamServer) (err error) {
defer vtg.server.HandlePanic(&err)
ctx := withCallerIDContext(stream.Context(), request.CallerId)
vtgErr := vtg.server.UpdateStream(ctx,
request.Keyspace,
request.Shard,
request.KeyRange,
request.TabletType,
request.Timestamp,
request.Event,
func(event *querypb.StreamEvent, resumeTimestamp int64) error {
// Send is not safe to call concurrently, but vtgate
// guarantees that it's not.
return stream.Send(&vtgatepb.UpdateStreamResponse{
Event: event,
ResumeTimestamp: resumeTimestamp,
})
})
return vterrors.ToGRPC(vtgErr)
} | [
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vitessio/vitess | go/vt/dbconnpool/connection.go | ExecuteFetch | func (dbc *DBConnection) ExecuteFetch(query string, maxrows int, wantfields bool) (*sqltypes.Result, error) {
defer dbc.mysqlStats.Record("Exec", time.Now())
mqr, err := dbc.Conn.ExecuteFetch(query, maxrows, wantfields)
if err != nil {
dbc.handleError(err)
return nil, err
}
return mqr, nil
} | go | func (dbc *DBConnection) ExecuteFetch(query string, maxrows int, wantfields bool) (*sqltypes.Result, error) {
defer dbc.mysqlStats.Record("Exec", time.Now())
mqr, err := dbc.Conn.ExecuteFetch(query, maxrows, wantfields)
if err != nil {
dbc.handleError(err)
return nil, err
}
return mqr, nil
} | [
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vitessio/vitess | go/vt/dbconnpool/connection.go | ExecuteStreamFetch | func (dbc *DBConnection) ExecuteStreamFetch(query string, callback func(*sqltypes.Result) error, streamBufferSize int) error {
defer dbc.mysqlStats.Record("ExecStream", time.Now())
err := dbc.Conn.ExecuteStreamFetch(query)
if err != nil {
dbc.handleError(err)
return err
}
defer dbc.CloseResult()
// first call the callback with the fields
flds, err := dbc.Fields()
if err != nil {
return err
}
err = callback(&sqltypes.Result{Fields: flds})
if err != nil {
return fmt.Errorf("stream send error: %v", err)
}
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// start with a pre-allocated array of 256 rows capacity
qr := &sqltypes.Result{Rows: make([][]sqltypes.Value, 0, 256)}
byteCount := 0
for {
row, err := dbc.FetchNext()
if err != nil {
dbc.handleError(err)
return err
}
if row == nil {
break
}
qr.Rows = append(qr.Rows, row)
for _, s := range row {
byteCount += s.Len()
}
if byteCount >= streamBufferSize {
err = callback(qr)
if err != nil {
return err
}
// empty the rows so we start over, but we keep the
// same capacity
qr.Rows = qr.Rows[:0]
byteCount = 0
}
}
if len(qr.Rows) > 0 {
err = callback(qr)
if err != nil {
return err
}
}
return nil
} | go | func (dbc *DBConnection) ExecuteStreamFetch(query string, callback func(*sqltypes.Result) error, streamBufferSize int) error {
defer dbc.mysqlStats.Record("ExecStream", time.Now())
err := dbc.Conn.ExecuteStreamFetch(query)
if err != nil {
dbc.handleError(err)
return err
}
defer dbc.CloseResult()
// first call the callback with the fields
flds, err := dbc.Fields()
if err != nil {
return err
}
err = callback(&sqltypes.Result{Fields: flds})
if err != nil {
return fmt.Errorf("stream send error: %v", err)
}
// then get all the rows, sending them as we reach a decent packet size
// start with a pre-allocated array of 256 rows capacity
qr := &sqltypes.Result{Rows: make([][]sqltypes.Value, 0, 256)}
byteCount := 0
for {
row, err := dbc.FetchNext()
if err != nil {
dbc.handleError(err)
return err
}
if row == nil {
break
}
qr.Rows = append(qr.Rows, row)
for _, s := range row {
byteCount += s.Len()
}
if byteCount >= streamBufferSize {
err = callback(qr)
if err != nil {
return err
}
// empty the rows so we start over, but we keep the
// same capacity
qr.Rows = qr.Rows[:0]
byteCount = 0
}
}
if len(qr.Rows) > 0 {
err = callback(qr)
if err != nil {
return err
}
}
return nil
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] | // ExecuteStreamFetch overwrites mysql.Conn.ExecuteStreamFetch. | [
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"."
] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/dbconnpool/connection.go#L57-L115 | train |
vitessio/vitess | go/vt/dbconnpool/connection.go | NewDBConnection | func NewDBConnection(info *mysql.ConnParams, mysqlStats *stats.Timings) (*DBConnection, error) {
start := time.Now()
defer mysqlStats.Record("Connect", start)
params, err := dbconfigs.WithCredentials(info)
if err != nil {
return nil, err
}
ctx := context.Background()
c, err := mysql.Connect(ctx, params)
if err != nil {
mysqlStats.Record("ConnectError", start)
}
return &DBConnection{c, mysqlStats}, err
} | go | func NewDBConnection(info *mysql.ConnParams, mysqlStats *stats.Timings) (*DBConnection, error) {
start := time.Now()
defer mysqlStats.Record("Connect", start)
params, err := dbconfigs.WithCredentials(info)
if err != nil {
return nil, err
}
ctx := context.Background()
c, err := mysql.Connect(ctx, params)
if err != nil {
mysqlStats.Record("ConnectError", start)
}
return &DBConnection{c, mysqlStats}, err
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// and will use the provided stats to collect timing. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/dbconnpool/connection.go#L119-L132 | train |
vitessio/vitess | go/vt/vtgate/buffer/timeout_thread.go | waitForEntry | func (tt *timeoutThread) waitForEntry(e *entry) bool {
windowExceeded := time.NewTimer(time.Until(e.deadline))
defer windowExceeded.Stop()
select {
// a) Always check these channels, regardless of the state.
case <-tt.maxDuration.C:
// Max duration is up. Stop buffering. Do not error out entries explicitly.
tt.sb.stopBufferingDueToMaxDuration()
return true
case <-tt.stopChan:
// Failover ended before timeout. Do nothing.
return true
// b) Entry-specific checks.
case <-e.done:
// Entry was drained or evicted. Get the next entry.
return false
// NOTE: We're not waiting for e.bufferCtx here (which triggers when the
// request was externally aborted e.g. due to context canceled) because then
// this thread would race with the request thread which runs
// shardBuffer.remove(). Instead, remove() will notify us here eventually by
// closing "e.done".
case <-windowExceeded.C:
// Entry expired. Evict it and then get the next entry.
tt.sb.evictOldestEntry(e)
return false
}
} | go | func (tt *timeoutThread) waitForEntry(e *entry) bool {
windowExceeded := time.NewTimer(time.Until(e.deadline))
defer windowExceeded.Stop()
select {
// a) Always check these channels, regardless of the state.
case <-tt.maxDuration.C:
// Max duration is up. Stop buffering. Do not error out entries explicitly.
tt.sb.stopBufferingDueToMaxDuration()
return true
case <-tt.stopChan:
// Failover ended before timeout. Do nothing.
return true
// b) Entry-specific checks.
case <-e.done:
// Entry was drained or evicted. Get the next entry.
return false
// NOTE: We're not waiting for e.bufferCtx here (which triggers when the
// request was externally aborted e.g. due to context canceled) because then
// this thread would race with the request thread which runs
// shardBuffer.remove(). Instead, remove() will notify us here eventually by
// closing "e.done".
case <-windowExceeded.C:
// Entry expired. Evict it and then get the next entry.
tt.sb.evictOldestEntry(e)
return false
}
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// in general. It returns true if the timeout thread should stop. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/buffer/timeout_thread.go#L97-L124 | train |
vitessio/vitess | go/vt/vtgate/buffer/timeout_thread.go | waitForNonEmptyQueue | func (tt *timeoutThread) waitForNonEmptyQueue() bool {
tt.mu.Lock()
queueNotEmpty := tt.queueNotEmpty
tt.mu.Unlock()
select {
// a) Always check these channels, regardless of the state.
case <-tt.maxDuration.C:
// Max duration is up. Stop buffering. Do not error out entries explicitly.
tt.sb.stopBufferingDueToMaxDuration()
return true
case <-tt.stopChan:
// Failover ended before timeout. Do nothing.
return true
// b) State-specific check.
case <-queueNotEmpty:
// At least one entry present. Check its timeout in the next iteration.
return false
}
} | go | func (tt *timeoutThread) waitForNonEmptyQueue() bool {
tt.mu.Lock()
queueNotEmpty := tt.queueNotEmpty
tt.mu.Unlock()
select {
// a) Always check these channels, regardless of the state.
case <-tt.maxDuration.C:
// Max duration is up. Stop buffering. Do not error out entries explicitly.
tt.sb.stopBufferingDueToMaxDuration()
return true
case <-tt.stopChan:
// Failover ended before timeout. Do nothing.
return true
// b) State-specific check.
case <-queueNotEmpty:
// At least one entry present. Check its timeout in the next iteration.
return false
}
} | [
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// the timeout thread should be stopped.
// It returns true if the timeout thread should stop. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/buffer/timeout_thread.go#L129-L148 | train |
vitessio/vitess | go/vt/vttime/interval.go | NewInterval | func NewInterval(earliest, latest time.Time) (Interval, error) {
if latest.Sub(earliest) < 0 {
return Interval{}, fmt.Errorf("NewInterval: earliest has to be smaller or equal to latest, but got: earliest=%v latest=%v", earliest, latest)
}
return Interval{
earliest: earliest,
latest: latest,
}, nil
} | go | func NewInterval(earliest, latest time.Time) (Interval, error) {
if latest.Sub(earliest) < 0 {
return Interval{}, fmt.Errorf("NewInterval: earliest has to be smaller or equal to latest, but got: earliest=%v latest=%v", earliest, latest)
}
return Interval{
earliest: earliest,
latest: latest,
}, nil
} | [
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// earliest has to be smaller or equal to latest, or an error is returned. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttime/interval.go#L32-L40 | train |
vitessio/vitess | go/vt/vttime/interval.go | Less | func (i Interval) Less(other Interval) bool {
return i.latest.Sub(other.earliest) < 0
} | go | func (i Interval) Less(other Interval) bool {
return i.latest.Sub(other.earliest) < 0
} | [
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] | // Less returns true if the provided interval is earlier than the parameter.
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttime/interval.go#L58-L60 | train |
vitessio/vitess | go/vt/servenv/grpc_server_auth_static.go | Authenticate | func (sa *StaticAuthPlugin) Authenticate(ctx context.Context, fullMethod string) (context.Context, error) {
if md, ok := metadata.FromIncomingContext(ctx); ok {
if len(md["username"]) == 0 || len(md["password"]) == 0 {
return nil, status.Errorf(codes.Unauthenticated, "username and password must be provided")
}
username := md["username"][0]
password := md["password"][0]
for _, authEntry := range sa.entries {
if username == authEntry.Username && password == authEntry.Password {
return ctx, nil
}
}
return nil, status.Errorf(codes.PermissionDenied, "auth failure: caller %q provided invalid credentials", username)
}
return nil, status.Errorf(codes.Unauthenticated, "username and password must be provided")
} | go | func (sa *StaticAuthPlugin) Authenticate(ctx context.Context, fullMethod string) (context.Context, error) {
if md, ok := metadata.FromIncomingContext(ctx); ok {
if len(md["username"]) == 0 || len(md["password"]) == 0 {
return nil, status.Errorf(codes.Unauthenticated, "username and password must be provided")
}
username := md["username"][0]
password := md["password"][0]
for _, authEntry := range sa.entries {
if username == authEntry.Username && password == authEntry.Password {
return ctx, nil
}
}
return nil, status.Errorf(codes.PermissionDenied, "auth failure: caller %q provided invalid credentials", username)
}
return nil, status.Errorf(codes.Unauthenticated, "username and password must be provided")
} | [
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// incoming requests. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/servenv/grpc_server_auth_static.go#L56-L71 | train |
vitessio/vitess | go/vt/logutil/purge.go | purgeLogsOnce | func purgeLogsOnce(now time.Time, dir, program string, keep time.Duration) {
current := make(map[string]bool)
for _, level := range levels {
c, err := os.Readlink(path.Join(dir, fmt.Sprintf("%s.%s", program, level)))
if err != nil {
continue
}
current[c] = true
}
files, err := filepath.Glob(path.Join(dir, fmt.Sprintf("%s.*", program)))
if err != nil {
return
}
for _, file := range files {
if current[file] {
continue
}
created, err := parseTimestamp(file)
if err != nil {
continue
}
if now.Sub(created) > keep {
os.Remove(file)
}
}
} | go | func purgeLogsOnce(now time.Time, dir, program string, keep time.Duration) {
current := make(map[string]bool)
for _, level := range levels {
c, err := os.Readlink(path.Join(dir, fmt.Sprintf("%s.%s", program, level)))
if err != nil {
continue
}
current[c] = true
}
files, err := filepath.Glob(path.Join(dir, fmt.Sprintf("%s.*", program)))
if err != nil {
return
}
for _, file := range files {
if current[file] {
continue
}
created, err := parseTimestamp(file)
if err != nil {
continue
}
if now.Sub(created) > keep {
os.Remove(file)
}
}
} | [
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"}",
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] | // purgeLogsOnce removes logfiles for program for dir, if their age
// relative to now is greater than keep. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/logutil/purge.go#L49-L75 | train |
vitessio/vitess | go/vt/logutil/purge.go | PurgeLogs | func PurgeLogs() {
f := flag.Lookup("log_dir")
if f == nil {
panic("the logging module doesn't specify a log_dir flag")
}
if *keepLogs == 0*time.Second {
return
}
logDir := f.Value.String()
program := filepath.Base(os.Args[0])
timer := time.NewTimer(*purgeLogsInterval)
for range timer.C {
purgeLogsOnce(time.Now(), logDir, program, *keepLogs)
}
} | go | func PurgeLogs() {
f := flag.Lookup("log_dir")
if f == nil {
panic("the logging module doesn't specify a log_dir flag")
}
if *keepLogs == 0*time.Second {
return
}
logDir := f.Value.String()
program := filepath.Base(os.Args[0])
timer := time.NewTimer(*purgeLogsInterval)
for range timer.C {
purgeLogsOnce(time.Now(), logDir, program, *keepLogs)
}
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/logutil/purge.go#L79-L95 | train |
vitessio/vitess | go/vt/vterrors/proto3.go | ToVTRPC | func ToVTRPC(err error) *vtrpcpb.RPCError {
if err == nil {
return nil
}
code := Code(err)
return &vtrpcpb.RPCError{
LegacyCode: CodeToLegacyErrorCode(code),
Code: code,
Message: err.Error(),
}
} | go | func ToVTRPC(err error) *vtrpcpb.RPCError {
if err == nil {
return nil
}
code := Code(err)
return &vtrpcpb.RPCError{
LegacyCode: CodeToLegacyErrorCode(code),
Code: code,
Message: err.Error(),
}
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vterrors/proto3.go#L42-L52 | train |
vitessio/vitess | go/fileutil/wildcards.go | HasWildcard | func HasWildcard(path string) bool {
for i := 0; i < len(path); i++ {
switch path[i] {
case '\\':
if i+1 >= len(path) {
return true
}
i++
case '*', '?', '[':
return true
}
}
return false
} | go | func HasWildcard(path string) bool {
for i := 0; i < len(path); i++ {
switch path[i] {
case '\\':
if i+1 >= len(path) {
return true
}
i++
case '*', '?', '[':
return true
}
}
return false
} | [
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vitessio/vitess | go/event/hooks.go | Add | func (h *Hooks) Add(f func()) {
h.mu.Lock()
defer h.mu.Unlock()
h.funcs = append(h.funcs, f)
} | go | func (h *Hooks) Add(f func()) {
h.mu.Lock()
defer h.mu.Unlock()
h.funcs = append(h.funcs, f)
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/event/hooks.go#L31-L35 | train |
vitessio/vitess | go/vt/worker/legacy_split_clone.go | NewLegacySplitCloneWorker | func NewLegacySplitCloneWorker(wr *wrangler.Wrangler, cell, keyspace, shard string, excludeTables []string, sourceReaderCount, destinationPackCount, destinationWriterCount, minHealthyRdonlyTablets int, maxTPS int64) (Worker, error) {
if maxTPS != throttler.MaxRateModuleDisabled {
wr.Logger().Infof("throttling enabled and set to a max of %v transactions/second", maxTPS)
}
if maxTPS != throttler.MaxRateModuleDisabled && maxTPS < int64(destinationWriterCount) {
return nil, fmt.Errorf("-max_tps must be >= -destination_writer_count: %v >= %v", maxTPS, destinationWriterCount)
}
return &LegacySplitCloneWorker{
StatusWorker: NewStatusWorker(),
wr: wr,
cell: cell,
keyspace: keyspace,
shard: shard,
excludeTables: excludeTables,
sourceReaderCount: sourceReaderCount,
destinationPackCount: destinationPackCount,
destinationWriterCount: destinationWriterCount,
minHealthyRdonlyTablets: minHealthyRdonlyTablets,
maxTPS: maxTPS,
cleaner: &wrangler.Cleaner{},
destinationDbNames: make(map[string]string),
destinationThrottlers: make(map[string]*throttler.Throttler),
ev: &events.SplitClone{
Cell: cell,
Keyspace: keyspace,
Shard: shard,
ExcludeTables: excludeTables,
},
}, nil
} | go | func NewLegacySplitCloneWorker(wr *wrangler.Wrangler, cell, keyspace, shard string, excludeTables []string, sourceReaderCount, destinationPackCount, destinationWriterCount, minHealthyRdonlyTablets int, maxTPS int64) (Worker, error) {
if maxTPS != throttler.MaxRateModuleDisabled {
wr.Logger().Infof("throttling enabled and set to a max of %v transactions/second", maxTPS)
}
if maxTPS != throttler.MaxRateModuleDisabled && maxTPS < int64(destinationWriterCount) {
return nil, fmt.Errorf("-max_tps must be >= -destination_writer_count: %v >= %v", maxTPS, destinationWriterCount)
}
return &LegacySplitCloneWorker{
StatusWorker: NewStatusWorker(),
wr: wr,
cell: cell,
keyspace: keyspace,
shard: shard,
excludeTables: excludeTables,
sourceReaderCount: sourceReaderCount,
destinationPackCount: destinationPackCount,
destinationWriterCount: destinationWriterCount,
minHealthyRdonlyTablets: minHealthyRdonlyTablets,
maxTPS: maxTPS,
cleaner: &wrangler.Cleaner{},
destinationDbNames: make(map[string]string),
destinationThrottlers: make(map[string]*throttler.Throttler),
ev: &events.SplitClone{
Cell: cell,
Keyspace: keyspace,
Shard: shard,
ExcludeTables: excludeTables,
},
}, nil
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/worker/legacy_split_clone.go#L102-L133 | train |
vitessio/vitess | go/vt/worker/legacy_split_clone.go | Run | func (scw *LegacySplitCloneWorker) Run(ctx context.Context) error {
resetVars()
// Run the command.
