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vitessio/vitess | go/vt/topo/helpers/copy.go | CopyRoutingRules | func CopyRoutingRules(ctx context.Context, fromTS, toTS *topo.Server) {
rr, err := fromTS.GetRoutingRules(ctx)
if err != nil {
log.Fatalf("GetRoutingRules: %v", err)
}
if err := toTS.SaveRoutingRules(ctx, rr); err != nil {
log.Errorf("SaveRoutingRules(%v): %v", rr, err)
}
} | go | func CopyRoutingRules(ctx context.Context, fromTS, toTS *topo.Server) {
rr, err := fromTS.GetRoutingRules(ctx)
if err != nil {
log.Fatalf("GetRoutingRules: %v", err)
}
if err := toTS.SaveRoutingRules(ctx, rr); err != nil {
log.Errorf("SaveRoutingRules(%v): %v", rr, err)
}
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topo/helpers/copy.go#L180-L188 | train |
vitessio/vitess | go/vt/logz/logz_utils.go | Wrappable | func Wrappable(in string) string {
buf := bytes.NewBuffer(nil)
for _, ch := range in {
buf.WriteRune(ch)
if ch == ',' || ch == ')' {
// zero-width whitespace
buf.WriteRune('\u200B')
}
}
return buf.String()
} | go | func Wrappable(in string) string {
buf := bytes.NewBuffer(nil)
for _, ch := range in {
buf.WriteRune(ch)
if ch == ',' || ch == ')' {
// zero-width whitespace
buf.WriteRune('\u200B')
}
}
return buf.String()
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/logz/logz_utils.go#L145-L155 | train |
vitessio/vitess | go/sqltypes/value.go | NewInt64 | func NewInt64(v int64) Value {
return MakeTrusted(Int64, strconv.AppendInt(nil, v, 10))
} | go | func NewInt64(v int64) Value {
return MakeTrusted(Int64, strconv.AppendInt(nil, v, 10))
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/sqltypes/value.go#L99-L101 | train |
vitessio/vitess | go/sqltypes/value.go | NewInt8 | func NewInt8(v int8) Value {
return MakeTrusted(Int8, strconv.AppendInt(nil, int64(v), 10))
} | go | func NewInt8(v int8) Value {
return MakeTrusted(Int8, strconv.AppendInt(nil, int64(v), 10))
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/sqltypes/value.go#L104-L106 | train |
vitessio/vitess | go/sqltypes/value.go | NewInt32 | func NewInt32(v int32) Value {
return MakeTrusted(Int32, strconv.AppendInt(nil, int64(v), 10))
} | go | func NewInt32(v int32) Value {
return MakeTrusted(Int32, strconv.AppendInt(nil, int64(v), 10))
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/sqltypes/value.go#L109-L111 | train |
vitessio/vitess | go/sqltypes/value.go | NewUint64 | func NewUint64(v uint64) Value {
return MakeTrusted(Uint64, strconv.AppendUint(nil, v, 10))
} | go | func NewUint64(v uint64) Value {
return MakeTrusted(Uint64, strconv.AppendUint(nil, v, 10))
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/sqltypes/value.go#L114-L116 | train |
vitessio/vitess | go/sqltypes/value.go | NewUint32 | func NewUint32(v uint32) Value {
return MakeTrusted(Uint32, strconv.AppendUint(nil, uint64(v), 10))
} | go | func NewUint32(v uint32) Value {
return MakeTrusted(Uint32, strconv.AppendUint(nil, uint64(v), 10))
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/sqltypes/value.go#L119-L121 | train |
vitessio/vitess | go/sqltypes/value.go | NewFloat64 | func NewFloat64(v float64) Value {
return MakeTrusted(Float64, strconv.AppendFloat(nil, v, 'g', -1, 64))
} | go | func NewFloat64(v float64) Value {
return MakeTrusted(Float64, strconv.AppendFloat(nil, v, 'g', -1, 64))
} | [
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] | // NewFloat64 builds an Float64 Value. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/sqltypes/value.go#L124-L126 | train |
vitessio/vitess | go/sqltypes/value.go | NewIntegral | func NewIntegral(val string) (n Value, err error) {
signed, err := strconv.ParseInt(val, 0, 64)
if err == nil {
return MakeTrusted(Int64, strconv.AppendInt(nil, signed, 10)), nil
}
unsigned, err := strconv.ParseUint(val, 0, 64)
if err != nil {
return Value{}, err
}
return MakeTrusted(Uint64, strconv.AppendUint(nil, unsigned, 10)), nil
} | go | func NewIntegral(val string) (n Value, err error) {
signed, err := strconv.ParseInt(val, 0, 64)
if err == nil {
return MakeTrusted(Int64, strconv.AppendInt(nil, signed, 10)), nil
}
unsigned, err := strconv.ParseUint(val, 0, 64)
if err != nil {
return Value{}, err
}
return MakeTrusted(Uint64, strconv.AppendUint(nil, unsigned, 10)), nil
} | [
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// The type will be Int64 or Uint64. Int64 will be preferred where possible. | [
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vitessio/vitess | go/sqltypes/value.go | ToString | func (v Value) ToString() string {
if v.typ == Expression {
return ""
}
return hack.String(v.val)
} | go | func (v Value) ToString() string {
if v.typ == Expression {
return ""
}
return hack.String(v.val)
} | [
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] | // ToString returns the value as MySQL would return it as string.
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vitessio/vitess | go/sqltypes/value.go | EncodeASCII | func (v Value) EncodeASCII(b BinWriter) {
switch {
case v.typ == Null:
b.Write(nullstr)
case v.IsQuoted() || v.typ == Bit:
encodeBytesASCII(v.val, b)
default:
b.Write(v.val)
}
} | go | func (v Value) EncodeASCII(b BinWriter) {
switch {
case v.typ == Null:
b.Write(nullstr)
case v.IsQuoted() || v.typ == Bit:
encodeBytesASCII(v.val, b)
default:
b.Write(v.val)
}
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/sqltypes/value.go#L239-L248 | train |
vitessio/vitess | go/sqltypes/value.go | MarshalJSON | func (v Value) MarshalJSON() ([]byte, error) {
switch {
case v.IsQuoted() || v.typ == Bit:
return json.Marshal(v.ToString())
case v.typ == Null:
return nullstr, nil
}
return v.val, nil
} | go | func (v Value) MarshalJSON() ([]byte, error) {
switch {
case v.IsQuoted() || v.typ == Bit:
return json.Marshal(v.ToString())
case v.typ == Null:
return nullstr, nil
}
return v.val, nil
} | [
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vitessio/vitess | go/sqltypes/value.go | UnmarshalJSON | func (v *Value) UnmarshalJSON(b []byte) error {
if len(b) == 0 {
return fmt.Errorf("error unmarshaling empty bytes")
}
var val interface{}
var err error
switch b[0] {
case '-':
var ival int64
err = json.Unmarshal(b, &ival)
val = ival
case '"':
var bval []byte
err = json.Unmarshal(b, &bval)
val = bval
case 'n': // null
err = json.Unmarshal(b, &val)
default:
var uval uint64
err = json.Unmarshal(b, &uval)
val = uval
}
if err != nil {
return err
}
*v, err = InterfaceToValue(val)
return err
} | go | func (v *Value) UnmarshalJSON(b []byte) error {
if len(b) == 0 {
return fmt.Errorf("error unmarshaling empty bytes")
}
var val interface{}
var err error
switch b[0] {
case '-':
var ival int64
err = json.Unmarshal(b, &ival)
val = ival
case '"':
var bval []byte
err = json.Unmarshal(b, &bval)
val = bval
case 'n': // null
err = json.Unmarshal(b, &val)
default:
var uval uint64
err = json.Unmarshal(b, &uval)
val = uval
}
if err != nil {
return err
}
*v, err = InterfaceToValue(val)
return err
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/sqltypes/value.go#L304-L331 | train |
vitessio/vitess | go/vt/worker/fakevtworkerclient/fakevtworkerclient.go | FakeVtworkerClientFactory | func (f *FakeVtworkerClient) FakeVtworkerClientFactory(addr string) (vtworkerclient.Client, error) {
return &perAddrFakeVtworkerClient{f, addr}, nil
} | go | func (f *FakeVtworkerClient) FakeVtworkerClientFactory(addr string) (vtworkerclient.Client, error) {
return &perAddrFakeVtworkerClient{f, addr}, nil
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/worker/fakevtworkerclient/fakevtworkerclient.go#L42-L44 | train |
vitessio/vitess | go/vt/worker/fakevtworkerclient/fakevtworkerclient.go | ExecuteVtworkerCommand | func (c *perAddrFakeVtworkerClient) ExecuteVtworkerCommand(ctx context.Context, args []string) (logutil.EventStream, error) {
return c.FakeLoggerEventStreamingClient.StreamResult(c.addr, args)
} | go | func (c *perAddrFakeVtworkerClient) ExecuteVtworkerCommand(ctx context.Context, args []string) (logutil.EventStream, error) {
return c.FakeLoggerEventStreamingClient.StreamResult(c.addr, args)
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/worker/fakevtworkerclient/fakevtworkerclient.go#L54-L56 | train |
vitessio/vitess | go/cache/lru_cache.go | NewLRUCache | func NewLRUCache(capacity int64) *LRUCache {
return &LRUCache{
list: list.New(),
table: make(map[string]*list.Element),
capacity: capacity,
}
} | go | func NewLRUCache(capacity int64) *LRUCache {
return &LRUCache{
list: list.New(),
table: make(map[string]*list.Element),
capacity: capacity,
}
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/cache/lru_cache.go#L70-L76 | train |
vitessio/vitess | go/cache/lru_cache.go | Get | func (lru *LRUCache) Get(key string) (v Value, ok bool) {
lru.mu.Lock()
defer lru.mu.Unlock()
element := lru.table[key]
if element == nil {
return nil, false
}
lru.moveToFront(element)
return element.Value.(*entry).value, true
} | go | func (lru *LRUCache) Get(key string) (v Value, ok bool) {
lru.mu.Lock()
defer lru.mu.Unlock()
element := lru.table[key]
if element == nil {
return nil, false
}
lru.moveToFront(element)
return element.Value.(*entry).value, true
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vitessio/vitess | go/cache/lru_cache.go | Set | func (lru *LRUCache) Set(key string, value Value) {
lru.mu.Lock()
defer lru.mu.Unlock()
if element := lru.table[key]; element != nil {
lru.updateInplace(element, value)
} else {
lru.addNew(key, value)
}
} | go | func (lru *LRUCache) Set(key string, value Value) {
lru.mu.Lock()
defer lru.mu.Unlock()
if element := lru.table[key]; element != nil {
lru.updateInplace(element, value)
} else {
lru.addNew(key, value)
}
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/cache/lru_cache.go#L105-L114 | train |
vitessio/vitess | go/cache/lru_cache.go | SetIfAbsent | func (lru *LRUCache) SetIfAbsent(key string, value Value) {
lru.mu.Lock()
defer lru.mu.Unlock()
if element := lru.table[key]; element != nil {
lru.moveToFront(element)
} else {
lru.addNew(key, value)
}
} | go | func (lru *LRUCache) SetIfAbsent(key string, value Value) {
lru.mu.Lock()
defer lru.mu.Unlock()
if element := lru.table[key]; element != nil {
lru.moveToFront(element)
} else {
lru.addNew(key, value)
}
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/cache/lru_cache.go#L118-L127 | train |
vitessio/vitess | go/cache/lru_cache.go | Delete | func (lru *LRUCache) Delete(key string) bool {
lru.mu.Lock()
defer lru.mu.Unlock()
element := lru.table[key]
if element == nil {
return false
}
lru.list.Remove(element)
delete(lru.table, key)
lru.size -= element.Value.(*entry).size
return true
} | go | func (lru *LRUCache) Delete(key string) bool {
lru.mu.Lock()
defer lru.mu.Unlock()
element := lru.table[key]
if element == nil {
return false
}
lru.list.Remove(element)
delete(lru.table, key)
lru.size -= element.Value.(*entry).size
return true
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/cache/lru_cache.go#L130-L143 | train |
vitessio/vitess | go/cache/lru_cache.go | Clear | func (lru *LRUCache) Clear() {
lru.mu.Lock()
defer lru.mu.Unlock()
lru.list.Init()
lru.table = make(map[string]*list.Element)
lru.size = 0
} | go | func (lru *LRUCache) Clear() {
lru.mu.Lock()
defer lru.mu.Unlock()
lru.list.Init()
lru.table = make(map[string]*list.Element)
lru.size = 0
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/cache/lru_cache.go#L146-L153 | train |
vitessio/vitess | go/cache/lru_cache.go | SetCapacity | func (lru *LRUCache) SetCapacity(capacity int64) {
lru.mu.Lock()
defer lru.mu.Unlock()
lru.capacity = capacity
lru.checkCapacity()
} | go | func (lru *LRUCache) SetCapacity(capacity int64) {
lru.mu.Lock()
defer lru.mu.Unlock()
lru.capacity = capacity
lru.checkCapacity()
} | [
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vitessio/vitess | go/cache/lru_cache.go | Stats | func (lru *LRUCache) Stats() (length, size, capacity, evictions int64, oldest time.Time) {
lru.mu.Lock()
defer lru.mu.Unlock()
if lastElem := lru.list.Back(); lastElem != nil {
oldest = lastElem.Value.(*entry).timeAccessed
}
return int64(lru.list.Len()), lru.size, lru.capacity, lru.evictions, oldest
} | go | func (lru *LRUCache) Stats() (length, size, capacity, evictions int64, oldest time.Time) {
lru.mu.Lock()
defer lru.mu.Unlock()
if lastElem := lru.list.Back(); lastElem != nil {
oldest = lastElem.Value.(*entry).timeAccessed
}
return int64(lru.list.Len()), lru.size, lru.capacity, lru.evictions, oldest
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/cache/lru_cache.go#L167-L174 | train |
vitessio/vitess | go/cache/lru_cache.go | StatsJSON | func (lru *LRUCache) StatsJSON() string {
if lru == nil {
return "{}"
}
l, s, c, e, o := lru.Stats()
return fmt.Sprintf("{\"Length\": %v, \"Size\": %v, \"Capacity\": %v, \"Evictions\": %v, \"OldestAccess\": \"%v\"}", l, s, c, e, o)
} | go | func (lru *LRUCache) StatsJSON() string {
if lru == nil {
return "{}"
}
l, s, c, e, o := lru.Stats()
return fmt.Sprintf("{\"Length\": %v, \"Size\": %v, \"Capacity\": %v, \"Evictions\": %v, \"OldestAccess\": \"%v\"}", l, s, c, e, o)
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/cache/lru_cache.go#L177-L183 | train |
vitessio/vitess | go/cache/lru_cache.go | Length | func (lru *LRUCache) Length() int64 {
lru.mu.Lock()
defer lru.mu.Unlock()
return int64(lru.list.Len())
} | go | func (lru *LRUCache) Length() int64 {
lru.mu.Lock()
defer lru.mu.Unlock()
return int64(lru.list.Len())
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/cache/lru_cache.go#L186-L190 | train |
vitessio/vitess | go/cache/lru_cache.go | Capacity | func (lru *LRUCache) Capacity() int64 {
lru.mu.Lock()
defer lru.mu.Unlock()
return lru.capacity
} | go | func (lru *LRUCache) Capacity() int64 {
lru.mu.Lock()
defer lru.mu.Unlock()
return lru.capacity
} | [
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"}"
] | // Capacity returns the cache maximum capacity. | [
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"."
] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/cache/lru_cache.go#L200-L204 | train |
vitessio/vitess | go/cache/lru_cache.go | Evictions | func (lru *LRUCache) Evictions() int64 {
lru.mu.Lock()
defer lru.mu.Unlock()
return lru.evictions
} | go | func (lru *LRUCache) Evictions() int64 {
lru.mu.Lock()
defer lru.mu.Unlock()
return lru.evictions
} | [
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] | // Evictions returns the eviction count. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/cache/lru_cache.go#L207-L211 | train |
vitessio/vitess | go/cache/lru_cache.go | Keys | func (lru *LRUCache) Keys() []string {
lru.mu.Lock()
defer lru.mu.Unlock()
keys := make([]string, 0, lru.list.Len())
for e := lru.list.Front(); e != nil; e = e.Next() {
keys = append(keys, e.Value.(*entry).key)
}
return keys
} | go | func (lru *LRUCache) Keys() []string {
lru.mu.Lock()
defer lru.mu.Unlock()
keys := make([]string, 0, lru.list.Len())
for e := lru.list.Front(); e != nil; e = e.Next() {
keys = append(keys, e.Value.(*entry).key)
}
return keys
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/cache/lru_cache.go#L226-L235 | train |
vitessio/vitess | go/cache/lru_cache.go | Items | func (lru *LRUCache) Items() []Item {
lru.mu.Lock()
defer lru.mu.Unlock()
items := make([]Item, 0, lru.list.Len())
for e := lru.list.Front(); e != nil; e = e.Next() {
v := e.Value.(*entry)
items = append(items, Item{Key: v.key, Value: v.value})
}
return items
} | go | func (lru *LRUCache) Items() []Item {
lru.mu.Lock()
defer lru.mu.Unlock()
items := make([]Item, 0, lru.list.Len())
for e := lru.list.Front(); e != nil; e = e.Next() {
v := e.Value.(*entry)
items = append(items, Item{Key: v.key, Value: v.value})
}
return items
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vitessio/vitess | go/vt/throttler/result.go | add | func (rr *resultRing) add(r result) {
rr.mu.Lock()
defer rr.mu.Unlock()
rr.values[rr.position] = r
rr.position++
if rr.position == len(rr.values) {
rr.position = 0
rr.wrapped = true
}
} | go | func (rr *resultRing) add(r result) {
rr.mu.Lock()
defer rr.mu.Unlock()
rr.values[rr.position] = r
rr.position++
if rr.position == len(rr.values) {
rr.position = 0
rr.wrapped = true
}
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/throttler/result.go#L137-L147 | train |
vitessio/vitess | go/vt/throttler/replication_lag_cache.go | add | func (c *replicationLagCache) add(r replicationLagRecord) {
if !r.Up {
// Tablet is down. Do no longer track it.
delete(c.entries, r.Key)
delete(c.ignoredSlowReplicasInARow, r.Key)
return
}
entry, ok := c.entries[r.Key]
if !ok {
entry = newReplicationLagHistory(c.historyCapacityPerReplica)
c.entries[r.Key] = entry
}
entry.add(r)
} | go | func (c *replicationLagCache) add(r replicationLagRecord) {
if !r.Up {
// Tablet is down. Do no longer track it.