err := scw.run(ctx)
// Cleanup.
scw.setState(WorkerStateCleanUp)
// Reverse any changes e.g. setting the tablet type of a source RDONLY tablet.
cerr := scw.cleaner.CleanUp(scw.wr)
if cerr != nil {
if err != nil {
scw.wr.Logger().Errorf2(cerr, "CleanUp failed in addition to job error")
} else {
err = cerr
}
}
// Stop Throttlers.
for _, throttler := range scw.destinationThrottlers {
throttler.Close()
}
// Stop healthcheck.
for _, watcher := range scw.destinationShardWatchers {
watcher.Stop()
}
if scw.healthCheck != nil {
if err := scw.healthCheck.Close(); err != nil {
scw.wr.Logger().Errorf2(err, "HealthCheck.Close() failed")
}
}
if err != nil {
scw.setErrorState(err)
return err
}
scw.setState(WorkerStateDone)
return nil
} | go | func (scw *LegacySplitCloneWorker) Run(ctx context.Context) error {
resetVars()
// Run the command.
err := scw.run(ctx)
// Cleanup.
scw.setState(WorkerStateCleanUp)
// Reverse any changes e.g. setting the tablet type of a source RDONLY tablet.
cerr := scw.cleaner.CleanUp(scw.wr)
if cerr != nil {
if err != nil {
scw.wr.Logger().Errorf2(cerr, "CleanUp failed in addition to job error")
} else {
err = cerr
}
}
// Stop Throttlers.
for _, throttler := range scw.destinationThrottlers {
throttler.Close()
}
// Stop healthcheck.
for _, watcher := range scw.destinationShardWatchers {
watcher.Stop()
}
if scw.healthCheck != nil {
if err := scw.healthCheck.Close(); err != nil {
scw.wr.Logger().Errorf2(err, "HealthCheck.Close() failed")
}
}
if err != nil {
scw.setErrorState(err)
return err
}
scw.setState(WorkerStateDone)
return nil
} | [
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] | // Run implements the Worker interface | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/worker/legacy_split_clone.go#L197-L235 | train |
vitessio/vitess | go/vt/worker/legacy_split_clone.go | processData | func (scw *LegacySplitCloneWorker) processData(ctx context.Context, dbNames []string, td *tabletmanagerdatapb.TableDefinition, tableIndex int, rr ResultReader, rowSplitter *RowSplitter, insertChannels []chan string, destinationPackCount int) error {
// Store the baseCmd per destination shard because each tablet may have a
// different dbName.
baseCmds := make([]string, len(dbNames))
for i, dbName := range dbNames {
baseCmds[i] = "INSERT INTO " + sqlescape.EscapeID(dbName) + "." + sqlescape.EscapeID(td.Name) + " (" + strings.Join(escapeAll(td.Columns), ", ") + ") VALUES "
}
sr := rowSplitter.StartSplit()
packCount := 0
fields := rr.Fields()
for {
r, err := rr.Next()
if err != nil {
// we are done, see if there was an error
if err != io.EOF {
return err
}
// send the remainder if any (ignoring
// the return value, we don't care
// here if we're aborted)
if packCount > 0 {
rowSplitter.Send(fields, sr, baseCmds, insertChannels, ctx.Done())
}
return nil
}
// Split the rows by keyspace ID, and insert each chunk into each destination
if err := rowSplitter.Split(sr, r.Rows); err != nil {
return vterrors.Wrapf(err, "RowSplitter failed for table %v", td.Name)
}
scw.tableStatusList.addCopiedRows(tableIndex, len(r.Rows))
// see if we reach the destination pack count
packCount++
if packCount < destinationPackCount {
continue
}
// send the rows to be inserted
if aborted := rowSplitter.Send(fields, sr, baseCmds, insertChannels, ctx.Done()); aborted {
return nil
}
// and reset our row buffer
sr = rowSplitter.StartSplit()
packCount = 0
}
} | go | func (scw *LegacySplitCloneWorker) processData(ctx context.Context, dbNames []string, td *tabletmanagerdatapb.TableDefinition, tableIndex int, rr ResultReader, rowSplitter *RowSplitter, insertChannels []chan string, destinationPackCount int) error {
// Store the baseCmd per destination shard because each tablet may have a
// different dbName.
baseCmds := make([]string, len(dbNames))
for i, dbName := range dbNames {
baseCmds[i] = "INSERT INTO " + sqlescape.EscapeID(dbName) + "." + sqlescape.EscapeID(td.Name) + " (" + strings.Join(escapeAll(td.Columns), ", ") + ") VALUES "
}
sr := rowSplitter.StartSplit()
packCount := 0
fields := rr.Fields()
for {
r, err := rr.Next()
if err != nil {
// we are done, see if there was an error
if err != io.EOF {
return err
}
// send the remainder if any (ignoring
// the return value, we don't care
// here if we're aborted)
if packCount > 0 {
rowSplitter.Send(fields, sr, baseCmds, insertChannels, ctx.Done())
}
return nil
}
// Split the rows by keyspace ID, and insert each chunk into each destination
if err := rowSplitter.Split(sr, r.Rows); err != nil {
return vterrors.Wrapf(err, "RowSplitter failed for table %v", td.Name)
}
scw.tableStatusList.addCopiedRows(tableIndex, len(r.Rows))
// see if we reach the destination pack count
packCount++
if packCount < destinationPackCount {
continue
}
// send the rows to be inserted
if aborted := rowSplitter.Send(fields, sr, baseCmds, insertChannels, ctx.Done()); aborted {
return nil
}
// and reset our row buffer
sr = rowSplitter.StartSplit()
packCount = 0
}
} | [
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] | // processData pumps the data out of the provided QueryResultReader.
// It returns any error the source encounters. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/worker/legacy_split_clone.go#L658-L707 | train |
vitessio/vitess | go/vt/throttler/throttler.go | updateMaxRate | func (t *Throttler) updateMaxRate() {
// Set it to infinite initially.
maxRate := int64(math.MaxInt64)
// Find out the new max rate (minimum among all modules).
for _, m := range t.modules {
if moduleMaxRate := m.MaxRate(); moduleMaxRate < maxRate {
maxRate = moduleMaxRate
}
}
// Set the new max rate on each thread.
t.mu.Lock()
defer t.mu.Unlock()
threadsRunning := len(t.runningThreads)
if threadsRunning == 0 {
// Throttler is done. Set rates don't matter anymore.
return
}
if maxRate != ZeroRateNoProgess && maxRate < int64(threadsRunning) {
log.Warningf("Set maxRate is less than the number of threads (%v). To prevent threads from starving, maxRate was increased from: %v to: %v.", threadsRunning, maxRate, threadsRunning)
maxRate = int64(threadsRunning)
}
maxRatePerThread := maxRate / int64(threadsRunning)
// Distribute the remainder of the division across all threads.
remainder := maxRate % int64(threadsRunning)
remainderPerThread := make(map[int]int64, threadsRunning)
for id := 0; remainder > 0; {
remainderPerThread[id]++
remainder--
id++
}
for threadID := range t.runningThreads {
t.threadThrottlers[threadID].setMaxRate(maxRatePerThread + remainderPerThread[threadID])
}
t.threadRunningsLastUpdate = threadsRunning
} | go | func (t *Throttler) updateMaxRate() {
// Set it to infinite initially.
maxRate := int64(math.MaxInt64)
// Find out the new max rate (minimum among all modules).
for _, m := range t.modules {
if moduleMaxRate := m.MaxRate(); moduleMaxRate < maxRate {
maxRate = moduleMaxRate
}
}
// Set the new max rate on each thread.
t.mu.Lock()
defer t.mu.Unlock()
threadsRunning := len(t.runningThreads)
if threadsRunning == 0 {
// Throttler is done. Set rates don't matter anymore.
return
}
if maxRate != ZeroRateNoProgess && maxRate < int64(threadsRunning) {
log.Warningf("Set maxRate is less than the number of threads (%v). To prevent threads from starving, maxRate was increased from: %v to: %v.", threadsRunning, maxRate, threadsRunning)
maxRate = int64(threadsRunning)
}
maxRatePerThread := maxRate / int64(threadsRunning)
// Distribute the remainder of the division across all threads.
remainder := maxRate % int64(threadsRunning)
remainderPerThread := make(map[int]int64, threadsRunning)
for id := 0; remainder > 0; {
remainderPerThread[id]++
remainder--
id++
}
for threadID := range t.runningThreads {
t.threadThrottlers[threadID].setMaxRate(maxRatePerThread + remainderPerThread[threadID])
}
t.threadRunningsLastUpdate = threadsRunning
} | [
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] | // updateMaxRate recalculates the current max rate and updates all
// threadThrottlers accordingly.
// The rate changes when the number of thread changes or a module updated its
// max rate. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/throttler/throttler.go#L245-L283 | train |
vitessio/vitess | go/vt/throttler/throttler.go | UpdateConfiguration | func (t *Throttler) UpdateConfiguration(configuration *throttlerdatapb.Configuration, copyZeroValues bool) error {
return t.maxReplicationLagModule.updateConfiguration(configuration, copyZeroValues)
} | go | func (t *Throttler) UpdateConfiguration(configuration *throttlerdatapb.Configuration, copyZeroValues bool) error {
return t.maxReplicationLagModule.updateConfiguration(configuration, copyZeroValues)
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/throttler/throttler.go#L308-L310 | train |
vitessio/vitess | go/vt/vtgate/planbuilder/limit.go | newLimit | func newLimit(bldr builder) *limit {
return &limit{
order: bldr.Order() + 1,
resultColumns: bldr.ResultColumns(),
input: bldr,
elimit: &engine.Limit{},
}
} | go | func newLimit(bldr builder) *limit {
return &limit{
order: bldr.Order() + 1,
resultColumns: bldr.ResultColumns(),
input: bldr,
elimit: &engine.Limit{},
}
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/planbuilder/limit.go#L39-L46 | train |
vitessio/vitess | go/vt/vtgate/planbuilder/limit.go | SetLimit | func (l *limit) SetLimit(limit *sqlparser.Limit) error {
count, ok := limit.Rowcount.(*sqlparser.SQLVal)
if !ok {
return fmt.Errorf("unexpected expression in LIMIT: %v", sqlparser.String(limit))
}
pv, err := sqlparser.NewPlanValue(count)
if err != nil {
return err
}
l.elimit.Count = pv
switch offset := limit.Offset.(type) {
case *sqlparser.SQLVal:
pv, err = sqlparser.NewPlanValue(offset)
if err != nil {
return err
}
l.elimit.Offset = pv
case nil:
// NOOP
default:
return fmt.Errorf("unexpected expression in LIMIT: %v", sqlparser.String(limit))
}
l.input.SetUpperLimit(sqlparser.NewValArg([]byte(":__upper_limit")))
return nil
} | go | func (l *limit) SetLimit(limit *sqlparser.Limit) error {
count, ok := limit.Rowcount.(*sqlparser.SQLVal)
if !ok {
return fmt.Errorf("unexpected expression in LIMIT: %v", sqlparser.String(limit))
}
pv, err := sqlparser.NewPlanValue(count)
if err != nil {
return err
}
l.elimit.Count = pv
switch offset := limit.Offset.(type) {
case *sqlparser.SQLVal:
pv, err = sqlparser.NewPlanValue(offset)
if err != nil {
return err
}
l.elimit.Offset = pv
case nil:
// NOOP
default:
return fmt.Errorf("unexpected expression in LIMIT: %v", sqlparser.String(limit))
}
l.input.SetUpperLimit(sqlparser.NewValArg([]byte(":__upper_limit")))
return nil
} | [
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vitessio/vitess | go/stats/counters.go | ResetAll | func (c *counters) ResetAll() {
c.mu.Lock()
defer c.mu.Unlock()
c.counts = make(map[string]*int64)
} | go | func (c *counters) ResetAll() {
c.mu.Lock()
defer c.mu.Unlock()
c.counts = make(map[string]*int64)
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/stats/counters.go#L91-L95 | train |
vitessio/vitess | go/stats/counters.go | ZeroAll | func (c *counters) ZeroAll() {
c.mu.Lock()
defer c.mu.Unlock()
for _, a := range c.counts {
atomic.StoreInt64(a, int64(0))
}
} | go | func (c *counters) ZeroAll() {
c.mu.Lock()
defer c.mu.Unlock()
for _, a := range c.counts {
atomic.StoreInt64(a, int64(0))
}
} | [
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] | // ZeroAll resets all counter values to zero | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/stats/counters.go#L98-L104 | train |
vitessio/vitess | go/stats/counters.go | Reset | func (c *counters) Reset(name string) {
a := c.getValueAddr(name)
atomic.StoreInt64(a, int64(0))
} | go | func (c *counters) Reset(name string) {
a := c.getValueAddr(name)
atomic.StoreInt64(a, int64(0))
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/stats/counters.go#L107-L110 | train |
vitessio/vitess | go/stats/counters.go | NewCountersWithSingleLabel | func NewCountersWithSingleLabel(name, help, label string, tags ...string) *CountersWithSingleLabel {
c := &CountersWithSingleLabel{
counters: counters{
counts: make(map[string]*int64),
help: help,
},
label: label,
}
for _, tag := range tags {
c.counts[tag] = new(int64)
}
if name != "" {
publish(name, c)
}
return c
} | go | func NewCountersWithSingleLabel(name, help, label string, tags ...string) *CountersWithSingleLabel {
c := &CountersWithSingleLabel{
counters: counters{
counts: make(map[string]*int64),
help: help,
},
label: label,
}
for _, tag := range tags {
c.counts[tag] = new(int64)
}
if name != "" {
publish(name, c)
}
return c
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/stats/counters.go#L143-L159 | train |
vitessio/vitess | go/stats/counters.go | NewCountersWithMultiLabels | func NewCountersWithMultiLabels(name, help string, labels []string) *CountersWithMultiLabels {
t := &CountersWithMultiLabels{
counters: counters{
counts: make(map[string]*int64),
help: help},
labels: labels,
}
if name != "" {
publish(name, t)
}
return t
} | go | func NewCountersWithMultiLabels(name, help string, labels []string) *CountersWithMultiLabels {
t := &CountersWithMultiLabels{
counters: counters{
counts: make(map[string]*int64),
help: help},
labels: labels,
}
if name != "" {
publish(name, t)
}
return t
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/stats/counters.go#L190-L202 | train |
vitessio/vitess | go/stats/counters.go | NewCountersFuncWithMultiLabels | func NewCountersFuncWithMultiLabels(name, help string, labels []string, f func() map[string]int64) *CountersFuncWithMultiLabels {
t := &CountersFuncWithMultiLabels{
f: f,
help: help,
labels: labels,
}
if name != "" {
publish(name, t)
}
return t
} | go | func NewCountersFuncWithMultiLabels(name, help string, labels []string, f func() map[string]int64) *CountersFuncWithMultiLabels {
t := &CountersFuncWithMultiLabels{
f: f,
help: help,
labels: labels,
}
if name != "" {
publish(name, t)
}
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/stats/counters.go#L269-L280 | train |
vitessio/vitess | go/stats/counters.go | NewGaugesWithSingleLabel | func NewGaugesWithSingleLabel(name, help, label string, tags ...string) *GaugesWithSingleLabel {
g := &GaugesWithSingleLabel{
CountersWithSingleLabel: CountersWithSingleLabel{
counters: counters{
counts: make(map[string]*int64),
help: help,
},
label: label,
},
}
for _, tag := range tags {
g.counts[tag] = new(int64)
}
if name != "" {
publish(name, g)
}
return g
} | go | func NewGaugesWithSingleLabel(name, help, label string, tags ...string) *GaugesWithSingleLabel {
g := &GaugesWithSingleLabel{
CountersWithSingleLabel: CountersWithSingleLabel{
counters: counters{
counts: make(map[string]*int64),
help: help,
},
label: label,
},
}
for _, tag := range tags {
g.counts[tag] = new(int64)
}
if name != "" {
publish(name, g)
}
return g
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/stats/counters.go#L316-L334 | train |
vitessio/vitess | go/stats/counters.go | Set | func (g *GaugesWithSingleLabel) Set(name string, value int64) {
a := g.getValueAddr(name)
atomic.StoreInt64(a, value)
} | go | func (g *GaugesWithSingleLabel) Set(name string, value int64) {
a := g.getValueAddr(name)
atomic.StoreInt64(a, value)
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/stats/counters.go#L337-L340 | train |
vitessio/vitess | go/stats/counters.go | Add | func (g *GaugesWithSingleLabel) Add(name string, value int64) {
a := g.getValueAddr(name)
atomic.AddInt64(a, value)
} | go | func (g *GaugesWithSingleLabel) Add(name string, value int64) {
a := g.getValueAddr(name)
atomic.AddInt64(a, value)
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/stats/counters.go#L343-L346 | train |
vitessio/vitess | go/stats/counters.go | NewGaugesWithMultiLabels | func NewGaugesWithMultiLabels(name, help string, labels []string) *GaugesWithMultiLabels {
t := &GaugesWithMultiLabels{
CountersWithMultiLabels: CountersWithMultiLabels{
counters: counters{
counts: make(map[string]*int64),
help: help,
},
labels: labels,
}}
if name != "" {
publish(name, t)
}
return t
} | go | func NewGaugesWithMultiLabels(name, help string, labels []string) *GaugesWithMultiLabels {
t := &GaugesWithMultiLabels{
CountersWithMultiLabels: CountersWithMultiLabels{
counters: counters{
counts: make(map[string]*int64),
help: help,
},
labels: labels,
}}
if name != "" {
publish(name, t)
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return t
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vitessio/vitess | go/stats/counters.go | NewGaugesFuncWithMultiLabels | func NewGaugesFuncWithMultiLabels(name, help string, labels []string, f func() map[string]int64) *GaugesFuncWithMultiLabels {
t := &GaugesFuncWithMultiLabels{
CountersFuncWithMultiLabels: CountersFuncWithMultiLabels{
f: f,
help: help,
labels: labels,
}}
if name != "" {
publish(name, t)
}
return t
} | go | func NewGaugesFuncWithMultiLabels(name, help string, labels []string, f func() map[string]int64) *GaugesFuncWithMultiLabels {
t := &GaugesFuncWithMultiLabels{
CountersFuncWithMultiLabels: CountersFuncWithMultiLabels{
f: f,
help: help,
labels: labels,
}}
if name != "" {
publish(name, t)
}
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vitessio/vitess | go/vt/topotools/utils.go | FindTabletByHostAndPort | func FindTabletByHostAndPort(tabletMap map[string]*topo.TabletInfo, addr, portName string, port int32) (*topodatapb.TabletAlias, error) {
for _, ti := range tabletMap {
if ti.Hostname == addr && ti.PortMap[portName] == port {
return ti.Alias, nil
}
}
return nil, topo.NewError(topo.NoNode, addr+":"+portName)
} | go | func FindTabletByHostAndPort(tabletMap map[string]*topo.TabletInfo, addr, portName string, port int32) (*topodatapb.TabletAlias, error) {
for _, ti := range tabletMap {
if ti.Hostname == addr && ti.PortMap[portName] == port {
return ti.Alias, nil
}
}
return nil, topo.NewError(topo.NoNode, addr+":"+portName)
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topotools/utils.go#L34-L41 | train |
vitessio/vitess | go/vt/topotools/utils.go | GetAllTablets | func GetAllTablets(ctx context.Context, ts *topo.Server, cell string) ([]*topo.TabletInfo, error) {
aliases, err := ts.GetTabletsByCell(ctx, cell)
if err != nil {
return nil, err
}
sort.Sort(topoproto.TabletAliasList(aliases))
tabletMap, err := ts.GetTabletMap(ctx, aliases)
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// we got another error than topo.ErrNoNode
return nil, err
}
tablets := make([]*topo.TabletInfo, 0, len(aliases))
for _, tabletAlias := range aliases {
tabletInfo, ok := tabletMap[topoproto.TabletAliasString(tabletAlias)]
if !ok {
// tablet disappeared on us (GetTabletMap ignores
// topo.ErrNoNode), just echo a warning
log.Warningf("failed to load tablet %v", tabletAlias)
} else {
tablets = append(tablets, tabletInfo)
}
}
return tablets, nil
} | go | func GetAllTablets(ctx context.Context, ts *topo.Server, cell string) ([]*topo.TabletInfo, error) {
aliases, err := ts.GetTabletsByCell(ctx, cell)
if err != nil {
return nil, err
}
sort.Sort(topoproto.TabletAliasList(aliases))
tabletMap, err := ts.GetTabletMap(ctx, aliases)
if err != nil {
// we got another error than topo.ErrNoNode
return nil, err
}
tablets := make([]*topo.TabletInfo, 0, len(aliases))
for _, tabletAlias := range aliases {
tabletInfo, ok := tabletMap[topoproto.TabletAliasString(tabletAlias)]
if !ok {
// tablet disappeared on us (GetTabletMap ignores
// topo.ErrNoNode), just echo a warning
log.Warningf("failed to load tablet %v", tabletAlias)
} else {
tablets = append(tablets, tabletInfo)
}
}
return tablets, nil
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] | // GetAllTablets returns a sorted list of tablets. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topotools/utils.go#L44-L69 | train |
vitessio/vitess | go/vt/topotools/utils.go | GetAllTabletsAcrossCells | func GetAllTabletsAcrossCells(ctx context.Context, ts *topo.Server) ([]*topo.TabletInfo, error) {
cells, err := ts.GetKnownCells(ctx)
if err != nil {
return nil, err
}
results := make([][]*topo.TabletInfo, len(cells))
errors := make([]error, len(cells))
wg := sync.WaitGroup{}
wg.Add(len(cells))
for i, cell := range cells {
go func(i int, cell string) {
results[i], errors[i] = GetAllTablets(ctx, ts, cell)
wg.Done()
}(i, cell)
}
wg.Wait()
err = nil
var allTablets []*topo.TabletInfo
for i := range cells {
if errors[i] == nil {
allTablets = append(allTablets, results[i]...)
} else {
err = topo.NewError(topo.PartialResult, "")
}
}
return allTablets, err
} | go | func GetAllTabletsAcrossCells(ctx context.Context, ts *topo.Server) ([]*topo.TabletInfo, error) {
cells, err := ts.GetKnownCells(ctx)
if err != nil {
return nil, err
}
results := make([][]*topo.TabletInfo, len(cells))
errors := make([]error, len(cells))
wg := sync.WaitGroup{}
wg.Add(len(cells))
for i, cell := range cells {
go func(i int, cell string) {
results[i], errors[i] = GetAllTablets(ctx, ts, cell)
wg.Done()
}(i, cell)
}
wg.Wait()
err = nil
var allTablets []*topo.TabletInfo
for i := range cells {
if errors[i] == nil {
allTablets = append(allTablets, results[i]...)
} else {
err = topo.NewError(topo.PartialResult, "")
}
}
return allTablets, err
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// If it returns topo.ErrPartialResult, then the list is valid, but partial. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topotools/utils.go#L73-L101 | train |
vitessio/vitess | go/vt/topotools/utils.go | CopyMapKeys | func CopyMapKeys(m interface{}, typeHint interface{}) interface{} {
mapVal := reflect.ValueOf(m)
keys := reflect.MakeSlice(reflect.TypeOf(typeHint), 0, mapVal.Len())
for _, k := range mapVal.MapKeys() {
keys = reflect.Append(keys, k)
}
return keys.Interface()
} | go | func CopyMapKeys(m interface{}, typeHint interface{}) interface{} {
mapVal := reflect.ValueOf(m)
keys := reflect.MakeSlice(reflect.TypeOf(typeHint), 0, mapVal.Len())
for _, k := range mapVal.MapKeys() {
keys = reflect.Append(keys, k)
}
return keys.Interface()
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vitessio/vitess | go/vt/topotools/utils.go | CopyMapValues | func CopyMapValues(m interface{}, typeHint interface{}) interface{} {
mapVal := reflect.ValueOf(m)
vals := reflect.MakeSlice(reflect.TypeOf(typeHint), 0, mapVal.Len())
for _, k := range mapVal.MapKeys() {
vals = reflect.Append(vals, mapVal.MapIndex(k))
}
return vals.Interface()
} | go | func CopyMapValues(m interface{}, typeHint interface{}) interface{} {
mapVal := reflect.ValueOf(m)
vals := reflect.MakeSlice(reflect.TypeOf(typeHint), 0, mapVal.Len())
for _, k := range mapVal.MapKeys() {
vals = reflect.Append(vals, mapVal.MapIndex(k))
}
return vals.Interface()
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vitessio/vitess | go/vt/topotools/utils.go | MapKeys | func MapKeys(m interface{}) []interface{} {
keys := make([]interface{}, 0, 16)
mapVal := reflect.ValueOf(m)
for _, kv := range mapVal.MapKeys() {
keys = append(keys, kv.Interface())
}
return keys
} | go | func MapKeys(m interface{}) []interface{} {
keys := make([]interface{}, 0, 16)
mapVal := reflect.ValueOf(m)
for _, kv := range mapVal.MapKeys() {
keys = append(keys, kv.Interface())
}
return keys
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vitessio/vitess | go/vt/vttablet/tabletmanager/vreplication/engine.go | NewEngine | func NewEngine(ts *topo.Server, cell string, mysqld mysqlctl.MysqlDaemon, dbClientFactory func() binlogplayer.DBClient, dbName string) *Engine {
vre := &Engine{
controllers: make(map[int]*controller),
ts: ts,
cell: cell,
mysqld: mysqld,
dbClientFactory: dbClientFactory,
dbName: dbName,
}
return vre
} | go | func NewEngine(ts *topo.Server, cell string, mysqld mysqlctl.MysqlDaemon, dbClientFactory func() binlogplayer.DBClient, dbName string) *Engine {
vre := &Engine{
controllers: make(map[int]*controller),
ts: ts,
cell: cell,
mysqld: mysqld,
dbClientFactory: dbClientFactory,
dbName: dbName,
}
return vre
} | [
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vitessio/vitess | go/vt/vttablet/tabletmanager/vreplication/engine.go | executeFetchMaybeCreateTable | func (vre *Engine) executeFetchMaybeCreateTable(dbClient binlogplayer.DBClient, query string, maxrows int) (qr *sqltypes.Result, err error) {
qr, err = dbClient.ExecuteFetch(query, maxrows)
if err == nil {
return
}
// If it's a bad table or db, it could be because _vt.vreplication wasn't created.
// In that case we can try creating it again.
merr, isSQLErr := err.(*mysql.SQLError)
if !isSQLErr || !(merr.Num == mysql.ERNoSuchTable || merr.Num == mysql.ERBadDb || merr.Num == mysql.ERBadFieldError) {
return qr, err
}
log.Info("Looks like _vt.vreplication table may not exist. Trying to recreate... ")
if merr.Num == mysql.ERNoSuchTable || merr.Num == mysql.ERBadDb {
for _, query := range binlogplayer.CreateVReplicationTable() {
if _, merr := dbClient.ExecuteFetch(query, 0); merr != nil {
log.Warningf("Failed to ensure _vt.vreplication table exists: %v", merr)
return nil, err
}
}
}
if merr.Num == mysql.ERBadFieldError {
log.Info("Adding column to table _vt.vreplication")
for _, query := range binlogplayer.AlterVReplicationTable() {
if _, merr := dbClient.ExecuteFetch(query, 0); merr != nil {
merr, isSQLErr := err.(*mysql.SQLError)
if !isSQLErr || !(merr.Num == mysql.ERDupFieldName) {
log.Warningf("Failed to alter _vt.vreplication table: %v", merr)
return nil, err
}
}
}
}
return dbClient.ExecuteFetch(query, maxrows)
} | go | func (vre *Engine) executeFetchMaybeCreateTable(dbClient binlogplayer.DBClient, query string, maxrows int) (qr *sqltypes.Result, err error) {
qr, err = dbClient.ExecuteFetch(query, maxrows)
if err == nil {
return
}
// If it's a bad table or db, it could be because _vt.vreplication wasn't created.