delete(c.entries, r.Key)
delete(c.ignoredSlowReplicasInARow, r.Key)
return
}
entry, ok := c.entries[r.Key]
if !ok {
entry = newReplicationLagHistory(c.historyCapacityPerReplica)
c.entries[r.Key] = entry
}
entry.add(r)
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/throttler/replication_lag_cache.go#L62-L77 | train |
vitessio/vitess | go/vt/throttler/replication_lag_cache.go | sortByLag | func (c *replicationLagCache) sortByLag(ignoreNSlowestReplicas int, minimumReplicationLag int64) {
// Reset the current list of ignored replicas.
c.slowReplicas = make(map[string]bool)
if ignoreNSlowestReplicas >= len(c.entries) {
// Do not ignore slow replicas if all would get ignored.
return
}
// Turn the map of replicas into a list and then sort it.
var list byLagAndTabletUID
i := 0
for _, v := range c.entries {
record := v.latest()
if int64(record.Stats.SecondsBehindMaster) >= minimumReplicationLag {
list = append(list, record.TabletStats)
i++
}
}
sort.Sort(list)
// Now remember the N slowest replicas.
for i := len(list) - 1; len(list) > 0 && i >= len(list)-ignoreNSlowestReplicas; i-- {
c.slowReplicas[list[i].Key] = true
}
} | go | func (c *replicationLagCache) sortByLag(ignoreNSlowestReplicas int, minimumReplicationLag int64) {
// Reset the current list of ignored replicas.
c.slowReplicas = make(map[string]bool)
if ignoreNSlowestReplicas >= len(c.entries) {
// Do not ignore slow replicas if all would get ignored.
return
}
// Turn the map of replicas into a list and then sort it.
var list byLagAndTabletUID
i := 0
for _, v := range c.entries {
record := v.latest()
if int64(record.Stats.SecondsBehindMaster) >= minimumReplicationLag {
list = append(list, record.TabletStats)
i++
}
}
sort.Sort(list)
// Now remember the N slowest replicas.
for i := len(list) - 1; len(list) > 0 && i >= len(list)-ignoreNSlowestReplicas; i-- {
c.slowReplicas[list[i].Key] = true
}
} | [
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// tablet uid and updates the c.slowReplicas set. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/throttler/replication_lag_cache.go#L102-L127 | train |
vitessio/vitess | go/vt/throttler/replication_lag_cache.go | ignoreSlowReplica | func (c *replicationLagCache) ignoreSlowReplica(key string) bool {
if len(c.slowReplicas) == 0 {
// No slow replicas at all.
return false
}
slow := c.slowReplicas[key]
if slow {
// Record that we're ignoring this replica.
c.ignoredSlowReplicasInARow[key] = true
if len(c.ignoredSlowReplicasInARow) == len(c.entries) {
// All but this replica have been ignored in a row. Break this cycle now.
slow = false
}
}
if !slow {
// Replica is not slow.
if len(c.ignoredSlowReplicasInARow) != 0 {
// Reset the set of replicas which have been slow in a row so far.
c.ignoredSlowReplicasInARow = make(map[string]bool)
}
}
return slow
} | go | func (c *replicationLagCache) ignoreSlowReplica(key string) bool {
if len(c.slowReplicas) == 0 {
// No slow replicas at all.
return false
}
slow := c.slowReplicas[key]
if slow {
// Record that we're ignoring this replica.
c.ignoredSlowReplicasInARow[key] = true
if len(c.ignoredSlowReplicasInARow) == len(c.entries) {
// All but this replica have been ignored in a row. Break this cycle now.
slow = false
}
}
if !slow {
// Replica is not slow.
if len(c.ignoredSlowReplicasInARow) != 0 {
// Reset the set of replicas which have been slow in a row so far.
c.ignoredSlowReplicasInARow = make(map[string]bool)
}
}
return slow
} | [
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] | // ignoreSlowReplica returns true if the MaxReplicationLagModule should ignore
// this slow replica.
// "key" refers to ReplicationLagRecord.TabletStats.Key. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/throttler/replication_lag_cache.go#L144-L169 | train |
vitessio/vitess | go/vt/tableacl/simpleacl/simpleacl.go | IsMember | func (sacl SimpleACL) IsMember(principal *querypb.VTGateCallerID) bool {
if sacl[principal.Username] {
return true
}
for _, grp := range principal.Groups {
if sacl[grp] {
return true
}
}
return false
} | go | func (sacl SimpleACL) IsMember(principal *querypb.VTGateCallerID) bool {
if sacl[principal.Username] {
return true
}
for _, grp := range principal.Groups {
if sacl[grp] {
return true
}
}
return false
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/tableacl/simpleacl/simpleacl.go#L28-L38 | train |
vitessio/vitess | go/vt/tableacl/simpleacl/simpleacl.go | New | func (factory *Factory) New(entries []string) (acl.ACL, error) {
acl := SimpleACL(map[string]bool{})
for _, e := range entries {
acl[e] = true
}
return acl, nil
} | go | func (factory *Factory) New(entries []string) (acl.ACL, error) {
acl := SimpleACL(map[string]bool{})
for _, e := range entries {
acl[e] = true
}
return acl, nil
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/tableacl/simpleacl/simpleacl.go#L44-L50 | train |
vitessio/vitess | go/vt/vttablet/tabletserver/schema/schema.go | Done | func (ta *Table) Done() {
if !ta.HasPrimary() {
return
}
pkIndex := ta.Indexes[0]
ta.PKColumns = make([]int, len(pkIndex.Columns))
for i, pkCol := range pkIndex.Columns {
ta.PKColumns[i] = ta.FindColumn(pkCol)
}
} | go | func (ta *Table) Done() {
if !ta.HasPrimary() {
return
}
pkIndex := ta.Indexes[0]
ta.PKColumns = make([]int, len(pkIndex.Columns))
for i, pkCol := range pkIndex.Columns {
ta.PKColumns[i] = ta.FindColumn(pkCol)
}
} | [
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vitessio/vitess | go/vt/vttablet/tabletserver/schema/schema.go | AddColumn | func (ta *Table) AddColumn(name string, columnType querypb.Type, defval sqltypes.Value, extra string) {
index := len(ta.Columns)
ta.Columns = append(ta.Columns, TableColumn{Name: sqlparser.NewColIdent(name)})
ta.Columns[index].Type = columnType
if extra == "auto_increment" {
ta.Columns[index].IsAuto = true
// Ignore default value, if any
return
}
if defval.IsNull() {
return
}
// Schema values are trusted.
ta.Columns[index].Default = sqltypes.MakeTrusted(ta.Columns[index].Type, defval.Raw())
} | go | func (ta *Table) AddColumn(name string, columnType querypb.Type, defval sqltypes.Value, extra string) {
index := len(ta.Columns)
ta.Columns = append(ta.Columns, TableColumn{Name: sqlparser.NewColIdent(name)})
ta.Columns[index].Type = columnType
if extra == "auto_increment" {
ta.Columns[index].IsAuto = true
// Ignore default value, if any
return
}
if defval.IsNull() {
return
}
// Schema values are trusted.