// In that case we can try creating it again.
merr, isSQLErr := err.(*mysql.SQLError)
if !isSQLErr || !(merr.Num == mysql.ERNoSuchTable || merr.Num == mysql.ERBadDb || merr.Num == mysql.ERBadFieldError) {
return qr, err
}
log.Info("Looks like _vt.vreplication table may not exist. Trying to recreate... ")
if merr.Num == mysql.ERNoSuchTable || merr.Num == mysql.ERBadDb {
for _, query := range binlogplayer.CreateVReplicationTable() {
if _, merr := dbClient.ExecuteFetch(query, 0); merr != nil {
log.Warningf("Failed to ensure _vt.vreplication table exists: %v", merr)
return nil, err
}
}
}
if merr.Num == mysql.ERBadFieldError {
log.Info("Adding column to table _vt.vreplication")
for _, query := range binlogplayer.AlterVReplicationTable() {
if _, merr := dbClient.ExecuteFetch(query, 0); merr != nil {
merr, isSQLErr := err.(*mysql.SQLError)
if !isSQLErr || !(merr.Num == mysql.ERDupFieldName) {
log.Warningf("Failed to alter _vt.vreplication table: %v", merr)
return nil, err
}
}
}
}
return dbClient.ExecuteFetch(query, maxrows)
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// by re-creating the _vt.vreplication table. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/tabletmanager/vreplication/engine.go#L106-L142 | train |
vitessio/vitess | go/vt/vttablet/tabletmanager/vreplication/engine.go | IsOpen | func (vre *Engine) IsOpen() bool {
vre.mu.Lock()
defer vre.mu.Unlock()
return vre.isOpen
} | go | func (vre *Engine) IsOpen() bool {
vre.mu.Lock()
defer vre.mu.Unlock()
return vre.isOpen
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/tabletmanager/vreplication/engine.go#L176-L180 | train |
vitessio/vitess | go/vt/vttablet/tabletmanager/vreplication/engine.go | WaitForPos | func (vre *Engine) WaitForPos(ctx context.Context, id int, pos string) error {
mPos, err := mysql.DecodePosition(pos)
if err != nil {
return err
}
if err := func() error {
vre.mu.Lock()
defer vre.mu.Unlock()
if !vre.isOpen {
return errors.New("vreplication engine is closed")
}
// Ensure that the engine won't be closed while this is running.
vre.wg.Add(1)
return nil
}(); err != nil {
return err
}
defer vre.wg.Done()
dbClient := vre.dbClientFactory()
if err := dbClient.Connect(); err != nil {
return err
}
defer dbClient.Close()
for {
qr, err := dbClient.ExecuteFetch(binlogplayer.ReadVReplicationStatus(uint32(id)), 10)
switch {
case err != nil:
return err
case len(qr.Rows) == 0:
return fmt.Errorf("vreplication stream %d not found", id)
case len(qr.Rows) > 1 || len(qr.Rows[0]) != 3:
return fmt.Errorf("unexpected result: %v", qr)
}
current, err := mysql.DecodePosition(qr.Rows[0][0].ToString())
if err != nil {
return err
}
if current.AtLeast(mPos) {
return nil
}
if qr.Rows[0][1].ToString() == binlogplayer.BlpStopped {
return fmt.Errorf("replication has stopped at %v before reaching position %v, message: %s", current, mPos, qr.Rows[0][2].ToString())
}
select {
case <-ctx.Done():
return ctx.Err()
case <-vre.ctx.Done():
return fmt.Errorf("vreplication is closing: %v", vre.ctx.Err())
case <-time.After(waitRetryTime):
}
}
} | go | func (vre *Engine) WaitForPos(ctx context.Context, id int, pos string) error {
mPos, err := mysql.DecodePosition(pos)
if err != nil {
return err
}
if err := func() error {
vre.mu.Lock()
defer vre.mu.Unlock()
if !vre.isOpen {
return errors.New("vreplication engine is closed")
}
// Ensure that the engine won't be closed while this is running.
vre.wg.Add(1)
return nil
}(); err != nil {
return err
}
defer vre.wg.Done()
dbClient := vre.dbClientFactory()
if err := dbClient.Connect(); err != nil {
return err
}
defer dbClient.Close()
for {
qr, err := dbClient.ExecuteFetch(binlogplayer.ReadVReplicationStatus(uint32(id)), 10)
switch {
case err != nil:
return err
case len(qr.Rows) == 0:
return fmt.Errorf("vreplication stream %d not found", id)
case len(qr.Rows) > 1 || len(qr.Rows[0]) != 3:
return fmt.Errorf("unexpected result: %v", qr)
}
current, err := mysql.DecodePosition(qr.Rows[0][0].ToString())
if err != nil {
return err
}
if current.AtLeast(mPos) {
return nil
}
if qr.Rows[0][1].ToString() == binlogplayer.BlpStopped {
return fmt.Errorf("replication has stopped at %v before reaching position %v, message: %s", current, mPos, qr.Rows[0][2].ToString())
}
select {
case <-ctx.Done():
return ctx.Err()
case <-vre.ctx.Done():
return fmt.Errorf("vreplication is closing: %v", vre.ctx.Err())
case <-time.After(waitRetryTime):
}
}
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/tabletmanager/vreplication/engine.go#L298-L356 | train |
vitessio/vitess | go/vt/vttablet/tabletmanager/vreplication/engine.go | updateStats | func (vre *Engine) updateStats() {
globalStats.mu.Lock()
defer globalStats.mu.Unlock()
globalStats.isOpen = vre.isOpen
globalStats.controllers = make(map[int]*controller, len(vre.controllers))
for id, ct := range vre.controllers {
globalStats.controllers[id] = ct
}
} | go | func (vre *Engine) updateStats() {
globalStats.mu.Lock()
defer globalStats.mu.Unlock()
globalStats.isOpen = vre.isOpen
globalStats.controllers = make(map[int]*controller, len(vre.controllers))
for id, ct := range vre.controllers {
globalStats.controllers[id] = ct
}
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/tabletmanager/vreplication/engine.go#L359-L368 | train |
vitessio/vitess | go/vt/vttablet/tabletmanager/vreplication/engine.go | rowToMap | func rowToMap(qr *sqltypes.Result, rownum int) (map[string]string, error) {
row := qr.Rows[rownum]
m := make(map[string]string, len(row))
for i, fld := range qr.Fields {
if row[i].IsNull() {
continue
}
m[fld.Name] = row[i].ToString()
}
return m, nil
} | go | func rowToMap(qr *sqltypes.Result, rownum int) (map[string]string, error) {
row := qr.Rows[rownum]
m := make(map[string]string, len(row))
for i, fld := range qr.Fields {
if row[i].IsNull() {
continue
}
m[fld.Name] = row[i].ToString()
}
return m, nil
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/tabletmanager/vreplication/engine.go#L401-L411 | train |
vitessio/vitess | go/vt/vtgate/engine/insert.go | NewQueryInsert | func NewQueryInsert(opcode InsertOpcode, keyspace *vindexes.Keyspace, query string) *Insert {
return &Insert{
Opcode: opcode,
Keyspace: keyspace,
Query: query,
}
} | go | func NewQueryInsert(opcode InsertOpcode, keyspace *vindexes.Keyspace, query string) *Insert {
return &Insert{
Opcode: opcode,
Keyspace: keyspace,
Query: query,
}
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/engine/insert.go#L86-L92 | train |
vitessio/vitess | go/vt/vtgate/engine/insert.go | NewSimpleInsert | func NewSimpleInsert(opcode InsertOpcode, table *vindexes.Table, keyspace *vindexes.Keyspace) *Insert {
return &Insert{
Opcode: opcode,
Table: table,
Keyspace: keyspace,
}
} | go | func NewSimpleInsert(opcode InsertOpcode, table *vindexes.Table, keyspace *vindexes.Keyspace) *Insert {
return &Insert{
Opcode: opcode,
Table: table,
Keyspace: keyspace,
}
} | [
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vitessio/vitess | go/vt/vtgate/engine/insert.go | NewInsert | func NewInsert(opcode InsertOpcode, keyspace *vindexes.Keyspace, vindexValues []sqltypes.PlanValue, table *vindexes.Table, prefix string, mid []string, suffix string) *Insert {
return &Insert{
Opcode: opcode,
Keyspace: keyspace,
VindexValues: vindexValues,
Table: table,
Prefix: prefix,
Mid: mid,
Suffix: suffix,
}
} | go | func NewInsert(opcode InsertOpcode, keyspace *vindexes.Keyspace, vindexValues []sqltypes.PlanValue, table *vindexes.Table, prefix string, mid []string, suffix string) *Insert {
return &Insert{
Opcode: opcode,
Keyspace: keyspace,
VindexValues: vindexValues,
Table: table,
Prefix: prefix,
Mid: mid,
Suffix: suffix,
}
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/engine/insert.go#L104-L114 | train |
vitessio/vitess | go/vt/vtgate/engine/insert.go | MarshalJSON | func (ins *Insert) MarshalJSON() ([]byte, error) {
var tname string
if ins.Table != nil {
tname = ins.Table.Name.String()
}
marshalInsert := struct {
Opcode InsertOpcode
Keyspace *vindexes.Keyspace `json:",omitempty"`
Query string `json:",omitempty"`
Values []sqltypes.PlanValue `json:",omitempty"`
Table string `json:",omitempty"`
Generate *Generate `json:",omitempty"`
Prefix string `json:",omitempty"`
Mid []string `json:",omitempty"`
Suffix string `json:",omitempty"`
MultiShardAutocommit bool `json:",omitempty"`
QueryTimeout int `json:",omitempty"`
}{
Opcode: ins.Opcode,
Keyspace: ins.Keyspace,
Query: ins.Query,
Values: ins.VindexValues,
Table: tname,
Generate: ins.Generate,
Prefix: ins.Prefix,
Mid: ins.Mid,
Suffix: ins.Suffix,
MultiShardAutocommit: ins.MultiShardAutocommit,
QueryTimeout: ins.QueryTimeout,
}
return jsonutil.MarshalNoEscape(marshalInsert)
} | go | func (ins *Insert) MarshalJSON() ([]byte, error) {
var tname string
if ins.Table != nil {
tname = ins.Table.Name.String()
}
marshalInsert := struct {
Opcode InsertOpcode
Keyspace *vindexes.Keyspace `json:",omitempty"`
Query string `json:",omitempty"`
Values []sqltypes.PlanValue `json:",omitempty"`
Table string `json:",omitempty"`
Generate *Generate `json:",omitempty"`
Prefix string `json:",omitempty"`
Mid []string `json:",omitempty"`
Suffix string `json:",omitempty"`
MultiShardAutocommit bool `json:",omitempty"`
QueryTimeout int `json:",omitempty"`
}{
Opcode: ins.Opcode,
Keyspace: ins.Keyspace,
Query: ins.Query,
Values: ins.VindexValues,
Table: tname,
Generate: ins.Generate,
Prefix: ins.Prefix,
Mid: ins.Mid,
Suffix: ins.Suffix,
MultiShardAutocommit: ins.MultiShardAutocommit,
QueryTimeout: ins.QueryTimeout,
}
return jsonutil.MarshalNoEscape(marshalInsert)
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// It's used for testing and diagnostics. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/engine/insert.go#L118-L149 | train |
vitessio/vitess | go/vt/vtgate/engine/insert.go | processGenerate | func (ins *Insert) processGenerate(vcursor VCursor, bindVars map[string]*querypb.BindVariable) (insertID int64, err error) {
if ins.Generate == nil {
return 0, nil
}
// Scan input values to compute the number of values to generate, and
// keep track of where they should be filled.
resolved, err := ins.Generate.Values.ResolveList(bindVars)
if err != nil {
return 0, vterrors.Wrap(err, "processGenerate")
}
count := int64(0)
for _, val := range resolved {
if val.IsNull() {
count++
}
}
// If generation is needed, generate the requested number of values (as one call).
if count != 0 {
rss, _, err := vcursor.ResolveDestinations(ins.Generate.Keyspace.Name, nil, []key.Destination{key.DestinationAnyShard{}})
if err != nil {
return 0, vterrors.Wrap(err, "processGenerate")
}
if len(rss) != 1 {
return 0, vterrors.Wrapf(err, "processGenerate len(rss)=%v", len(rss))
}
bindVars := map[string]*querypb.BindVariable{"n": sqltypes.Int64BindVariable(count)}
qr, err := vcursor.ExecuteStandalone(ins.Generate.Query, bindVars, rss[0])
if err != nil {
return 0, err
}
// If no rows are returned, it's an internal error, and the code
// must panic, which will be caught and reported.
insertID, err = sqltypes.ToInt64(qr.Rows[0][0])
if err != nil {
return 0, err
}
}
// Fill the holes where no value was supplied.
cur := insertID
for i, v := range resolved {
if v.IsNull() {
bindVars[SeqVarName+strconv.Itoa(i)] = sqltypes.Int64BindVariable(cur)
cur++
} else {
bindVars[SeqVarName+strconv.Itoa(i)] = sqltypes.ValueBindVariable(v)
}
}
return insertID, nil
} | go | func (ins *Insert) processGenerate(vcursor VCursor, bindVars map[string]*querypb.BindVariable) (insertID int64, err error) {
if ins.Generate == nil {
return 0, nil
}
// Scan input values to compute the number of values to generate, and
// keep track of where they should be filled.
resolved, err := ins.Generate.Values.ResolveList(bindVars)
if err != nil {
return 0, vterrors.Wrap(err, "processGenerate")
}
count := int64(0)
for _, val := range resolved {
if val.IsNull() {
count++
}
}
// If generation is needed, generate the requested number of values (as one call).
if count != 0 {
rss, _, err := vcursor.ResolveDestinations(ins.Generate.Keyspace.Name, nil, []key.Destination{key.DestinationAnyShard{}})
if err != nil {
return 0, vterrors.Wrap(err, "processGenerate")
}
if len(rss) != 1 {
return 0, vterrors.Wrapf(err, "processGenerate len(rss)=%v", len(rss))
}
bindVars := map[string]*querypb.BindVariable{"n": sqltypes.Int64BindVariable(count)}
qr, err := vcursor.ExecuteStandalone(ins.Generate.Query, bindVars, rss[0])
if err != nil {
return 0, err
}
// If no rows are returned, it's an internal error, and the code
// must panic, which will be caught and reported.
insertID, err = sqltypes.ToInt64(qr.Rows[0][0])
if err != nil {
return 0, err
}
}
// Fill the holes where no value was supplied.
cur := insertID
for i, v := range resolved {
if v.IsNull() {
bindVars[SeqVarName+strconv.Itoa(i)] = sqltypes.Int64BindVariable(cur)
cur++
} else {
bindVars[SeqVarName+strconv.Itoa(i)] = sqltypes.ValueBindVariable(v)
}
}
return insertID, nil
} | [
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// If no value was generated, it returns 0. Values are generated only
// for cases where none are supplied. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/engine/insert.go#L279-L330 | train |
vitessio/vitess | go/vt/vtgate/engine/insert.go | processPrimary | func (ins *Insert) processPrimary(vcursor VCursor, vindexKeys [][]sqltypes.Value, colVindex *vindexes.ColumnVindex, bv map[string]*querypb.BindVariable) ([][]byte, error) {
var flattenedVindexKeys []sqltypes.Value
// TODO: @rafael - this will change once vindex Primary keys also support multicolumns
for _, val := range vindexKeys {
flattenedVindexKeys = append(flattenedVindexKeys, val...)
}
destinations, err := colVindex.Vindex.Map(vcursor, flattenedVindexKeys)
if err != nil {
return nil, err
}
keyspaceIDs := make([][]byte, len(destinations))
for i, destination := range destinations {
switch d := destination.(type) {
case key.DestinationKeyspaceID:
// This is a single keyspace id, we're good.
keyspaceIDs[i] = d
case key.DestinationNone:
// No valid keyspace id, we may return an error.
if ins.Opcode != InsertShardedIgnore {
return nil, fmt.Errorf("could not map %v to a keyspace id", flattenedVindexKeys[i])
}
default:
return nil, fmt.Errorf("could not map %v to a unique keyspace id: %v", flattenedVindexKeys[i], destination)
}
}
for rowNum, vindexKey := range flattenedVindexKeys {
if keyspaceIDs[rowNum] == nil {
// InsertShardedIgnore: skip the row.
continue
}
for _, col := range colVindex.Columns {
bv[insertVarName(col, rowNum)] = sqltypes.ValueBindVariable(vindexKey)
}
}
return keyspaceIDs, nil
} | go | func (ins *Insert) processPrimary(vcursor VCursor, vindexKeys [][]sqltypes.Value, colVindex *vindexes.ColumnVindex, bv map[string]*querypb.BindVariable) ([][]byte, error) {
var flattenedVindexKeys []sqltypes.Value
// TODO: @rafael - this will change once vindex Primary keys also support multicolumns
for _, val := range vindexKeys {
flattenedVindexKeys = append(flattenedVindexKeys, val...)