ta.Columns[index].Default = sqltypes.MakeTrusted(ta.Columns[index].Type, defval.Raw())
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/tabletserver/schema/schema.go#L146-L160 | train |
vitessio/vitess | go/vt/vttablet/tabletserver/schema/schema.go | FindColumn | func (ta *Table) FindColumn(name sqlparser.ColIdent) int {
for i, col := range ta.Columns {
if col.Name.Equal(name) {
return i
}
}
return -1
} | go | func (ta *Table) FindColumn(name sqlparser.ColIdent) int {
for i, col := range ta.Columns {
if col.Name.Equal(name) {
return i
}
}
return -1
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vitessio/vitess | go/vt/vttablet/tabletserver/schema/schema.go | GetPKColumn | func (ta *Table) GetPKColumn(index int) *TableColumn {
return &ta.Columns[ta.PKColumns[index]]
} | go | func (ta *Table) GetPKColumn(index int) *TableColumn {
return &ta.Columns[ta.PKColumns[index]]
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vitessio/vitess | go/vt/vttablet/tabletserver/schema/schema.go | AddIndex | func (ta *Table) AddIndex(name string, unique bool) (index *Index) {
index = NewIndex(name, unique)
ta.Indexes = append(ta.Indexes, index)
return index
} | go | func (ta *Table) AddIndex(name string, unique bool) (index *Index) {
index = NewIndex(name, unique)
ta.Indexes = append(ta.Indexes, index)
return index
} | [
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vitessio/vitess | go/vt/vttablet/tabletserver/schema/schema.go | SetMysqlStats | func (ta *Table) SetMysqlStats(tr, dl, il, df, mdl sqltypes.Value) {
v, _ := sqltypes.ToInt64(tr)
ta.TableRows.Set(v)
v, _ = sqltypes.ToInt64(dl)
ta.DataLength.Set(v)
v, _ = sqltypes.ToInt64(il)
ta.IndexLength.Set(v)
v, _ = sqltypes.ToInt64(df)
ta.DataFree.Set(v)
v, _ = sqltypes.ToInt64(mdl)
ta.MaxDataLength.Set(v)
} | go | func (ta *Table) SetMysqlStats(tr, dl, il, df, mdl sqltypes.Value) {
v, _ := sqltypes.ToInt64(tr)
ta.TableRows.Set(v)
v, _ = sqltypes.ToInt64(dl)
ta.DataLength.Set(v)
v, _ = sqltypes.ToInt64(il)
ta.IndexLength.Set(v)
v, _ = sqltypes.ToInt64(df)
ta.DataFree.Set(v)
v, _ = sqltypes.ToInt64(mdl)
ta.MaxDataLength.Set(v)
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/tabletserver/schema/schema.go#L186-L197 | train |
vitessio/vitess | go/vt/vttablet/tabletserver/schema/schema.go | HasPrimary | func (ta *Table) HasPrimary() bool {
return len(ta.Indexes) != 0 && ta.Indexes[0].Name.EqualString("primary")
} | go | func (ta *Table) HasPrimary() bool {
return len(ta.Indexes) != 0 && ta.Indexes[0].Name.EqualString("primary")
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vitessio/vitess | go/vt/vttablet/tabletserver/schema/schema.go | UniqueIndexes | func (ta *Table) UniqueIndexes() int {
unique := 0
for _, idx := range ta.Indexes {
if idx.Unique {
unique++
}
}
return unique
} | go | func (ta *Table) UniqueIndexes() int {
unique := 0
for _, idx := range ta.Indexes {
if idx.Unique {
unique++
}
}
return unique
} | [
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vitessio/vitess | go/vt/vttablet/tabletserver/schema/schema.go | NewIndex | func NewIndex(name string, unique bool) *Index {
return &Index{Name: sqlparser.NewColIdent(name), Unique: unique}
} | go | func NewIndex(name string, unique bool) *Index {
return &Index{Name: sqlparser.NewColIdent(name), Unique: unique}
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vitessio/vitess | go/vt/vttablet/tabletserver/schema/schema.go | AddColumn | func (idx *Index) AddColumn(name string, cardinality uint64) {
idx.Columns = append(idx.Columns, sqlparser.NewColIdent(name))
if cardinality == 0 {
cardinality = uint64(len(idx.Cardinality) + 1)
}
idx.Cardinality = append(idx.Cardinality, cardinality)
} | go | func (idx *Index) AddColumn(name string, cardinality uint64) {
idx.Columns = append(idx.Columns, sqlparser.NewColIdent(name))
if cardinality == 0 {
cardinality = uint64(len(idx.Cardinality) + 1)
}
idx.Cardinality = append(idx.Cardinality, cardinality)
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vitessio/vitess | go/vt/vttablet/tabletserver/schema/schema.go | FindColumn | func (idx *Index) FindColumn(name sqlparser.ColIdent) int {
for i, colName := range idx.Columns {
if colName.Equal(name) {
return i
}
}
return -1
} | go | func (idx *Index) FindColumn(name sqlparser.ColIdent) int {
for i, colName := range idx.Columns {
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}
}
return -1
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vitessio/vitess | go/vt/vttablet/tabletmanager/heartbeat_reporter.go | registerHeartbeatReporter | func registerHeartbeatReporter(controller tabletserver.Controller) {
if !tabletenv.Config.HeartbeatEnable {
return
}
reporter := &Reporter{controller}
health.DefaultAggregator.Register("heartbeat_reporter", reporter)
} | go | func registerHeartbeatReporter(controller tabletserver.Controller) {
if !tabletenv.Config.HeartbeatEnable {
return
}
reporter := &Reporter{controller}
health.DefaultAggregator.Register("heartbeat_reporter", reporter)
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vitessio/vitess | go/vt/vttablet/tabletmanager/heartbeat_reporter.go | Report | func (r *Reporter) Report(isSlaveType, shouldQueryServiceBeRunning bool) (time.Duration, error) {
if !isSlaveType {
return 0, nil
}
return r.controller.HeartbeatLag()
} | go | func (r *Reporter) Report(isSlaveType, shouldQueryServiceBeRunning bool) (time.Duration, error) {
if !isSlaveType {
return 0, nil
}
return r.controller.HeartbeatLag()
} | [
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] | // Report is part of the health.Reporter interface. It returns the last reported value
// written by the watchHeartbeat goroutine. If we're the master, it just returns 0. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/tabletmanager/heartbeat_reporter.go#L52-L57 | train |
vitessio/vitess | go/vt/wrangler/keyspace.go | SetKeyspaceShardingInfo | func (wr *Wrangler) SetKeyspaceShardingInfo(ctx context.Context, keyspace, shardingColumnName string, shardingColumnType topodatapb.KeyspaceIdType, force bool) (err error) {
// Lock the keyspace
ctx, unlock, lockErr := wr.ts.LockKeyspace(ctx, keyspace, "SetKeyspaceShardingInfo")
if lockErr != nil {
return lockErr
}
defer unlock(&err)
// and change it
ki, err := wr.ts.GetKeyspace(ctx, keyspace)
if err != nil {
return err
}
if ki.ShardingColumnName != "" && ki.ShardingColumnName != shardingColumnName {
if force {
wr.Logger().Warningf("Forcing keyspace ShardingColumnName change from %v to %v", ki.ShardingColumnName, shardingColumnName)
} else {
return fmt.Errorf("cannot change ShardingColumnName from %v to %v (use -force to override)", ki.ShardingColumnName, shardingColumnName)
}
}
if ki.ShardingColumnType != topodatapb.KeyspaceIdType_UNSET && ki.ShardingColumnType != shardingColumnType {
if force {
wr.Logger().Warningf("Forcing keyspace ShardingColumnType change from %v to %v", ki.ShardingColumnType, shardingColumnType)
} else {
return fmt.Errorf("cannot change ShardingColumnType from %v to %v (use -force to override)", ki.ShardingColumnType, shardingColumnType)
}
}
ki.ShardingColumnName = shardingColumnName
ki.ShardingColumnType = shardingColumnType
return wr.ts.UpdateKeyspace(ctx, ki)
} | go | func (wr *Wrangler) SetKeyspaceShardingInfo(ctx context.Context, keyspace, shardingColumnName string, shardingColumnType topodatapb.KeyspaceIdType, force bool) (err error) {
// Lock the keyspace
ctx, unlock, lockErr := wr.ts.LockKeyspace(ctx, keyspace, "SetKeyspaceShardingInfo")
if lockErr != nil {
return lockErr
}
defer unlock(&err)
// and change it
ki, err := wr.ts.GetKeyspace(ctx, keyspace)
if err != nil {
return err
}
if ki.ShardingColumnName != "" && ki.ShardingColumnName != shardingColumnName {
if force {
wr.Logger().Warningf("Forcing keyspace ShardingColumnName change from %v to %v", ki.ShardingColumnName, shardingColumnName)
} else {
return fmt.Errorf("cannot change ShardingColumnName from %v to %v (use -force to override)", ki.ShardingColumnName, shardingColumnName)
}
}
if ki.ShardingColumnType != topodatapb.KeyspaceIdType_UNSET && ki.ShardingColumnType != shardingColumnType {
if force {
wr.Logger().Warningf("Forcing keyspace ShardingColumnType change from %v to %v", ki.ShardingColumnType, shardingColumnType)
} else {
return fmt.Errorf("cannot change ShardingColumnType from %v to %v (use -force to override)", ki.ShardingColumnType, shardingColumnType)
}
}
ki.ShardingColumnName = shardingColumnName
ki.ShardingColumnType = shardingColumnType
return wr.ts.UpdateKeyspace(ctx, ki)
} | [
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] | // keyspace related methods for Wrangler
// SetKeyspaceShardingInfo locks a keyspace and sets its ShardingColumnName
// and ShardingColumnType | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/wrangler/keyspace.go#L59-L92 | train |
vitessio/vitess | go/vt/wrangler/keyspace.go | SplitClone | func (wr *Wrangler) SplitClone(ctx context.Context, keyspace string, from, to []string) error {
var fromShards, toShards []*topo.ShardInfo
for _, shard := range from {
si, err := wr.ts.GetShard(ctx, keyspace, shard)
if err != nil {
return vterrors.Wrapf(err, "GetShard(%s) failed", shard)
}
fromShards = append(fromShards, si)
}
for _, shard := range to {
si, err := wr.ts.GetShard(ctx, keyspace, shard)
if err != nil {
return vterrors.Wrapf(err, "GetShard(%s) failed", shard)
}
toShards = append(toShards, si)
}
// TODO(sougou): validate from and to shards.
for _, dest := range toShards {
master, err := wr.ts.GetTablet(ctx, dest.MasterAlias)
if err != nil {
return vterrors.Wrapf(err, "GetTablet(%v) failed", dest.MasterAlias)
}
var ids []uint64
for _, source := range fromShards {
filter := &binlogdatapb.Filter{
Rules: []*binlogdatapb.Rule{{
Match: "/.*",
Filter: key.KeyRangeString(dest.KeyRange),
}},
}
bls := &binlogdatapb.BinlogSource{
Keyspace: keyspace,
Shard: source.ShardName(),
Filter: filter,
}
cmd := binlogplayer.CreateVReplicationState("VSplitClone", bls, "", binlogplayer.BlpStopped, master.DbName())
qr, err := wr.TabletManagerClient().VReplicationExec(ctx, master.Tablet, cmd)
if err != nil {
return vterrors.Wrapf(err, "VReplicationExec(%v, %s) failed", dest.MasterAlias, cmd)
}
if err := wr.SourceShardAdd(ctx, keyspace, dest.ShardName(), uint32(qr.InsertId), keyspace, source.ShardName(), source.Shard.KeyRange, nil); err != nil {
return vterrors.Wrapf(err, "SourceShardAdd(%s, %s) failed", dest.ShardName(), source.ShardName())
}
ids = append(ids, qr.InsertId)
}
// Start vreplication only if all metadata was successfully created.
for _, id := range ids {
cmd := fmt.Sprintf("update _vt.vreplication set state='%s' where id=%d", binlogplayer.VReplicationInit, id)
if _, err = wr.TabletManagerClient().VReplicationExec(ctx, master.Tablet, cmd); err != nil {
return vterrors.Wrapf(err, "VReplicationExec(%v, %s) failed", dest.MasterAlias, cmd)
}
}
}
return wr.refreshMasters(ctx, toShards)
} | go | func (wr *Wrangler) SplitClone(ctx context.Context, keyspace string, from, to []string) error {
var fromShards, toShards []*topo.ShardInfo
for _, shard := range from {
si, err := wr.ts.GetShard(ctx, keyspace, shard)
if err != nil {
return vterrors.Wrapf(err, "GetShard(%s) failed", shard)
}
fromShards = append(fromShards, si)
}
for _, shard := range to {
si, err := wr.ts.GetShard(ctx, keyspace, shard)
if err != nil {
return vterrors.Wrapf(err, "GetShard(%s) failed", shard)
}
toShards = append(toShards, si)
}
// TODO(sougou): validate from and to shards.
for _, dest := range toShards {
master, err := wr.ts.GetTablet(ctx, dest.MasterAlias)
if err != nil {
return vterrors.Wrapf(err, "GetTablet(%v) failed", dest.MasterAlias)
}
var ids []uint64
for _, source := range fromShards {
filter := &binlogdatapb.Filter{
Rules: []*binlogdatapb.Rule{{
Match: "/.*",
Filter: key.KeyRangeString(dest.KeyRange),
}},
}
bls := &binlogdatapb.BinlogSource{
Keyspace: keyspace,
Shard: source.ShardName(),
Filter: filter,
}
cmd := binlogplayer.CreateVReplicationState("VSplitClone", bls, "", binlogplayer.BlpStopped, master.DbName())
qr, err := wr.TabletManagerClient().VReplicationExec(ctx, master.Tablet, cmd)
if err != nil {
return vterrors.Wrapf(err, "VReplicationExec(%v, %s) failed", dest.MasterAlias, cmd)
}
if err := wr.SourceShardAdd(ctx, keyspace, dest.ShardName(), uint32(qr.InsertId), keyspace, source.ShardName(), source.Shard.KeyRange, nil); err != nil {
return vterrors.Wrapf(err, "SourceShardAdd(%s, %s) failed", dest.ShardName(), source.ShardName())
}
ids = append(ids, qr.InsertId)
}
// Start vreplication only if all metadata was successfully created.
for _, id := range ids {
cmd := fmt.Sprintf("update _vt.vreplication set state='%s' where id=%d", binlogplayer.VReplicationInit, id)
if _, err = wr.TabletManagerClient().VReplicationExec(ctx, master.Tablet, cmd); err != nil {
return vterrors.Wrapf(err, "VReplicationExec(%v, %s) failed", dest.MasterAlias, cmd)
}
}
}
return wr.refreshMasters(ctx, toShards)
} | [
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] | // SplitClone initiates a SplitClone workflow. | [
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"initiates",
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"workflow",
"."
] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/wrangler/keyspace.go#L95-L150 | train |
vitessio/vitess | go/vt/wrangler/keyspace.go | VerticalSplitClone | func (wr *Wrangler) VerticalSplitClone(ctx context.Context, fromKeyspace, toKeyspace string, tables []string) error {
source, err := wr.ts.GetOnlyShard(ctx, fromKeyspace)
if err != nil {
return vterrors.Wrapf(err, "GetOnlyShard(%s) failed", fromKeyspace)
}
dest, err := wr.ts.GetOnlyShard(ctx, toKeyspace)
if err != nil {
return vterrors.Wrapf(err, "GetOnlyShard(%s) failed", toKeyspace)
}
// TODO(sougou): validate from and to shards.
master, err := wr.ts.GetTablet(ctx, dest.MasterAlias)
if err != nil {
return vterrors.Wrapf(err, "GetTablet(%v) failed", dest.MasterAlias)
}
filter := &binlogdatapb.Filter{}
for _, table := range tables {
filter.Rules = append(filter.Rules, &binlogdatapb.Rule{
Match: table,
})
}
bls := &binlogdatapb.BinlogSource{
Keyspace: fromKeyspace,
Shard: source.ShardName(),
Filter: filter,
}
cmd := binlogplayer.CreateVReplicationState("VSplitClone", bls, "", binlogplayer.BlpStopped, master.DbName())
qr, err := wr.TabletManagerClient().VReplicationExec(ctx, master.Tablet, cmd)
if err != nil {
return vterrors.Wrapf(err, "VReplicationExec(%v, %s) failed", dest.MasterAlias, cmd)
}
if err := wr.SourceShardAdd(ctx, toKeyspace, dest.ShardName(), uint32(qr.InsertId), fromKeyspace, source.ShardName(), nil, tables); err != nil {
return vterrors.Wrapf(err, "SourceShardAdd(%s, %s) failed", dest.ShardName(), source.ShardName())
}
// Start vreplication only if metadata was successfully created.
cmd = fmt.Sprintf("update _vt.vreplication set state='%s' where id=%d", binlogplayer.VReplicationInit, qr.InsertId)
if _, err = wr.TabletManagerClient().VReplicationExec(ctx, master.Tablet, cmd); err != nil {
return vterrors.Wrapf(err, "VReplicationExec(%v, %s) failed", dest.MasterAlias, cmd)
}
return wr.refreshMasters(ctx, []*topo.ShardInfo{dest})
} | go | func (wr *Wrangler) VerticalSplitClone(ctx context.Context, fromKeyspace, toKeyspace string, tables []string) error {
source, err := wr.ts.GetOnlyShard(ctx, fromKeyspace)
if err != nil {
return vterrors.Wrapf(err, "GetOnlyShard(%s) failed", fromKeyspace)
}
dest, err := wr.ts.GetOnlyShard(ctx, toKeyspace)
if err != nil {
return vterrors.Wrapf(err, "GetOnlyShard(%s) failed", toKeyspace)
}
// TODO(sougou): validate from and to shards.
master, err := wr.ts.GetTablet(ctx, dest.MasterAlias)
if err != nil {
return vterrors.Wrapf(err, "GetTablet(%v) failed", dest.MasterAlias)
}
filter := &binlogdatapb.Filter{}
for _, table := range tables {
filter.Rules = append(filter.Rules, &binlogdatapb.Rule{
Match: table,
})
}
bls := &binlogdatapb.BinlogSource{
Keyspace: fromKeyspace,
Shard: source.ShardName(),
Filter: filter,
}
cmd := binlogplayer.CreateVReplicationState("VSplitClone", bls, "", binlogplayer.BlpStopped, master.DbName())
qr, err := wr.TabletManagerClient().VReplicationExec(ctx, master.Tablet, cmd)
if err != nil {
return vterrors.Wrapf(err, "VReplicationExec(%v, %s) failed", dest.MasterAlias, cmd)
}
if err := wr.SourceShardAdd(ctx, toKeyspace, dest.ShardName(), uint32(qr.InsertId), fromKeyspace, source.ShardName(), nil, tables); err != nil {
return vterrors.Wrapf(err, "SourceShardAdd(%s, %s) failed", dest.ShardName(), source.ShardName())
}
// Start vreplication only if metadata was successfully created.
cmd = fmt.Sprintf("update _vt.vreplication set state='%s' where id=%d", binlogplayer.VReplicationInit, qr.InsertId)
if _, err = wr.TabletManagerClient().VReplicationExec(ctx, master.Tablet, cmd); err != nil {
return vterrors.Wrapf(err, "VReplicationExec(%v, %s) failed", dest.MasterAlias, cmd)
}
return wr.refreshMasters(ctx, []*topo.ShardInfo{dest})
} | [
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] | // VerticalSplitClone initiates a VerticalSplitClone workflow. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/wrangler/keyspace.go#L153-L193 | train |
vitessio/vitess | go/vt/wrangler/keyspace.go | MigrateServedTypes | func (wr *Wrangler) MigrateServedTypes(ctx context.Context, keyspace, shard string, cells []string, servedType topodatapb.TabletType, reverse, skipReFreshState bool, filteredReplicationWaitTime time.Duration, reverseReplication bool) (err error) {
// check input parameters
if servedType == topodatapb.TabletType_MASTER {
// we cannot migrate a master back, since when master migration
// is done, the source shards are dead
if reverse {
return fmt.Errorf("cannot migrate master back to %v/%v", keyspace, shard)
}
// we cannot skip refresh state for a master
if skipReFreshState {
return fmt.Errorf("cannot skip refresh state for master migration on %v/%v", keyspace, shard)
}
if cells != nil {
return fmt.Errorf("cannot specify cells for master migration on %v/%v", keyspace, shard)
}
}
// lock the keyspace
ctx, unlock, lockErr := wr.ts.LockKeyspace(ctx, keyspace, fmt.Sprintf("MigrateServedTypes(%v)", servedType))
if lockErr != nil {
return lockErr
}
defer unlock(&err)
// find overlapping shards in this keyspace
wr.Logger().Infof("Finding the overlapping shards in keyspace %v", keyspace)
osList, err := topotools.FindOverlappingShards(ctx, wr.ts, keyspace)
if err != nil {
return fmt.Errorf("FindOverlappingShards failed: %v", err)
}
// find our shard in there
os := topotools.OverlappingShardsForShard(osList, shard)
if os == nil {
return fmt.Errorf("shard %v is not involved in any overlapping shards", shard)
}
sourceShards, destinationShards, err := wr.findSourceDest(ctx, os)
if err != nil {
return err
}
// execute the migration
if servedType == topodatapb.TabletType_MASTER {
if err = wr.masterMigrateServedType(ctx, keyspace, sourceShards, destinationShards, filteredReplicationWaitTime, reverseReplication); err != nil {
return err
}
} else {
if err = wr.replicaMigrateServedType(ctx, keyspace, sourceShards, destinationShards, cells, servedType, reverse); err != nil {
return err
}
}
// Master migrate performs its own refresh.