}
destinations, err := colVindex.Vindex.Map(vcursor, flattenedVindexKeys)
if err != nil {
return nil, err
}
keyspaceIDs := make([][]byte, len(destinations))
for i, destination := range destinations {
switch d := destination.(type) {
case key.DestinationKeyspaceID:
// This is a single keyspace id, we're good.
keyspaceIDs[i] = d
case key.DestinationNone:
// No valid keyspace id, we may return an error.
if ins.Opcode != InsertShardedIgnore {
return nil, fmt.Errorf("could not map %v to a keyspace id", flattenedVindexKeys[i])
}
default:
return nil, fmt.Errorf("could not map %v to a unique keyspace id: %v", flattenedVindexKeys[i], destination)
}
}
for rowNum, vindexKey := range flattenedVindexKeys {
if keyspaceIDs[rowNum] == nil {
// InsertShardedIgnore: skip the row.
continue
}
for _, col := range colVindex.Columns {
bv[insertVarName(col, rowNum)] = sqltypes.ValueBindVariable(vindexKey)
}
}
return keyspaceIDs, nil
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/engine/insert.go#L455-L493 | train |
vitessio/vitess | go/vt/vtgate/engine/insert.go | processOwned | func (ins *Insert) processOwned(vcursor VCursor, vindexColumnsKeys [][]sqltypes.Value, colVindex *vindexes.ColumnVindex, bv map[string]*querypb.BindVariable, ksids [][]byte) error {
for rowNum, rowColumnKeys := range vindexColumnsKeys {
for colIdx, vindexKey := range rowColumnKeys {
col := colVindex.Columns[colIdx]
bv[insertVarName(col, rowNum)] = sqltypes.ValueBindVariable(vindexKey)
}
}
return colVindex.Vindex.(vindexes.Lookup).Create(vcursor, vindexColumnsKeys, ksids, false /* ignoreMode */)
} | go | func (ins *Insert) processOwned(vcursor VCursor, vindexColumnsKeys [][]sqltypes.Value, colVindex *vindexes.ColumnVindex, bv map[string]*querypb.BindVariable, ksids [][]byte) error {
for rowNum, rowColumnKeys := range vindexColumnsKeys {
for colIdx, vindexKey := range rowColumnKeys {
col := colVindex.Columns[colIdx]
bv[insertVarName(col, rowNum)] = sqltypes.ValueBindVariable(vindexKey)
}
}
return colVindex.Vindex.(vindexes.Lookup).Create(vcursor, vindexColumnsKeys, ksids, false /* ignoreMode */)
} | [
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] | // processOwned creates vindex entries for the values of an owned column for InsertSharded. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/engine/insert.go#L496-L504 | train |
vitessio/vitess | go/vt/vtgate/engine/insert.go | processOwnedIgnore | func (ins *Insert) processOwnedIgnore(vcursor VCursor, vindexColumnsKeys [][]sqltypes.Value, colVindex *vindexes.ColumnVindex, bv map[string]*querypb.BindVariable, ksids [][]byte) error {
var createIndexes []int
var createKeys [][]sqltypes.Value
var createKsids [][]byte
for rowNum, rowColumnKeys := range vindexColumnsKeys {
var rowKeys []sqltypes.Value
if ksids[rowNum] == nil {
continue
}
createIndexes = append(createIndexes, rowNum)
createKsids = append(createKsids, ksids[rowNum])
for colIdx, vindexKey := range rowColumnKeys {
rowKeys = append(rowKeys, vindexKey)
col := colVindex.Columns[colIdx]
bv[insertVarName(col, rowNum)] = sqltypes.ValueBindVariable(vindexKey)
}
createKeys = append(createKeys, rowKeys)
}
if createKeys == nil {
return nil
}
err := colVindex.Vindex.(vindexes.Lookup).Create(vcursor, createKeys, createKsids, true /* ignoreMode */)
if err != nil {
return err
}
// After creation, verify that the keys map to the keyspace ids. If not, remove
// those that don't map.
// If values were supplied, we validate against keyspace id.
var ids []sqltypes.Value
for _, vindexValues := range createKeys {
ids = append(ids, vindexValues[0])
}
verified, err := colVindex.Vindex.Verify(vcursor, ids, createKsids)
if err != nil {
return err
}
for i, v := range verified {
if !v {
ksids[createIndexes[i]] = nil
}
}
return nil
} | go | func (ins *Insert) processOwnedIgnore(vcursor VCursor, vindexColumnsKeys [][]sqltypes.Value, colVindex *vindexes.ColumnVindex, bv map[string]*querypb.BindVariable, ksids [][]byte) error {
var createIndexes []int
var createKeys [][]sqltypes.Value
var createKsids [][]byte
for rowNum, rowColumnKeys := range vindexColumnsKeys {
var rowKeys []sqltypes.Value
if ksids[rowNum] == nil {
continue
}
createIndexes = append(createIndexes, rowNum)
createKsids = append(createKsids, ksids[rowNum])
for colIdx, vindexKey := range rowColumnKeys {
rowKeys = append(rowKeys, vindexKey)
col := colVindex.Columns[colIdx]
bv[insertVarName(col, rowNum)] = sqltypes.ValueBindVariable(vindexKey)
}
createKeys = append(createKeys, rowKeys)
}
if createKeys == nil {
return nil
}
err := colVindex.Vindex.(vindexes.Lookup).Create(vcursor, createKeys, createKsids, true /* ignoreMode */)
if err != nil {
return err
}
// After creation, verify that the keys map to the keyspace ids. If not, remove
// those that don't map.
// If values were supplied, we validate against keyspace id.
var ids []sqltypes.Value
for _, vindexValues := range createKeys {
ids = append(ids, vindexValues[0])
}
verified, err := colVindex.Vindex.Verify(vcursor, ids, createKsids)
if err != nil {
return err
}
for i, v := range verified {
if !v {
ksids[createIndexes[i]] = nil
}
}
return nil
} | [
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] | // processOwnedIgnore creates vindex entries for the values of an owned column for InsertShardedIgnore. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/engine/insert.go#L507-L552 | train |
vitessio/vitess | go/vt/vtgate/engine/insert.go | processUnowned | func (ins *Insert) processUnowned(vcursor VCursor, vindexColumnsKeys [][]sqltypes.Value, colVindex *vindexes.ColumnVindex, bv map[string]*querypb.BindVariable, ksids [][]byte) error {
var reverseIndexes []int
var reverseKsids [][]byte
var verifyIndexes []int
var verifyKeys []sqltypes.Value
var verifyKsids [][]byte
for rowNum, rowColumnKeys := range vindexColumnsKeys {
// Right now, we only validate against the first column of a colvindex.
// TODO(sougou): address this when we add multicolumn Map support.
vindexKey := rowColumnKeys[0]
if ksids[rowNum] == nil {
continue
}
if vindexKey.IsNull() {
reverseIndexes = append(reverseIndexes, rowNum)
reverseKsids = append(reverseKsids, ksids[rowNum])
} else {
verifyIndexes = append(verifyIndexes, rowNum)
verifyKeys = append(verifyKeys, vindexKey)
verifyKsids = append(verifyKsids, ksids[rowNum])
}
}
// For cases where a value was not supplied, we reverse map it
// from the keyspace id, if possible.
if reverseKsids != nil {
reversible, ok := colVindex.Vindex.(vindexes.Reversible)
if !ok {
return fmt.Errorf("value must be supplied for column %v", colVindex.Columns)
}
reverseKeys, err := reversible.ReverseMap(vcursor, reverseKsids)
if err != nil {
return err
}
for i, reverseKey := range reverseKeys {
rowNum := reverseIndexes[i]
for colIdx, col := range colVindex.Columns {
if colIdx == 0 {
// Fill the first column with the reverse-mapped value.
bv[insertVarName(col, rowNum)] = sqltypes.ValueBindVariable(reverseKey)
} else {
// Fill other columns with supplied values.
bv[insertVarName(col, rowNum)] = sqltypes.ValueBindVariable(vindexColumnsKeys[rowNum][colIdx])
}
}
}
}
if verifyKsids != nil {
// If values were supplied, we validate against keyspace id.
verified, err := colVindex.Vindex.Verify(vcursor, verifyKeys, verifyKsids)
if err != nil {
return err
}
for i, v := range verified {
rowNum := verifyIndexes[i]
if !v {
if ins.Opcode != InsertShardedIgnore {
return fmt.Errorf("values %v for column %v does not map to keyspace ids", vindexColumnsKeys, colVindex.Columns)
}
// InsertShardedIgnore: skip the row.
ksids[rowNum] = nil
continue
}
for colIdx, col := range colVindex.Columns {
bv[insertVarName(col, rowNum)] = sqltypes.ValueBindVariable(vindexColumnsKeys[rowNum][colIdx])
}
}
}
return nil
} | go | func (ins *Insert) processUnowned(vcursor VCursor, vindexColumnsKeys [][]sqltypes.Value, colVindex *vindexes.ColumnVindex, bv map[string]*querypb.BindVariable, ksids [][]byte) error {
var reverseIndexes []int
var reverseKsids [][]byte
var verifyIndexes []int
var verifyKeys []sqltypes.Value
var verifyKsids [][]byte
for rowNum, rowColumnKeys := range vindexColumnsKeys {
// Right now, we only validate against the first column of a colvindex.
// TODO(sougou): address this when we add multicolumn Map support.
vindexKey := rowColumnKeys[0]
if ksids[rowNum] == nil {
continue
}
if vindexKey.IsNull() {
reverseIndexes = append(reverseIndexes, rowNum)
reverseKsids = append(reverseKsids, ksids[rowNum])
} else {
verifyIndexes = append(verifyIndexes, rowNum)
verifyKeys = append(verifyKeys, vindexKey)
verifyKsids = append(verifyKsids, ksids[rowNum])
}
}
// For cases where a value was not supplied, we reverse map it
// from the keyspace id, if possible.
if reverseKsids != nil {
reversible, ok := colVindex.Vindex.(vindexes.Reversible)
if !ok {
return fmt.Errorf("value must be supplied for column %v", colVindex.Columns)
}
reverseKeys, err := reversible.ReverseMap(vcursor, reverseKsids)
if err != nil {
return err
}
for i, reverseKey := range reverseKeys {
rowNum := reverseIndexes[i]
for colIdx, col := range colVindex.Columns {
if colIdx == 0 {
// Fill the first column with the reverse-mapped value.
bv[insertVarName(col, rowNum)] = sqltypes.ValueBindVariable(reverseKey)
} else {
// Fill other columns with supplied values.
bv[insertVarName(col, rowNum)] = sqltypes.ValueBindVariable(vindexColumnsKeys[rowNum][colIdx])
}
}
}
}
if verifyKsids != nil {
// If values were supplied, we validate against keyspace id.
verified, err := colVindex.Vindex.Verify(vcursor, verifyKeys, verifyKsids)
if err != nil {
return err
}
for i, v := range verified {
rowNum := verifyIndexes[i]
if !v {
if ins.Opcode != InsertShardedIgnore {
return fmt.Errorf("values %v for column %v does not map to keyspace ids", vindexColumnsKeys, colVindex.Columns)
}
// InsertShardedIgnore: skip the row.
ksids[rowNum] = nil
continue
}
for colIdx, col := range colVindex.Columns {
bv[insertVarName(col, rowNum)] = sqltypes.ValueBindVariable(vindexColumnsKeys[rowNum][colIdx])
}
}
}
return nil
} | [
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"}",
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] | // processUnowned either reverse maps or validates the values for an unowned column. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/engine/insert.go#L555-L626 | train |
vitessio/vitess | go/cmd/vtctl/vtctl.go | installSignalHandlers | func installSignalHandlers(cancel func()) {
sigChan := make(chan os.Signal, 1)
signal.Notify(sigChan, syscall.SIGTERM, syscall.SIGINT)
go func() {
<-sigChan
// we got a signal, cancel the current ctx
cancel()
}()
} | go | func installSignalHandlers(cancel func()) {
sigChan := make(chan os.Signal, 1)
signal.Notify(sigChan, syscall.SIGTERM, syscall.SIGINT)
go func() {
<-sigChan
// we got a signal, cancel the current ctx
cancel()
}()
} | [
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vitessio/vitess | go/vt/topo/errors.go | NewError | func NewError(code ErrorCode, node string) error {
var message string
switch code {
case NodeExists:
message = fmt.Sprintf("node already exists: %s", node)
case NoNode:
message = fmt.Sprintf("node doesn't exist: %s", node)
case NodeNotEmpty:
message = fmt.Sprintf("node not empty: %s", node)
case Timeout:
message = fmt.Sprintf("deadline exceeded: %s", node)
case Interrupted:
message = fmt.Sprintf("interrupted: %s", node)
case BadVersion:
message = fmt.Sprintf("bad node version: %s", node)
case PartialResult:
message = fmt.Sprintf("partial result: %s", node)
case NoUpdateNeeded:
message = fmt.Sprintf("no update needed: %s", node)
case NoImplementation:
message = fmt.Sprintf("no such topology implementation %s", node)
default:
message = fmt.Sprintf("unknown code: %s", node)
}
return Error{
code: code,
message: message,
}
} | go | func NewError(code ErrorCode, node string) error {
var message string
switch code {
case NodeExists:
message = fmt.Sprintf("node already exists: %s", node)
case NoNode:
message = fmt.Sprintf("node doesn't exist: %s", node)
case NodeNotEmpty:
message = fmt.Sprintf("node not empty: %s", node)
case Timeout:
message = fmt.Sprintf("deadline exceeded: %s", node)
case Interrupted:
message = fmt.Sprintf("interrupted: %s", node)
case BadVersion:
message = fmt.Sprintf("bad node version: %s", node)
case PartialResult:
message = fmt.Sprintf("partial result: %s", node)
case NoUpdateNeeded:
message = fmt.Sprintf("no update needed: %s", node)
case NoImplementation:
message = fmt.Sprintf("no such topology implementation %s", node)
default:
message = fmt.Sprintf("unknown code: %s", node)
}
return Error{
code: code,
message: message,
}
} | [
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"}"
] | // NewError creates a new topo error. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topo/errors.go#L46-L74 | train |
vitessio/vitess | go/vt/topo/errors.go | IsErrType | func IsErrType(err error, code ErrorCode) bool {
if e, ok := err.(Error); ok {
return e.code == code
}
return false
} | go | func IsErrType(err error, code ErrorCode) bool {
if e, ok := err.(Error); ok {
return e.code == code
}
return false
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vitessio/vitess | go/vt/vtgate/planbuilder/join.go | newJoin | func newJoin(lpb, rpb *primitiveBuilder, ajoin *sqlparser.JoinTableExpr) error {
// This function converts ON clauses to WHERE clauses. The WHERE clause
// scope can see all tables, whereas the ON clause can only see the
// participants of the JOIN. However, since the ON clause doesn't allow
// external references, and the FROM clause doesn't allow duplicates,
// it's safe to perform this conversion and still expect the same behavior.
opcode := engine.NormalJoin
if ajoin != nil {
switch {
case ajoin.Join == sqlparser.LeftJoinStr:
opcode = engine.LeftJoin
// For left joins, we have to push the ON clause into the RHS.
// We do this before creating the join primitive.
// However, variables of LHS need to be visible. To allow this,
// we mark the LHS symtab as outer scope to the RHS, just like
// a subquery. This make the RHS treat the LHS symbols as external.
// This will prevent constructs from escaping out of the rpb scope.
// At this point, the LHS symtab also contains symbols of the RHS.
// But the RHS will hide those, as intended.
rpb.st.Outer = lpb.st
if err := rpb.pushFilter(ajoin.Condition.On, sqlparser.WhereStr); err != nil {
return err
}
case ajoin.Condition.Using != nil:
return errors.New("unsupported: join with USING(column_list) clause")
}
}
lpb.bldr = &join{
Left: lpb.bldr,
Right: rpb.bldr,
ejoin: &engine.Join{
Opcode: opcode,
Vars: make(map[string]int),
},
}
lpb.bldr.Reorder(0)
if ajoin == nil || opcode == engine.LeftJoin {
return nil
}
return lpb.pushFilter(ajoin.Condition.On, sqlparser.WhereStr)
} | go | func newJoin(lpb, rpb *primitiveBuilder, ajoin *sqlparser.JoinTableExpr) error {
// This function converts ON clauses to WHERE clauses. The WHERE clause
// scope can see all tables, whereas the ON clause can only see the
// participants of the JOIN. However, since the ON clause doesn't allow
// external references, and the FROM clause doesn't allow duplicates,
// it's safe to perform this conversion and still expect the same behavior.
opcode := engine.NormalJoin
if ajoin != nil {
switch {
case ajoin.Join == sqlparser.LeftJoinStr:
opcode = engine.LeftJoin
// For left joins, we have to push the ON clause into the RHS.
// We do this before creating the join primitive.
// However, variables of LHS need to be visible. To allow this,
// we mark the LHS symtab as outer scope to the RHS, just like
// a subquery. This make the RHS treat the LHS symbols as external.
// This will prevent constructs from escaping out of the rpb scope.
// At this point, the LHS symtab also contains symbols of the RHS.
// But the RHS will hide those, as intended.
rpb.st.Outer = lpb.st
if err := rpb.pushFilter(ajoin.Condition.On, sqlparser.WhereStr); err != nil {
return err
}
case ajoin.Condition.Using != nil:
return errors.New("unsupported: join with USING(column_list) clause")
}
}
lpb.bldr = &join{
Left: lpb.bldr,
Right: rpb.bldr,
ejoin: &engine.Join{
Opcode: opcode,
Vars: make(map[string]int),
},
}
lpb.bldr.Reorder(0)
if ajoin == nil || opcode == engine.LeftJoin {
return nil
}
return lpb.pushFilter(ajoin.Condition.On, sqlparser.WhereStr)
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] | // newJoin makes a new join using the two planBuilder. ajoin can be nil
// if the join is on a ',' operator. lpb will contain the resulting join.
// rpb will be discarded. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/planbuilder/join.go#L71-L113 | train |
vitessio/vitess | go/vt/workflow/manager.go | NewManager | func NewManager(ts *topo.Server) *Manager {
return &Manager{
ts: ts,
nodeManager: NewNodeManager(),
started: make(chan struct{}),
workflows: make(map[string]*runningWorkflow),
}
} | go | func NewManager(ts *topo.Server) *Manager {
return &Manager{
ts: ts,
nodeManager: NewNodeManager(),
started: make(chan struct{}),
workflows: make(map[string]*runningWorkflow),
}
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/workflow/manager.go#L127-L134 | train |
vitessio/vitess | go/vt/workflow/manager.go | Run | func (m *Manager) Run(ctx context.Context) {
// Save the context for all other jobs usage, and to indicate
// the manager is running.
m.mu.Lock()
if m.ctx != nil {
m.mu.Unlock()
panic("Manager is already running")
}
m.ctx = ctx
m.loadAndStartJobsLocked()
// Signal the successful startup.
close(m.started)
m.started = make(chan struct{})
m.mu.Unlock()
// Wait for the context to be canceled.
<-ctx.Done()
// Clear context and get a copy of the running jobs.
m.mu.Lock()
m.ctx = nil
runningWorkflows := m.workflows
m.workflows = make(map[string]*runningWorkflow)
m.mu.Unlock()
// Abort the running jobs. They won't save their state as
// m.ctx is nil and they know it means we're shutting down.
for _, rw := range runningWorkflows {
rw.cancel()
}
for _, rw := range runningWorkflows {
<-rw.done
}
} | go | func (m *Manager) Run(ctx context.Context) {
// Save the context for all other jobs usage, and to indicate
// the manager is running.
m.mu.Lock()
if m.ctx != nil {
m.mu.Unlock()
panic("Manager is already running")
}
m.ctx = ctx
m.loadAndStartJobsLocked()
// Signal the successful startup.
close(m.started)
m.started = make(chan struct{})
m.mu.Unlock()
// Wait for the context to be canceled.
<-ctx.Done()
// Clear context and get a copy of the running jobs.
m.mu.Lock()
m.ctx = nil
runningWorkflows := m.workflows
m.workflows = make(map[string]*runningWorkflow)
m.mu.Unlock()
// Abort the running jobs. They won't save their state as
// m.ctx is nil and they know it means we're shutting down.
for _, rw := range runningWorkflows {
rw.cancel()
}
for _, rw := range runningWorkflows {
<-rw.done
}
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// checkpoint from the topo Server, and for the ones that are in the
// Running state, will load them in memory and run them.
// It will not return until ctx is canceled. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/workflow/manager.go#L157-L190 | train |
vitessio/vitess | go/vt/workflow/manager.go | loadAndStartJobsLocked | func (m *Manager) loadAndStartJobsLocked() {
uuids, err := m.ts.GetWorkflowNames(m.ctx)
if err != nil {
log.Errorf("GetWorkflowNames failed to find existing workflows: %v", err)
return
}
for _, uuid := range uuids {
// Load workflows from the topo server, only look at
// 'Running' ones.
wi, err := m.ts.GetWorkflow(m.ctx, uuid)
if err != nil {
log.Errorf("Failed to load workflow %v, will not start it: %v", uuid, err)
continue
}
rw, err := m.instantiateWorkflow(wi.Workflow)
if err != nil {
log.Errorf("Failed to instantiate workflow %v from factory %v, will not start it: %v", uuid, wi.FactoryName, err)
continue
}
rw.wi = wi
if rw.wi.State == workflowpb.WorkflowState_Running {
m.runWorkflow(rw)
}
}
} | go | func (m *Manager) loadAndStartJobsLocked() {
uuids, err := m.ts.GetWorkflowNames(m.ctx)
if err != nil {
log.Errorf("GetWorkflowNames failed to find existing workflows: %v", err)
return
}
for _, uuid := range uuids {
// Load workflows from the topo server, only look at
// 'Running' ones.
wi, err := m.ts.GetWorkflow(m.ctx, uuid)
if err != nil {
log.Errorf("Failed to load workflow %v, will not start it: %v", uuid, err)
continue
}
rw, err := m.instantiateWorkflow(wi.Workflow)
if err != nil {
log.Errorf("Failed to instantiate workflow %v from factory %v, will not start it: %v", uuid, wi.FactoryName, err)
continue
}
rw.wi = wi
if rw.wi.State == workflowpb.WorkflowState_Running {
m.runWorkflow(rw)
}
}
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// in the topo Server. It needs to be run holding m.mu. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/workflow/manager.go#L213-L240 | train |
vitessio/vitess | go/vt/workflow/manager.go | Create | func (m *Manager) Create(ctx context.Context, factoryName string, args []string) (string, error) {
m.mu.Lock()
defer m.mu.Unlock()
// Find the factory.
factory, ok := factories[factoryName]
if !ok {
return "", fmt.Errorf("no factory named %v is registered", factoryName)
}
// Create the initial workflowpb.Workflow object.
w := &workflowpb.Workflow{
Uuid: gouuid.NewUUID().String(),
CreateTime: time.Now().UnixNano(),
FactoryName: factoryName,
State: workflowpb.WorkflowState_NotStarted,
}
// Let the factory parse the parameters and initialize the
// object.
if err := factory.Init(m, w, args); err != nil {
return "", err
}
rw, err := m.instantiateWorkflow(w)
if err != nil {
return "", err
}
// Now save the workflow in the topo server.
rw.wi, err = m.ts.CreateWorkflow(ctx, w)
if err != nil {
return "", err
}
// And we're done.
log.Infof("Created workflow %s (%s, %s)", w.Uuid, factoryName, w.Name)
return w.Uuid, nil
} | go | func (m *Manager) Create(ctx context.Context, factoryName string, args []string) (string, error) {
m.mu.Lock()
defer m.mu.Unlock()
// Find the factory.
factory, ok := factories[factoryName]
if !ok {
return "", fmt.Errorf("no factory named %v is registered", factoryName)
}
// Create the initial workflowpb.Workflow object.
w := &workflowpb.Workflow{
Uuid: gouuid.NewUUID().String(),
CreateTime: time.Now().UnixNano(),
FactoryName: factoryName,
State: workflowpb.WorkflowState_NotStarted,
}
// Let the factory parse the parameters and initialize the
// object.
if err := factory.Init(m, w, args); err != nil {
return "", err
}
rw, err := m.instantiateWorkflow(w)
if err != nil {
return "", err
}
// Now save the workflow in the topo server.
rw.wi, err = m.ts.CreateWorkflow(ctx, w)
if err != nil {
return "", err
}
// And we're done.
log.Infof("Created workflow %s (%s, %s)", w.Uuid, factoryName, w.Name)
return w.Uuid, nil
} | [
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] | // Create creates a workflow from the given factory name with the
// provided args. Returns the unique UUID of the workflow. The
// workflowpb.Workflow object is saved in the topo server after
// creation. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/workflow/manager.go#L246-L283 | train |
vitessio/vitess | go/vt/workflow/manager.go | Stop | func (m *Manager) Stop(ctx context.Context, uuid string) error {
// Find the workflow, mark it as stopped.
m.mu.Lock()
rw, ok := m.workflows[uuid]
if !ok {
m.mu.Unlock()
return fmt.Errorf("no running workflow with uuid %v", uuid)
}
rw.stopped = true
m.mu.Unlock()
// Cancel the running guy, and waits for it.
rw.cancel()
select {
case <-rw.done:
break
case <-ctx.Done():
return ctx.Err()
}
return nil
} | go | func (m *Manager) Stop(ctx context.Context, uuid string) error {
// Find the workflow, mark it as stopped.
m.mu.Lock()
rw, ok := m.workflows[uuid]
if !ok {
m.mu.Unlock()
return fmt.Errorf("no running workflow with uuid %v", uuid)
}
rw.stopped = true
m.mu.Unlock()
// Cancel the running guy, and waits for it.
rw.cancel()
select {
case <-rw.done:
break
case <-ctx.Done():
return ctx.Err()
}
return nil
} | [
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// wait for it to exit. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/workflow/manager.go#L416-L436 | train |
vitessio/vitess | go/vt/workflow/manager.go | Delete | func (m *Manager) Delete(ctx context.Context, uuid string) error {
m.mu.Lock()
defer m.mu.Unlock()
rw, ok := m.workflows[uuid]
if !ok {
return fmt.Errorf("no workflow with uuid %v", uuid)
}
if rw.wi.State == workflowpb.WorkflowState_Running {
return fmt.Errorf("cannot delete running workflow")
}
if err := m.ts.DeleteWorkflow(m.ctx, rw.wi); err != nil {
log.Errorf("Could not delete workflow %v: %v", rw.wi, err)
}
m.nodeManager.RemoveRootNode(rw.rootNode)
delete(m.workflows, uuid)
return nil
} | go | func (m *Manager) Delete(ctx context.Context, uuid string) error {
m.mu.Lock()
defer m.mu.Unlock()
rw, ok := m.workflows[uuid]
if !ok {
return fmt.Errorf("no workflow with uuid %v", uuid)
}
if rw.wi.State == workflowpb.WorkflowState_Running {
return fmt.Errorf("cannot delete running workflow")
}
if err := m.ts.DeleteWorkflow(m.ctx, rw.wi); err != nil {
log.Errorf("Could not delete workflow %v: %v", rw.wi, err)
}
m.nodeManager.RemoveRootNode(rw.rootNode)
delete(m.workflows, uuid)
return nil
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/workflow/manager.go#L439-L456 | train |
vitessio/vitess | go/vt/workflow/manager.go | Wait | func (m *Manager) Wait(ctx context.Context, uuid string) error {
// Find the workflow.
rw, err := m.runningWorkflow(uuid)
if err != nil {
return err
}
// Just wait for it.
select {
case <-rw.done:
break
case <-ctx.Done():
return ctx.Err()
}
return nil
} | go | func (m *Manager) Wait(ctx context.Context, uuid string) error {
// Find the workflow.
rw, err := m.runningWorkflow(uuid)
if err != nil {
return err
}
// Just wait for it.
select {
case <-rw.done:
break
case <-ctx.Done():
return ctx.Err()
}
return nil
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/workflow/manager.go#L459-L474 | train |
vitessio/vitess | go/vt/workflow/manager.go | runningWorkflow | func (m *Manager) runningWorkflow(uuid string) (*runningWorkflow, error) {
m.mu.Lock()
defer m.mu.Unlock()
rw, ok := m.workflows[uuid]
if !ok {
return nil, fmt.Errorf("no running workflow with uuid %v", uuid)
}
return rw, nil
} | go | func (m *Manager) runningWorkflow(uuid string) (*runningWorkflow, error) {
m.mu.Lock()
defer m.mu.Unlock()
rw, ok := m.workflows[uuid]
if !ok {
return nil, fmt.Errorf("no running workflow with uuid %v", uuid)
}
return rw, nil
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/workflow/manager.go#L498-L507 | train |
vitessio/vitess | go/vt/workflow/manager.go | Unregister | func Unregister(name string) {
if _, ok := factories[name]; !ok {
log.Warningf("workflow %v doesn't exist, cannot remove it", name)
} else {
delete(factories, name)
}
} | go | func Unregister(name string) {
if _, ok := factories[name]; !ok {
log.Warningf("workflow %v doesn't exist, cannot remove it", name)
} else {
delete(factories, name)
}
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/workflow/manager.go#L572-L578 | train |
vitessio/vitess | go/vt/workflow/manager.go | AvailableFactories | func AvailableFactories() map[string]bool {
result := make(map[string]bool)
for n := range factories {
result[n] = true
}
return result
} | go | func AvailableFactories() map[string]bool {
result := make(map[string]bool)
for n := range factories {
result[n] = true
}
return result
} | [
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vitessio/vitess | go/vt/workflow/manager.go | StartManager | func StartManager(m *Manager) (*sync.WaitGroup, context.Context, context.CancelFunc) {
ctx, cancel := context.WithCancel(context.Background())
wg := &sync.WaitGroup{}
wg.Add(1)
go func() {
m.Run(ctx)
wg.Done()
}()
m.WaitUntilRunning()
return wg, ctx, cancel
} | go | func StartManager(m *Manager) (*sync.WaitGroup, context.Context, context.CancelFunc) {
ctx, cancel := context.WithCancel(context.Background())
wg := &sync.WaitGroup{}
wg.Add(1)
go func() {
m.Run(ctx)
wg.Done()
}()
m.WaitUntilRunning()
return wg, ctx, cancel
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/workflow/manager.go#L591-L603 | train |
vitessio/vitess | go/vt/worker/events/split_syslog.go | Syslog | func (ev *SplitClone) Syslog() (syslog.Priority, string) {
return syslog.LOG_INFO, fmt.Sprintf("%s/%s/%s [split clone] %s",
ev.Keyspace, ev.Shard, ev.Cell, ev.Status)
} | go | func (ev *SplitClone) Syslog() (syslog.Priority, string) {
return syslog.LOG_INFO, fmt.Sprintf("%s/%s/%s [split clone] %s",
ev.Keyspace, ev.Shard, ev.Cell, ev.Status)
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] | // Syslog writes a SplitClone event to syslog. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/worker/events/split_syslog.go#L27-L30 | train |
vitessio/vitess | go/vt/vttablet/tabletserver/query_executor.go | Stream | func (qre *QueryExecutor) Stream(callback func(*sqltypes.Result) error) error {
qre.logStats.OriginalSQL = qre.query
qre.logStats.PlanType = qre.plan.PlanID.String()
defer func(start time.Time) {
tabletenv.QueryStats.Record(qre.plan.PlanID.String(), start)
tabletenv.RecordUserQuery(qre.ctx, qre.plan.TableName(), "Stream", int64(time.Since(start)))
}(time.Now())
if err := qre.checkPermissions(); err != nil {
return err
}
// if we have a transaction id, let's use the txPool for this query
var conn *connpool.DBConn
if qre.transactionID != 0 {
txConn, err := qre.tsv.te.txPool.Get(qre.transactionID, "for streaming query")
if err != nil {
return err
}
defer txConn.Recycle()
conn = txConn.DBConn
} else {
dbConn, err := qre.getStreamConn()
if err != nil {
return err
}
defer dbConn.Recycle()
conn = dbConn
}
qd := NewQueryDetail(qre.logStats.Ctx, conn)
qre.tsv.qe.streamQList.Add(qd)
defer qre.tsv.qe.streamQList.Remove(qd)
return qre.streamFetch(conn, qre.plan.FullQuery, qre.bindVars, "", callback)
} | go | func (qre *QueryExecutor) Stream(callback func(*sqltypes.Result) error) error {
qre.logStats.OriginalSQL = qre.query
qre.logStats.PlanType = qre.plan.PlanID.String()
defer func(start time.Time) {
tabletenv.QueryStats.Record(qre.plan.PlanID.String(), start)
tabletenv.RecordUserQuery(qre.ctx, qre.plan.TableName(), "Stream", int64(time.Since(start)))
}(time.Now())
if err := qre.checkPermissions(); err != nil {
return err
}
// if we have a transaction id, let's use the txPool for this query
var conn *connpool.DBConn
if qre.transactionID != 0 {
txConn, err := qre.tsv.te.txPool.Get(qre.transactionID, "for streaming query")
if err != nil {
return err
}
defer txConn.Recycle()
conn = txConn.DBConn
} else {
dbConn, err := qre.getStreamConn()
if err != nil {
return err
}
defer dbConn.Recycle()
conn = dbConn
}
qd := NewQueryDetail(qre.logStats.Ctx, conn)
qre.tsv.qe.streamQList.Add(qd)
defer qre.tsv.qe.streamQList.Remove(qd)
return qre.streamFetch(conn, qre.plan.FullQuery, qre.bindVars, "", callback)
} | [
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"execution",
"."
] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/tabletserver/query_executor.go#L204-L240 | train |
vitessio/vitess | go/vt/vttablet/tabletserver/query_executor.go | MessageStream | func (qre *QueryExecutor) MessageStream(callback func(*sqltypes.Result) error) error {
qre.logStats.OriginalSQL = qre.query
qre.logStats.PlanType = qre.plan.PlanID.String()
defer func(start time.Time) {
tabletenv.QueryStats.Record(qre.plan.PlanID.String(), start)
tabletenv.RecordUserQuery(qre.ctx, qre.plan.TableName(), "MessageStream", int64(time.Since(start)))
}(time.Now())
if err := qre.checkPermissions(); err != nil {
return err
}
done, err := qre.tsv.messager.Subscribe(qre.ctx, qre.plan.TableName().String(), func(r *sqltypes.Result) error {
select {
case <-qre.ctx.Done():
return io.EOF
default:
}
return callback(r)
})
if err != nil {
return err
}
<-done
return nil
} | go | func (qre *QueryExecutor) MessageStream(callback func(*sqltypes.Result) error) error {
qre.logStats.OriginalSQL = qre.query
qre.logStats.PlanType = qre.plan.PlanID.String()
defer func(start time.Time) {
tabletenv.QueryStats.Record(qre.plan.PlanID.String(), start)
tabletenv.RecordUserQuery(qre.ctx, qre.plan.TableName(), "MessageStream", int64(time.Since(start)))
}(time.Now())
if err := qre.checkPermissions(); err != nil {
return err
}
done, err := qre.tsv.messager.Subscribe(qre.ctx, qre.plan.TableName().String(), func(r *sqltypes.Result) error {
select {
case <-qre.ctx.Done():
return io.EOF
default:
}
return callback(r)
})
if err != nil {
return err
}
<-done
return nil
} | [
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] | // MessageStream streams messages from a message table. | [
"MessageStream",
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"messages",
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"message",
"table",
"."
] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/tabletserver/query_executor.go#L243-L269 | train |
vitessio/vitess | go/vt/vttablet/tabletserver/query_executor.go | execDirect | func (qre *QueryExecutor) execDirect(conn *TxConnection) (*sqltypes.Result, error) {
if qre.plan.Fields != nil {
result, err := qre.txFetch(conn, qre.plan.FullQuery, qre.bindVars, nil, "", true, false)
if err != nil {
return nil, err
}
result.Fields = qre.plan.Fields
return result, nil
}
return qre.txFetch(conn, qre.plan.FullQuery, qre.bindVars, nil, "", true, false)
} | go | func (qre *QueryExecutor) execDirect(conn *TxConnection) (*sqltypes.Result, error) {
if qre.plan.Fields != nil {
result, err := qre.txFetch(conn, qre.plan.FullQuery, qre.bindVars, nil, "", true, false)
if err != nil {
return nil, err
}
result.Fields = qre.plan.Fields
return result, nil
}
return qre.txFetch(conn, qre.plan.FullQuery, qre.bindVars, nil, "", true, false)
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/tabletserver/query_executor.go#L523-L533 | train |
vitessio/vitess | go/vt/vttablet/tabletserver/query_executor.go | execSelect | func (qre *QueryExecutor) execSelect() (*sqltypes.Result, error) {
if qre.plan.Fields != nil {
result, err := qre.qFetch(qre.logStats, qre.plan.FullQuery, qre.bindVars)
if err != nil {
return nil, err
}
// result is read-only. So, let's copy it before modifying.
newResult := *result
newResult.Fields = qre.plan.Fields
return &newResult, nil
}
conn, err := qre.getConn()
if err != nil {
return nil, err
}
defer conn.Recycle()
return qre.dbConnFetch(conn, qre.plan.FullQuery, qre.bindVars, "", true)
} | go | func (qre *QueryExecutor) execSelect() (*sqltypes.Result, error) {
if qre.plan.Fields != nil {
result, err := qre.qFetch(qre.logStats, qre.plan.FullQuery, qre.bindVars)
if err != nil {
return nil, err
}
// result is read-only. So, let's copy it before modifying.
newResult := *result
newResult.Fields = qre.plan.Fields
return &newResult, nil
}
conn, err := qre.getConn()
if err != nil {
return nil, err
}
defer conn.Recycle()
return qre.dbConnFetch(conn, qre.plan.FullQuery, qre.bindVars, "", true)
} | [
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] | // execSelect sends a query to mysql only if another identical query is not running. Otherwise, it waits and
// reuses the result. If the plan is missng field info, it sends the query to mysql requesting full info. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/tabletserver/query_executor.go#L537-L554 | train |
vitessio/vitess | go/vt/vttablet/tabletserver/query_executor.go | txFetch | func (qre *QueryExecutor) txFetch(conn *TxConnection, parsedQuery *sqlparser.ParsedQuery, bindVars map[string]*querypb.BindVariable, extras map[string]sqlparser.Encodable, buildStreamComment string, wantfields, record bool) (*sqltypes.Result, error) {
sql, _, err := qre.generateFinalSQL(parsedQuery, bindVars, extras, buildStreamComment)
if err != nil {
return nil, err
}
qr, err := qre.execSQL(conn, sql, wantfields)
if err != nil {
return nil, err
}
// Only record successful queries.
if record {
conn.RecordQuery(sql)
}
return qr, nil
} | go | func (qre *QueryExecutor) txFetch(conn *TxConnection, parsedQuery *sqlparser.ParsedQuery, bindVars map[string]*querypb.BindVariable, extras map[string]sqlparser.Encodable, buildStreamComment string, wantfields, record bool) (*sqltypes.Result, error) {
sql, _, err := qre.generateFinalSQL(parsedQuery, bindVars, extras, buildStreamComment)
if err != nil {
return nil, err
}
qr, err := qre.execSQL(conn, sql, wantfields)
if err != nil {
return nil, err
}
// Only record successful queries.
if record {
conn.RecordQuery(sql)
}
return qr, nil
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/tabletserver/query_executor.go#L861-L875 | train |
vitessio/vitess | go/vt/vttablet/tabletserver/query_executor.go | dbConnFetch | func (qre *QueryExecutor) dbConnFetch(conn *connpool.DBConn, parsedQuery *sqlparser.ParsedQuery, bindVars map[string]*querypb.BindVariable, buildStreamComment string, wantfields bool) (*sqltypes.Result, error) {
sql, _, err := qre.generateFinalSQL(parsedQuery, bindVars, nil, buildStreamComment)
if err != nil {
return nil, err
}
return qre.execSQL(conn, sql, wantfields)
} | go | func (qre *QueryExecutor) dbConnFetch(conn *connpool.DBConn, parsedQuery *sqlparser.ParsedQuery, bindVars map[string]*querypb.BindVariable, buildStreamComment string, wantfields bool) (*sqltypes.Result, error) {
sql, _, err := qre.generateFinalSQL(parsedQuery, bindVars, nil, buildStreamComment)
if err != nil {
return nil, err
}
return qre.execSQL(conn, sql, wantfields)
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/tabletserver/query_executor.go#L878-L884 | train |
vitessio/vitess | go/vt/vttablet/tabletserver/query_executor.go | streamFetch | func (qre *QueryExecutor) streamFetch(conn *connpool.DBConn, parsedQuery *sqlparser.ParsedQuery, bindVars map[string]*querypb.BindVariable, buildStreamComment string, callback func(*sqltypes.Result) error) error {
sql, _, err := qre.generateFinalSQL(parsedQuery, bindVars, nil, buildStreamComment)
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return err
}
return qre.execStreamSQL(conn, sql, callback)
} | go | func (qre *QueryExecutor) streamFetch(conn *connpool.DBConn, parsedQuery *sqlparser.ParsedQuery, bindVars map[string]*querypb.BindVariable, buildStreamComment string, callback func(*sqltypes.Result) error) error {
sql, _, err := qre.generateFinalSQL(parsedQuery, bindVars, nil, buildStreamComment)
if err != nil {
return err
}
return qre.execStreamSQL(conn, sql, callback)
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/tabletserver/query_executor.go#L887-L893 | train |
vitessio/vitess | go/vt/vtctl/fakevtctlclient/fakevtctlclient.go | FakeVtctlClientFactory | func (f *FakeVtctlClient) FakeVtctlClientFactory(addr string) (vtctlclient.VtctlClient, error) {
return f, nil
} | go | func (f *FakeVtctlClient) FakeVtctlClientFactory(addr string) (vtctlclient.VtctlClient, error) {
return f, nil
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtctl/fakevtctlclient/fakevtctlclient.go#L41-L43 | train |
vitessio/vitess | go/vt/vtctl/fakevtctlclient/fakevtctlclient.go | ExecuteVtctlCommand | func (f *FakeVtctlClient) ExecuteVtctlCommand(ctx context.Context, args []string, actionTimeout time.Duration) (logutil.EventStream, error) {
return f.FakeLoggerEventStreamingClient.StreamResult("" /* addr */, args)
} | go | func (f *FakeVtctlClient) ExecuteVtctlCommand(ctx context.Context, args []string, actionTimeout time.Duration) (logutil.EventStream, error) {
return f.FakeLoggerEventStreamingClient.StreamResult("" /* addr */, args)
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtctl/fakevtctlclient/fakevtctlclient.go#L46-L48 | train |
vitessio/vitess | go/vt/vttablet/tabletmanager/vreplication/replicator_plan.go | buildExecutionPlan | func (rp *ReplicatorPlan) buildExecutionPlan(fieldEvent *binlogdatapb.FieldEvent) (*TablePlan, error) {
prelim := rp.TablePlans[fieldEvent.TableName]
if prelim == nil {
// Unreachable code.
return nil, fmt.Errorf("plan not found for %s", fieldEvent.TableName)
}
if prelim.Insert != nil {
tplanv := *prelim
tplanv.Fields = fieldEvent.Fields
return &tplanv, nil
}
// select * construct was used. We need to use the field names.
tplan, err := rp.buildFromFields(prelim.TargetName, fieldEvent.Fields)
if err != nil {
return nil, err
}
tplan.Fields = fieldEvent.Fields
return tplan, nil
} | go | func (rp *ReplicatorPlan) buildExecutionPlan(fieldEvent *binlogdatapb.FieldEvent) (*TablePlan, error) {
prelim := rp.TablePlans[fieldEvent.TableName]
if prelim == nil {
// Unreachable code.
return nil, fmt.Errorf("plan not found for %s", fieldEvent.TableName)
}
if prelim.Insert != nil {
tplanv := *prelim
tplanv.Fields = fieldEvent.Fields
return &tplanv, nil
}
// select * construct was used. We need to use the field names.
tplan, err := rp.buildFromFields(prelim.TargetName, fieldEvent.Fields)
if err != nil {
return nil, err
}
tplan.Fields = fieldEvent.Fields
return tplan, nil
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// TablePlan for that table to build a full plan. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/tabletmanager/vreplication/replicator_plan.go#L47-L65 | train |
vitessio/vitess | go/vt/vttablet/tabletserver/queryz.go | MysqlTimePQ | func (qzs *queryzRow) MysqlTimePQ() string {
val := float64(qzs.mysqlTime) / (1e9 * float64(qzs.Count))
return fmt.Sprintf("%.6f", val)
} | go | func (qzs *queryzRow) MysqlTimePQ() string {
val := float64(qzs.mysqlTime) / (1e9 * float64(qzs.Count))
return fmt.Sprintf("%.6f", val)
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/tabletserver/queryz.go#L106-L109 | train |
vitessio/vitess | go/vt/vttablet/tabletserver/queryz.go | RowsPQ | func (qzs *queryzRow) RowsPQ() string {
val := float64(qzs.Rows) / float64(qzs.Count)
return fmt.Sprintf("%.6f", val)
} | go | func (qzs *queryzRow) RowsPQ() string {
val := float64(qzs.Rows) / float64(qzs.Count)
return fmt.Sprintf("%.6f", val)
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/tabletserver/queryz.go#L112-L115 | train |
vitessio/vitess | go/vt/vttablet/tabletserver/queryz.go | ErrorsPQ | func (qzs *queryzRow) ErrorsPQ() string {
return fmt.Sprintf("%.6f", float64(qzs.Errors)/float64(qzs.Count))
} | go | func (qzs *queryzRow) ErrorsPQ() string {
return fmt.Sprintf("%.6f", float64(qzs.Errors)/float64(qzs.Count))
} | [
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")",
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] | // ErrorsPQ returns the error count per query as a string. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/tabletserver/queryz.go#L118-L120 | train |
vitessio/vitess | go/vt/worker/table_status.go | format | func (t *tableStatusList) format() ([]string, time.Time) {
if !t.isInitialized() {
return nil, time.Now()
}
copiedRows := uint64(0)
rowCount := uint64(0)
result := make([]string, len(t.tableStatuses))
for i, ts := range t.tableStatuses {
ts.mu.Lock()
if ts.isView {
// views are not copied
result[i] = fmt.Sprintf("%v is a view", ts.name)
} else if ts.threadsStarted == 0 {
// we haven't started yet
result[i] = fmt.Sprintf("%v: copy not started (estimating %v rows)", ts.name, ts.rowCount)
} else if ts.threadsDone == ts.threadCount {
// we are done with the copy
result[i] = fmt.Sprintf("%v: copy done, processed %v rows", ts.name, ts.copiedRows)
} else {
// copy is running
// Display 0% if rowCount is 0 because the actual number of rows can be > 0
// due to InnoDB's imperfect statistics.