// Otherwise, honor skipRefreshState if requested.
if servedType == topodatapb.TabletType_MASTER || skipReFreshState {
return nil
}
// refresh
// TODO(b/26388813): Integrate vtctl WaitForDrain here instead of just sleeping.
// Anything that's not a replica will use the RDONLY sleep time.
waitForDrainSleep := *waitForDrainSleepRdonly
if servedType == topodatapb.TabletType_REPLICA {
waitForDrainSleep = *waitForDrainSleepReplica
}
wr.Logger().Infof("WaitForDrain: Sleeping for %.0f seconds before shutting down query service on old tablets...", waitForDrainSleep.Seconds())
time.Sleep(waitForDrainSleep)
wr.Logger().Infof("WaitForDrain: Sleeping finished. Shutting down queryservice on old tablets now.")
rec := concurrency.AllErrorRecorder{}
refreshShards := sourceShards
if reverse {
// For a backwards migration, we should refresh (disable) destination shards instead.
refreshShards = destinationShards
}
for _, si := range refreshShards {
rec.RecordError(wr.RefreshTabletsByShard(ctx, si, []topodatapb.TabletType{servedType}, cells))
}
return rec.Error()
} | go | func (wr *Wrangler) MigrateServedTypes(ctx context.Context, keyspace, shard string, cells []string, servedType topodatapb.TabletType, reverse, skipReFreshState bool, filteredReplicationWaitTime time.Duration, reverseReplication bool) (err error) {
// check input parameters
if servedType == topodatapb.TabletType_MASTER {
// we cannot migrate a master back, since when master migration
// is done, the source shards are dead
if reverse {
return fmt.Errorf("cannot migrate master back to %v/%v", keyspace, shard)
}
// we cannot skip refresh state for a master
if skipReFreshState {
return fmt.Errorf("cannot skip refresh state for master migration on %v/%v", keyspace, shard)
}
if cells != nil {
return fmt.Errorf("cannot specify cells for master migration on %v/%v", keyspace, shard)
}
}
// lock the keyspace
ctx, unlock, lockErr := wr.ts.LockKeyspace(ctx, keyspace, fmt.Sprintf("MigrateServedTypes(%v)", servedType))
if lockErr != nil {
return lockErr
}
defer unlock(&err)
// find overlapping shards in this keyspace
wr.Logger().Infof("Finding the overlapping shards in keyspace %v", keyspace)
osList, err := topotools.FindOverlappingShards(ctx, wr.ts, keyspace)
if err != nil {
return fmt.Errorf("FindOverlappingShards failed: %v", err)
}
// find our shard in there
os := topotools.OverlappingShardsForShard(osList, shard)
if os == nil {
return fmt.Errorf("shard %v is not involved in any overlapping shards", shard)
}
sourceShards, destinationShards, err := wr.findSourceDest(ctx, os)
if err != nil {
return err
}
// execute the migration
if servedType == topodatapb.TabletType_MASTER {
if err = wr.masterMigrateServedType(ctx, keyspace, sourceShards, destinationShards, filteredReplicationWaitTime, reverseReplication); err != nil {
return err
}
} else {
if err = wr.replicaMigrateServedType(ctx, keyspace, sourceShards, destinationShards, cells, servedType, reverse); err != nil {
return err
}
}
// Master migrate performs its own refresh.
// Otherwise, honor skipRefreshState if requested.
if servedType == topodatapb.TabletType_MASTER || skipReFreshState {
return nil
}
// refresh
// TODO(b/26388813): Integrate vtctl WaitForDrain here instead of just sleeping.
// Anything that's not a replica will use the RDONLY sleep time.
waitForDrainSleep := *waitForDrainSleepRdonly
if servedType == topodatapb.TabletType_REPLICA {
waitForDrainSleep = *waitForDrainSleepReplica
}
wr.Logger().Infof("WaitForDrain: Sleeping for %.0f seconds before shutting down query service on old tablets...", waitForDrainSleep.Seconds())
time.Sleep(waitForDrainSleep)
wr.Logger().Infof("WaitForDrain: Sleeping finished. Shutting down queryservice on old tablets now.")
rec := concurrency.AllErrorRecorder{}
refreshShards := sourceShards
if reverse {
// For a backwards migration, we should refresh (disable) destination shards instead.
refreshShards = destinationShards
}
for _, si := range refreshShards {
rec.RecordError(wr.RefreshTabletsByShard(ctx, si, []topodatapb.TabletType{servedType}, cells))
}
return rec.Error()
} | [
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] | // MigrateServedTypes is used during horizontal splits to migrate a
// served type from a list of shards to another. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/wrangler/keyspace.go#L340-L420 | train |
vitessio/vitess | go/vt/wrangler/keyspace.go | findSourceDest | func (wr *Wrangler) findSourceDest(ctx context.Context, os *topotools.OverlappingShards) (sourceShards, destinationShards []*topo.ShardInfo, err error) {
// It's possible that both source and destination have source shards because of reversible replication.
// If so, the Frozen flag in the tablet control record dictates the direction.
// So, check that first.
for _, left := range os.Left {
tc := left.GetTabletControl(topodatapb.TabletType_MASTER)
if tc == nil {
continue
}
if tc.Frozen {
return os.Left, os.Right, nil
}
}
for _, right := range os.Right {
tc := right.GetTabletControl(topodatapb.TabletType_MASTER)
if tc == nil {
continue
}
if tc.Frozen {
return os.Right, os.Left, nil
}
}
for _, left := range os.Left {
if len(left.SourceShards) != 0 {
return os.Right, os.Left, nil
}
}
for _, right := range os.Right {
if len(right.SourceShards) != 0 {
return os.Left, os.Right, nil
}
}
return nil, nil, fmt.Errorf("neither Shard '%v' nor Shard '%v' have a 'SourceShards' entry. Did you successfully run vtworker SplitClone before? Or did you already migrate the MASTER type?", os.Left[0].ShardName(), os.Right[0].ShardName())
} | go | func (wr *Wrangler) findSourceDest(ctx context.Context, os *topotools.OverlappingShards) (sourceShards, destinationShards []*topo.ShardInfo, err error) {
// It's possible that both source and destination have source shards because of reversible replication.
// If so, the Frozen flag in the tablet control record dictates the direction.
// So, check that first.
for _, left := range os.Left {
tc := left.GetTabletControl(topodatapb.TabletType_MASTER)
if tc == nil {
continue
}
if tc.Frozen {
return os.Left, os.Right, nil
}
}
for _, right := range os.Right {
tc := right.GetTabletControl(topodatapb.TabletType_MASTER)
if tc == nil {
continue
}
if tc.Frozen {
return os.Right, os.Left, nil
}
}
for _, left := range os.Left {
if len(left.SourceShards) != 0 {
return os.Right, os.Left, nil
}
}
for _, right := range os.Right {
if len(right.SourceShards) != 0 {
return os.Left, os.Right, nil
}
}
return nil, nil, fmt.Errorf("neither Shard '%v' nor Shard '%v' have a 'SourceShards' entry. Did you successfully run vtworker SplitClone before? Or did you already migrate the MASTER type?", os.Left[0].ShardName(), os.Right[0].ShardName())
} | [
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")",
")",
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"}"
] | // findSourceDest derives the source and destination from the overlapping shards.
// Whichever side has SourceShards is a destination. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/wrangler/keyspace.go#L424-L457 | train |
vitessio/vitess | go/vt/wrangler/keyspace.go | refreshMasters | func (wr *Wrangler) refreshMasters(ctx context.Context, shards []*topo.ShardInfo) error {
wg := sync.WaitGroup{}
rec := concurrency.AllErrorRecorder{}
for _, si := range shards {
wg.Add(1)
go func(si *topo.ShardInfo) {
defer wg.Done()
wr.Logger().Infof("RefreshState master %v", topoproto.TabletAliasString(si.MasterAlias))
ti, err := wr.ts.GetTablet(ctx, si.MasterAlias)
if err != nil {
rec.RecordError(err)
return
}
if err := wr.tmc.RefreshState(ctx, ti.Tablet); err != nil {
rec.RecordError(err)
} else {
wr.Logger().Infof("%v responded", topoproto.TabletAliasString(si.MasterAlias))
}
}(si)
}
wg.Wait()
return rec.Error()
} | go | func (wr *Wrangler) refreshMasters(ctx context.Context, shards []*topo.ShardInfo) error {
wg := sync.WaitGroup{}
rec := concurrency.AllErrorRecorder{}
for _, si := range shards {
wg.Add(1)
go func(si *topo.ShardInfo) {
defer wg.Done()
wr.Logger().Infof("RefreshState master %v", topoproto.TabletAliasString(si.MasterAlias))
ti, err := wr.ts.GetTablet(ctx, si.MasterAlias)
if err != nil {
rec.RecordError(err)
return
}
if err := wr.tmc.RefreshState(ctx, ti.Tablet); err != nil {
rec.RecordError(err)
} else {
wr.Logger().Infof("%v responded", topoproto.TabletAliasString(si.MasterAlias))
}
}(si)
}
wg.Wait()
return rec.Error()
} | [
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] | // refreshMasters will just RPC-ping all the masters with RefreshState | [
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"will",
"just",
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"-",
"ping",
"all",
"the",
"masters",
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/wrangler/keyspace.go#L537-L560 | train |
vitessio/vitess | go/vt/wrangler/keyspace.go | replicaMigrateServedType | func (wr *Wrangler) replicaMigrateServedType(ctx context.Context, keyspace string, sourceShards, destinationShards []*topo.ShardInfo, cells []string, servedType topodatapb.TabletType, reverse bool) (err error) {
ev := &events.MigrateServedTypes{
KeyspaceName: keyspace,
SourceShards: sourceShards,
DestinationShards: destinationShards,
ServedType: servedType,
Reverse: reverse,
}
event.DispatchUpdate(ev, "start")
defer func() {
if err != nil {
event.DispatchUpdate(ev, "failed: "+err.Error())
}
}()
fromShards, toShards := sourceShards, destinationShards
if reverse {
fromShards, toShards = toShards, fromShards
}
// Check and update all source shard records.