percentage := 0.0
if ts.rowCount > 0 {
percentage = float64(ts.copiedRows) / float64(ts.rowCount) * 100.0
}
result[i] = fmt.Sprintf("%v: copy running using %v threads (%v/%v rows processed, %.1f%%)", ts.name, ts.threadsStarted-ts.threadsDone, ts.copiedRows, ts.rowCount, percentage)
}
copiedRows += ts.copiedRows
rowCount += ts.rowCount
ts.mu.Unlock()
}
now := time.Now()
if rowCount == 0 || copiedRows == 0 {
return result, now
}
eta := now.Add(time.Duration(float64(now.Sub(t.startTime)) * float64(rowCount) / float64(copiedRows)))
return result, eta
} | go | func (t *tableStatusList) format() ([]string, time.Time) {
if !t.isInitialized() {
return nil, time.Now()
}
copiedRows := uint64(0)
rowCount := uint64(0)
result := make([]string, len(t.tableStatuses))
for i, ts := range t.tableStatuses {
ts.mu.Lock()
if ts.isView {
// views are not copied
result[i] = fmt.Sprintf("%v is a view", ts.name)
} else if ts.threadsStarted == 0 {
// we haven't started yet
result[i] = fmt.Sprintf("%v: copy not started (estimating %v rows)", ts.name, ts.rowCount)
} else if ts.threadsDone == ts.threadCount {
// we are done with the copy
result[i] = fmt.Sprintf("%v: copy done, processed %v rows", ts.name, ts.copiedRows)
} else {
// copy is running
// Display 0% if rowCount is 0 because the actual number of rows can be > 0
// due to InnoDB's imperfect statistics.
percentage := 0.0
if ts.rowCount > 0 {
percentage = float64(ts.copiedRows) / float64(ts.rowCount) * 100.0
}
result[i] = fmt.Sprintf("%v: copy running using %v threads (%v/%v rows processed, %.1f%%)", ts.name, ts.threadsStarted-ts.threadsDone, ts.copiedRows, ts.rowCount, percentage)
}
copiedRows += ts.copiedRows
rowCount += ts.rowCount
ts.mu.Unlock()
}
now := time.Now()
if rowCount == 0 || copiedRows == 0 {
return result, now
}
eta := now.Add(time.Duration(float64(now.Sub(t.startTime)) * float64(rowCount) / float64(copiedRows)))
return result, eta
} | [
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] | // format returns a status for each table and the overall ETA. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/worker/table_status.go#L104-L143 | train |
vitessio/vitess | go/vt/workflow/checkpoint.go | NewCheckpointWriter | func NewCheckpointWriter(ts *topo.Server, checkpoint *workflowpb.WorkflowCheckpoint, wi *topo.WorkflowInfo) *CheckpointWriter {
return &CheckpointWriter{
topoServer: ts,
checkpoint: checkpoint,
wi: wi,
}
} | go | func NewCheckpointWriter(ts *topo.Server, checkpoint *workflowpb.WorkflowCheckpoint, wi *topo.WorkflowInfo) *CheckpointWriter {
return &CheckpointWriter{
topoServer: ts,
checkpoint: checkpoint,
wi: wi,
}
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/workflow/checkpoint.go#L41-L47 | train |
vitessio/vitess | go/vt/workflow/checkpoint.go | UpdateTask | func (c *CheckpointWriter) UpdateTask(taskID string, status workflowpb.TaskState, err error) error {
c.mu.Lock()
defer c.mu.Unlock()
errorMessage := ""
if err != nil {
errorMessage = err.Error()
}
t := c.checkpoint.Tasks[taskID]
t.State = status
t.Error = errorMessage
return c.saveLocked()
} | go | func (c *CheckpointWriter) UpdateTask(taskID string, status workflowpb.TaskState, err error) error {
c.mu.Lock()
defer c.mu.Unlock()
errorMessage := ""
if err != nil {
errorMessage = err.Error()
}
t := c.checkpoint.Tasks[taskID]
t.State = status
t.Error = errorMessage
return c.saveLocked()
} | [
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] | // UpdateTask updates the task status in the checkpointing copy and
// saves the full checkpoint to the topology server. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/workflow/checkpoint.go#L51-L64 | train |
vitessio/vitess | go/vt/vttablet/customrule/topocustomrule/topocustomrule.go | activateTopoCustomRules | func activateTopoCustomRules(qsc tabletserver.Controller) {
if *rulePath != "" {
qsc.RegisterQueryRuleSource(topoCustomRuleSource)
cr, err := newTopoCustomRule(qsc, *ruleCell, *rulePath)
if err != nil {
log.Fatalf("cannot start TopoCustomRule: %v", err)
}
cr.start()
servenv.OnTerm(cr.stop)
}
} | go | func activateTopoCustomRules(qsc tabletserver.Controller) {
if *rulePath != "" {
qsc.RegisterQueryRuleSource(topoCustomRuleSource)
cr, err := newTopoCustomRule(qsc, *ruleCell, *rulePath)
if err != nil {
log.Fatalf("cannot start TopoCustomRule: %v", err)
}
cr.start()
servenv.OnTerm(cr.stop)
}
} | [
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] | // activateTopoCustomRules activates topo dynamic custom rule mechanism. | [
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"."
] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/customrule/topocustomrule/topocustomrule.go#L189-L201 | train |
vitessio/vitess | go/vt/vtexplain/vtexplain_vttablet.go | CreateTransaction | func (t *explainTablet) CreateTransaction(ctx context.Context, target *querypb.Target, dtid string, participants []*querypb.Target) (err error) {
t.mu.Lock()
t.currentTime = batchTime.Wait()
t.mu.Unlock()
return t.tsv.CreateTransaction(ctx, target, dtid, participants)
} | go | func (t *explainTablet) CreateTransaction(ctx context.Context, target *querypb.Target, dtid string, participants []*querypb.Target) (err error) {
t.mu.Lock()
t.currentTime = batchTime.Wait()
t.mu.Unlock()
return t.tsv.CreateTransaction(ctx, target, dtid, participants)
} | [
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] | // CreateTransaction is part of the QueryService interface. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtexplain/vtexplain_vttablet.go#L186-L191 | train |
vitessio/vitess | go/vt/vtexplain/vtexplain_vttablet.go | Close | func (t *explainTablet) Close(ctx context.Context) error {
return t.tsv.Close(ctx)
} | go | func (t *explainTablet) Close(ctx context.Context) error {
return t.tsv.Close(ctx)
} | [
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] | // Close is part of the QueryService interface. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtexplain/vtexplain_vttablet.go#L261-L263 | train |
vitessio/vitess | go/vt/discovery/topology_watcher.go | NewCellTabletsWatcher | func NewCellTabletsWatcher(ctx context.Context, topoServer *topo.Server, tr TabletRecorder, cell string, refreshInterval time.Duration, refreshKnownTablets bool, topoReadConcurrency int) *TopologyWatcher {
return NewTopologyWatcher(ctx, topoServer, tr, cell, refreshInterval, refreshKnownTablets, topoReadConcurrency, func(tw *TopologyWatcher) ([]*topodatapb.TabletAlias, error) {
return tw.topoServer.GetTabletsByCell(ctx, tw.cell)
})
} | go | func NewCellTabletsWatcher(ctx context.Context, topoServer *topo.Server, tr TabletRecorder, cell string, refreshInterval time.Duration, refreshKnownTablets bool, topoReadConcurrency int) *TopologyWatcher {
return NewTopologyWatcher(ctx, topoServer, tr, cell, refreshInterval, refreshKnownTablets, topoReadConcurrency, func(tw *TopologyWatcher) ([]*topodatapb.TabletAlias, error) {
return tw.topoServer.GetTabletsByCell(ctx, tw.cell)
})
} | [
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] | // NewCellTabletsWatcher returns a TopologyWatcher that monitors all
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/discovery/topology_watcher.go#L72-L76 | train |
vitessio/vitess | go/vt/discovery/topology_watcher.go | NewTopologyWatcher | func NewTopologyWatcher(ctx context.Context, topoServer *topo.Server, tr TabletRecorder, cell string, refreshInterval time.Duration, refreshKnownTablets bool, topoReadConcurrency int, getTablets func(tw *TopologyWatcher) ([]*topodatapb.TabletAlias, error)) *TopologyWatcher {
tw := &TopologyWatcher{
topoServer: topoServer,
tr: tr,
cell: cell,
refreshInterval: refreshInterval,
refreshKnownTablets: refreshKnownTablets,
getTablets: getTablets,
sem: make(chan int, topoReadConcurrency),
tablets: make(map[string]*tabletInfo),
}
tw.firstLoadChan = make(chan struct{})
// We want the span from the context, but not the cancelation that comes with it
spanContext := trace.CopySpan(context.Background(), ctx)
tw.ctx, tw.cancelFunc = context.WithCancel(spanContext)
tw.wg.Add(1)
go tw.watch()
return tw
} | go | func NewTopologyWatcher(ctx context.Context, topoServer *topo.Server, tr TabletRecorder, cell string, refreshInterval time.Duration, refreshKnownTablets bool, topoReadConcurrency int, getTablets func(tw *TopologyWatcher) ([]*topodatapb.TabletAlias, error)) *TopologyWatcher {
tw := &TopologyWatcher{
topoServer: topoServer,
tr: tr,
cell: cell,
refreshInterval: refreshInterval,
refreshKnownTablets: refreshKnownTablets,
getTablets: getTablets,
sem: make(chan int, topoReadConcurrency),
tablets: make(map[string]*tabletInfo),
}
tw.firstLoadChan = make(chan struct{})
// We want the span from the context, but not the cancelation that comes with it
spanContext := trace.CopySpan(context.Background(), ctx)
tw.ctx, tw.cancelFunc = context.WithCancel(spanContext)
tw.wg.Add(1)
go tw.watch()
return tw
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/discovery/topology_watcher.go#L141-L160 | train |
vitessio/vitess | go/vt/discovery/topology_watcher.go | RefreshLag | func (tw *TopologyWatcher) RefreshLag() time.Duration {
tw.mu.Lock()
defer tw.mu.Unlock()
return time.Since(tw.lastRefresh)
} | go | func (tw *TopologyWatcher) RefreshLag() time.Duration {
tw.mu.Lock()
defer tw.mu.Unlock()
return time.Since(tw.lastRefresh)
} | [
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] | // RefreshLag returns the time since the last refresh | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/discovery/topology_watcher.go#L323-L328 | train |
vitessio/vitess | go/vt/discovery/topology_watcher.go | TopoChecksum | func (tw *TopologyWatcher) TopoChecksum() uint32 {
tw.mu.Lock()
defer tw.mu.Unlock()
return tw.topoChecksum
} | go | func (tw *TopologyWatcher) TopoChecksum() uint32 {
tw.mu.Lock()
defer tw.mu.Unlock()
return tw.topoChecksum
} | [
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] | // TopoChecksum returns the checksum of the current state of the topo | [
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vitessio/vitess | go/vt/discovery/topology_watcher.go | NewFilterByShard | func NewFilterByShard(tr TabletRecorder, filters []string) (*FilterByShard, error) {
m := make(map[string][]*filterShard)
for _, filter := range filters {
parts := strings.Split(filter, "|")
if len(parts) != 2 {
return nil, fmt.Errorf("invalid FilterByShard parameter: %v", filter)
}
keyspace := parts[0]
shard := parts[1]
// extract keyrange if it's a range
canonical, kr, err := topo.ValidateShardName(shard)
if err != nil {
return nil, fmt.Errorf("error parsing shard name %v: %v", shard, err)
}
// check for duplicates
for _, c := range m[keyspace] {
if c.shard == canonical {
return nil, fmt.Errorf("duplicate %v/%v entry", keyspace, shard)
}
}
m[keyspace] = append(m[keyspace], &filterShard{
keyspace: keyspace,
shard: canonical,
keyRange: kr,
})
}
return &FilterByShard{
tr: tr,
filters: m,
}, nil
} | go | func NewFilterByShard(tr TabletRecorder, filters []string) (*FilterByShard, error) {
m := make(map[string][]*filterShard)
for _, filter := range filters {
parts := strings.Split(filter, "|")
if len(parts) != 2 {
return nil, fmt.Errorf("invalid FilterByShard parameter: %v", filter)
}
keyspace := parts[0]
shard := parts[1]
// extract keyrange if it's a range
canonical, kr, err := topo.ValidateShardName(shard)
if err != nil {
return nil, fmt.Errorf("error parsing shard name %v: %v", shard, err)
}
// check for duplicates
for _, c := range m[keyspace] {
if c.shard == canonical {
return nil, fmt.Errorf("duplicate %v/%v entry", keyspace, shard)
}
}
m[keyspace] = append(m[keyspace], &filterShard{
keyspace: keyspace,
shard: canonical,
keyRange: kr,
})
}
return &FilterByShard{
tr: tr,
filters: m,
}, nil
} | [
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// TabletRecorder. Each filter is a keyspace|shard entry, where shard
// can either be a shard name, or a keyrange. All tablets that match
// at least one keyspace|shard tuple will be forwarded to the
// underlying TabletRecorder. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/discovery/topology_watcher.go#L361-L396 | train |
vitessio/vitess | go/vt/discovery/topology_watcher.go | AddTablet | func (fbs *FilterByShard) AddTablet(tablet *topodatapb.Tablet, name string) {
if fbs.isIncluded(tablet) {
fbs.tr.AddTablet(tablet, name)
}
} | go | func (fbs *FilterByShard) AddTablet(tablet *topodatapb.Tablet, name string) {
if fbs.isIncluded(tablet) {
fbs.tr.AddTablet(tablet, name)
}
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/discovery/topology_watcher.go#L399-L403 | train |
vitessio/vitess | go/vt/discovery/topology_watcher.go | RemoveTablet | func (fbs *FilterByShard) RemoveTablet(tablet *topodatapb.Tablet) {
if fbs.isIncluded(tablet) {
fbs.tr.RemoveTablet(tablet)
}
} | go | func (fbs *FilterByShard) RemoveTablet(tablet *topodatapb.Tablet) {
if fbs.isIncluded(tablet) {
fbs.tr.RemoveTablet(tablet)
}
} | [
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] | // RemoveTablet is part of the TabletRecorder interface. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/discovery/topology_watcher.go#L406-L410 | train |
vitessio/vitess | go/vt/discovery/topology_watcher.go | ReplaceTablet | func (fbs *FilterByShard) ReplaceTablet(old, new *topodatapb.Tablet, name string) {
if fbs.isIncluded(old) && fbs.isIncluded(new) {
fbs.tr.ReplaceTablet(old, new, name)
}
} | go | func (fbs *FilterByShard) ReplaceTablet(old, new *topodatapb.Tablet, name string) {
if fbs.isIncluded(old) && fbs.isIncluded(new) {
fbs.tr.ReplaceTablet(old, new, name)
}
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/discovery/topology_watcher.go#L413-L417 | train |
vitessio/vitess | go/vt/discovery/topology_watcher.go | isIncluded | func (fbs *FilterByShard) isIncluded(tablet *topodatapb.Tablet) bool {
canonical, kr, err := topo.ValidateShardName(tablet.Shard)
if err != nil {
log.Errorf("Error parsing shard name %v, will ignore tablet: %v", tablet.Shard, err)
return false
}
for _, c := range fbs.filters[tablet.Keyspace] {
if canonical == c.shard {
// Exact match (probably a non-sharded keyspace).
return true
}
if kr != nil && c.keyRange != nil && key.KeyRangeIncludes(c.keyRange, kr) {
// Our filter's KeyRange includes the provided KeyRange
return true
}
}
return false
} | go | func (fbs *FilterByShard) isIncluded(tablet *topodatapb.Tablet) bool {
canonical, kr, err := topo.ValidateShardName(tablet.Shard)
if err != nil {
log.Errorf("Error parsing shard name %v, will ignore tablet: %v", tablet.Shard, err)
return false
}
for _, c := range fbs.filters[tablet.Keyspace] {
if canonical == c.shard {
// Exact match (probably a non-sharded keyspace).
return true
}
if kr != nil && c.keyRange != nil && key.KeyRangeIncludes(c.keyRange, kr) {
// Our filter's KeyRange includes the provided KeyRange
return true
}
}
return false
} | [
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] | // isIncluded returns true iff the tablet's keyspace and shard should be
// forwarded to the underlying TabletRecorder. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/discovery/topology_watcher.go#L421-L439 | train |
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