// Enable query service if needed
event.DispatchUpdate(ev, "updating shards to migrate from")
if err = wr.updateShardRecords(ctx, keyspace, fromShards, cells, servedType, true /* isFrom */, false /* clearSourceShards */); err != nil {
return err
}
// Do the same for destination shards
event.DispatchUpdate(ev, "updating shards to migrate to")
if err = wr.updateShardRecords(ctx, keyspace, toShards, cells, servedType, false, false); err != nil {
return err
}
// Now update serving keyspace
if err = wr.ts.MigrateServedType(ctx, keyspace, toShards, fromShards, servedType, cells); err != nil {
return err
}
event.DispatchUpdate(ev, "finished")
return nil
} | go | func (wr *Wrangler) replicaMigrateServedType(ctx context.Context, keyspace string, sourceShards, destinationShards []*topo.ShardInfo, cells []string, servedType topodatapb.TabletType, reverse bool) (err error) {
ev := &events.MigrateServedTypes{
KeyspaceName: keyspace,
SourceShards: sourceShards,
DestinationShards: destinationShards,
ServedType: servedType,
Reverse: reverse,
}
event.DispatchUpdate(ev, "start")
defer func() {
if err != nil {
event.DispatchUpdate(ev, "failed: "+err.Error())
}
}()
fromShards, toShards := sourceShards, destinationShards
if reverse {
fromShards, toShards = toShards, fromShards
}
// Check and update all source shard records.
// Enable query service if needed
event.DispatchUpdate(ev, "updating shards to migrate from")
if err = wr.updateShardRecords(ctx, keyspace, fromShards, cells, servedType, true /* isFrom */, false /* clearSourceShards */); err != nil {
return err
}
// Do the same for destination shards
event.DispatchUpdate(ev, "updating shards to migrate to")
if err = wr.updateShardRecords(ctx, keyspace, toShards, cells, servedType, false, false); err != nil {
return err
}
// Now update serving keyspace
if err = wr.ts.MigrateServedType(ctx, keyspace, toShards, fromShards, servedType, cells); err != nil {
return err
}
event.DispatchUpdate(ev, "finished")
return nil
} | [
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] | // replicaMigrateServedType operates with the keyspace locked | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/wrangler/keyspace.go#L563-L604 | train |
vitessio/vitess | go/vt/wrangler/keyspace.go | updateShardRecords | func (wr *Wrangler) updateShardRecords(ctx context.Context, keyspace string, shards []*topo.ShardInfo, cells []string, servedType topodatapb.TabletType, isFrom bool, clearSourceShards bool) (err error) {
err = wr.ts.UpdateDisableQueryService(ctx, keyspace, shards, servedType, cells, isFrom /* disable */)
if err != nil {
return err
}
for i, si := range shards {
updatedShard, err := wr.ts.UpdateShardFields(ctx, si.Keyspace(), si.ShardName(), func(si *topo.ShardInfo) error {
if clearSourceShards {
si.SourceShards = nil
}
return nil
})
if err != nil {
return err
}
shards[i] = updatedShard
// For 'to' shards, refresh to make them serve.
// The 'from' shards will be refreshed after traffic has migrated.
if !isFrom {
wr.RefreshTabletsByShard(ctx, si, []topodatapb.TabletType{servedType}, cells)
}
}
return nil
} | go | func (wr *Wrangler) updateShardRecords(ctx context.Context, keyspace string, shards []*topo.ShardInfo, cells []string, servedType topodatapb.TabletType, isFrom bool, clearSourceShards bool) (err error) {
err = wr.ts.UpdateDisableQueryService(ctx, keyspace, shards, servedType, cells, isFrom /* disable */)
if err != nil {
return err
}
for i, si := range shards {
updatedShard, err := wr.ts.UpdateShardFields(ctx, si.Keyspace(), si.ShardName(), func(si *topo.ShardInfo) error {
if clearSourceShards {
si.SourceShards = nil
}
return nil
})
if err != nil {
return err
}
shards[i] = updatedShard
// For 'to' shards, refresh to make them serve.
// The 'from' shards will be refreshed after traffic has migrated.
if !isFrom {
wr.RefreshTabletsByShard(ctx, si, []topodatapb.TabletType{servedType}, cells)
}
}
return nil
} | [
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] | // updateShardRecords updates the shard records based on 'from' or 'to' direction. | [
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"the",
"shard",
"records",
"based",
"on",
"from",
"or",
"to",
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"."
] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/wrangler/keyspace.go#L850-L877 | train |
vitessio/vitess | go/vt/wrangler/keyspace.go | updateFrozenFlag | func (wr *Wrangler) updateFrozenFlag(ctx context.Context, shards []*topo.ShardInfo, value bool) (err error) {
for i, si := range shards {
updatedShard, err := wr.ts.UpdateShardFields(ctx, si.Keyspace(), si.ShardName(), func(si *topo.ShardInfo) error {
tc := si.GetTabletControl(topodatapb.TabletType_MASTER)
if tc != nil {
tc.Frozen = value
return nil
}
// This shard does not have a tablet control record, adding one to set frozen flag
tc = &topodatapb.Shard_TabletControl{
TabletType: topodatapb.TabletType_MASTER,
Frozen: value,
}
si.TabletControls = append(si.TabletControls, tc)
return nil
})
if err != nil {
return err
}
shards[i] = updatedShard
}
return nil
} | go | func (wr *Wrangler) updateFrozenFlag(ctx context.Context, shards []*topo.ShardInfo, value bool) (err error) {
for i, si := range shards {
updatedShard, err := wr.ts.UpdateShardFields(ctx, si.Keyspace(), si.ShardName(), func(si *topo.ShardInfo) error {
tc := si.GetTabletControl(topodatapb.TabletType_MASTER)
if tc != nil {
tc.Frozen = value
return nil
}
// This shard does not have a tablet control record, adding one to set frozen flag
tc = &topodatapb.Shard_TabletControl{
TabletType: topodatapb.TabletType_MASTER,
Frozen: value,
}
si.TabletControls = append(si.TabletControls, tc)
return nil
})
if err != nil {
return err
}
shards[i] = updatedShard
}
return nil
} | [
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] | // updateFrozenFlag sets or unsets the Frozen flag for master migration. This is performed
// for all master tablet control records. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/wrangler/keyspace.go#L881-L904 | train |
vitessio/vitess | go/vt/wrangler/keyspace.go | MigrateServedFrom | func (wr *Wrangler) MigrateServedFrom(ctx context.Context, keyspace, shard string, servedType topodatapb.TabletType, cells []string, reverse bool, filteredReplicationWaitTime time.Duration) (err error) {
// read the destination keyspace, check it
ki, err := wr.ts.GetKeyspace(ctx, keyspace)
if err != nil {
return err
}
if len(ki.ServedFroms) == 0 {
return fmt.Errorf("destination keyspace %v is not a vertical split target", keyspace)
}
// read the destination shard, check it
si, err := wr.ts.GetShard(ctx, keyspace, shard)
if err != nil {
return err
}
if len(si.SourceShards) != 1 || len(si.SourceShards[0].Tables) == 0 {
return fmt.Errorf("destination shard %v/%v is not a vertical split target", keyspace, shard)
}
// check the migration is valid before locking (will also be checked
// after locking to be sure)
sourceKeyspace := si.SourceShards[0].Keyspace
if err := ki.CheckServedFromMigration(servedType, cells, sourceKeyspace, !reverse); err != nil {
return err
}
// lock the keyspaces, source first.
ctx, unlock, lockErr := wr.ts.LockKeyspace(ctx, sourceKeyspace, fmt.Sprintf("MigrateServedFrom(%v)", servedType))
if lockErr != nil {
return lockErr
}
defer unlock(&err)
ctx, unlock, lockErr = wr.ts.LockKeyspace(ctx, keyspace, fmt.Sprintf("MigrateServedFrom(%v)", servedType))
if lockErr != nil {
return lockErr
}
defer unlock(&err)
// execute the migration
err = wr.migrateServedFromLocked(ctx, ki, si, servedType, cells, reverse, filteredReplicationWaitTime)
// rebuild the keyspace serving graph if there was no error
if err == nil {
err = topotools.RebuildKeyspaceLocked(ctx, wr.logger, wr.ts, keyspace, cells)
}
return err
} | go | func (wr *Wrangler) MigrateServedFrom(ctx context.Context, keyspace, shard string, servedType topodatapb.TabletType, cells []string, reverse bool, filteredReplicationWaitTime time.Duration) (err error) {
// read the destination keyspace, check it
ki, err := wr.ts.GetKeyspace(ctx, keyspace)
if err != nil {
return err
}
if len(ki.ServedFroms) == 0 {
return fmt.Errorf("destination keyspace %v is not a vertical split target", keyspace)
}
// read the destination shard, check it
si, err := wr.ts.GetShard(ctx, keyspace, shard)
if err != nil {
return err
}
if len(si.SourceShards) != 1 || len(si.SourceShards[0].Tables) == 0 {
return fmt.Errorf("destination shard %v/%v is not a vertical split target", keyspace, shard)
}
// check the migration is valid before locking (will also be checked
// after locking to be sure)
sourceKeyspace := si.SourceShards[0].Keyspace
if err := ki.CheckServedFromMigration(servedType, cells, sourceKeyspace, !reverse); err != nil {
return err
}
// lock the keyspaces, source first.
ctx, unlock, lockErr := wr.ts.LockKeyspace(ctx, sourceKeyspace, fmt.Sprintf("MigrateServedFrom(%v)", servedType))
if lockErr != nil {
return lockErr
}
defer unlock(&err)
ctx, unlock, lockErr = wr.ts.LockKeyspace(ctx, keyspace, fmt.Sprintf("MigrateServedFrom(%v)", servedType))
if lockErr != nil {
return lockErr
}
defer unlock(&err)
// execute the migration
err = wr.migrateServedFromLocked(ctx, ki, si, servedType, cells, reverse, filteredReplicationWaitTime)
// rebuild the keyspace serving graph if there was no error
if err == nil {
err = topotools.RebuildKeyspaceLocked(ctx, wr.logger, wr.ts, keyspace, cells)
}
return err
} | [
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] | // MigrateServedFrom is used during vertical splits to migrate a
// served type from a keyspace to another. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/wrangler/keyspace.go#L1083-L1130 | train |
vitessio/vitess | go/vt/wrangler/keyspace.go | SetKeyspaceServedFrom | func (wr *Wrangler) SetKeyspaceServedFrom(ctx context.Context, keyspace string, servedType topodatapb.TabletType, cells []string, sourceKeyspace string, remove bool) (err error) {
// Lock the keyspace
ctx, unlock, lockErr := wr.ts.LockKeyspace(ctx, keyspace, "SetKeyspaceServedFrom")
if lockErr != nil {
return lockErr
}
defer unlock(&err)
// and update it
ki, err := wr.ts.GetKeyspace(ctx, keyspace)
if err != nil {
return err
}
if err := ki.UpdateServedFromMap(servedType, cells, sourceKeyspace, remove, nil); err != nil {
return err
}
return wr.ts.UpdateKeyspace(ctx, ki)
} | go | func (wr *Wrangler) SetKeyspaceServedFrom(ctx context.Context, keyspace string, servedType topodatapb.TabletType, cells []string, sourceKeyspace string, remove bool) (err error) {
// Lock the keyspace
ctx, unlock, lockErr := wr.ts.LockKeyspace(ctx, keyspace, "SetKeyspaceServedFrom")
if lockErr != nil {
return lockErr
}
defer unlock(&err)
// and update it
ki, err := wr.ts.GetKeyspace(ctx, keyspace)
if err != nil {
return err
}
if err := ki.UpdateServedFromMap(servedType, cells, sourceKeyspace, remove, nil); err != nil {
return err
}
return wr.ts.UpdateKeyspace(ctx, ki)
} | [
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] | // SetKeyspaceServedFrom locks a keyspace and changes its ServerFromMap | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/wrangler/keyspace.go#L1296-L1313 | train |
vitessio/vitess | go/vt/wrangler/keyspace.go | RefreshTabletsByShard | func (wr *Wrangler) RefreshTabletsByShard(ctx context.Context, si *topo.ShardInfo, tabletTypes []topodatapb.TabletType, cells []string) error {
wr.Logger().Infof("RefreshTabletsByShard called on shard %v/%v", si.Keyspace(), si.ShardName())
tabletMap, err := wr.ts.GetTabletMapForShardByCell(ctx, si.Keyspace(), si.ShardName(), cells)
switch {
case err == nil:
// keep going
case topo.IsErrType(err, topo.PartialResult):
wr.Logger().Warningf("RefreshTabletsByShard: got partial result for shard %v/%v, may not refresh all tablets everywhere", si.Keyspace(), si.ShardName())
default:
return err
}
// ignore errors in this phase
wg := sync.WaitGroup{}
for _, ti := range tabletMap {
if tabletTypes != nil && !topoproto.IsTypeInList(ti.Type, tabletTypes) {
continue
}
if ti.Hostname == "" {
// The tablet is not running, we don't have the host
// name to connect to, so we just skip this tablet.
wr.Logger().Infof("Tablet %v has no hostname, skipping its RefreshState", ti.AliasString())
continue
}
wg.Add(1)
go func(ti *topo.TabletInfo) {
wr.Logger().Infof("Calling RefreshState on tablet %v", ti.AliasString())
// Setting an upper bound timeout to fail faster in case of an error.
// Using 60 seconds because RefreshState should not take more than 30 seconds.
// (RefreshState will restart the tablet's QueryService and most time will be spent on the shutdown, i.e. waiting up to 30 seconds on transactions (see Config.TransactionTimeout)).
ctx, cancel := context.WithTimeout(ctx, 60*time.Second)
if err := wr.tmc.RefreshState(ctx, ti.Tablet); err != nil {
wr.Logger().Warningf("RefreshTabletsByShard: failed to refresh %v: %v", ti.AliasString(), err)
}
cancel()
wg.Done()
}(ti)
}
wg.Wait()
return nil
} | go | func (wr *Wrangler) RefreshTabletsByShard(ctx context.Context, si *topo.ShardInfo, tabletTypes []topodatapb.TabletType, cells []string) error {
wr.Logger().Infof("RefreshTabletsByShard called on shard %v/%v", si.Keyspace(), si.ShardName())
tabletMap, err := wr.ts.GetTabletMapForShardByCell(ctx, si.Keyspace(), si.ShardName(), cells)
switch {
case err == nil:
// keep going
case topo.IsErrType(err, topo.PartialResult):
wr.Logger().Warningf("RefreshTabletsByShard: got partial result for shard %v/%v, may not refresh all tablets everywhere", si.Keyspace(), si.ShardName())
default:
return err
}
// ignore errors in this phase
wg := sync.WaitGroup{}
for _, ti := range tabletMap {
if tabletTypes != nil && !topoproto.IsTypeInList(ti.Type, tabletTypes) {
continue
}
if ti.Hostname == "" {
// The tablet is not running, we don't have the host
// name to connect to, so we just skip this tablet.
wr.Logger().Infof("Tablet %v has no hostname, skipping its RefreshState", ti.AliasString())
continue
}
wg.Add(1)
go func(ti *topo.TabletInfo) {
wr.Logger().Infof("Calling RefreshState on tablet %v", ti.AliasString())
// Setting an upper bound timeout to fail faster in case of an error.
// Using 60 seconds because RefreshState should not take more than 30 seconds.
// (RefreshState will restart the tablet's QueryService and most time will be spent on the shutdown, i.e. waiting up to 30 seconds on transactions (see Config.TransactionTimeout)).
ctx, cancel := context.WithTimeout(ctx, 60*time.Second)
if err := wr.tmc.RefreshState(ctx, ti.Tablet); err != nil {
wr.Logger().Warningf("RefreshTabletsByShard: failed to refresh %v: %v", ti.AliasString(), err)
}
cancel()
wg.Done()
}(ti)
}
wg.Wait()
return nil
} | [
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] | // RefreshTabletsByShard calls RefreshState on all the tables of a
// given type in a shard. It would work for the master, but the
// discovery wouldn't be very efficient. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/wrangler/keyspace.go#L1318-L1360 | train |
vitessio/vitess | go/vt/wrangler/keyspace.go | DeleteKeyspace | func (wr *Wrangler) DeleteKeyspace(ctx context.Context, keyspace string, recursive bool) error {
shards, err := wr.ts.GetShardNames(ctx, keyspace)
if err != nil {
return err
}
if recursive {
wr.Logger().Infof("Deleting all shards (and their tablets) in keyspace %v", keyspace)
for _, shard := range shards {
wr.Logger().Infof("Recursively deleting shard %v/%v", keyspace, shard)
if err := wr.DeleteShard(ctx, keyspace, shard, true /* recursive */, true /* evenIfServing */); err != nil && !topo.IsErrType(err, topo.NoNode) {
// Unlike the errors below in non-recursive steps, we don't want to
// continue if a DeleteShard fails. If we continue and delete the
// keyspace, the tablet records will be orphaned, since we'll
// no longer know how to list out the shard they belong to.
//
// If the problem is temporary, or resolved externally, re-running
// DeleteKeyspace will skip over shards that were already deleted.
return fmt.Errorf("can't delete shard %v/%v: %v", keyspace, shard, err)
}
}
} else if len(shards) > 0 {
return fmt.Errorf("keyspace %v still has %v shards; use -recursive or remove them manually", keyspace, len(shards))
}
// Delete the cell-local keyspace entries.
cells, err := wr.ts.GetKnownCells(ctx)
if err != nil {
return err
}
for _, cell := range cells {
if err := wr.ts.DeleteKeyspaceReplication(ctx, cell, keyspace); err != nil && !topo.IsErrType(err, topo.NoNode) {
wr.Logger().Warningf("Cannot delete KeyspaceReplication in cell %v for %v: %v", cell, keyspace, err)
}
if err := wr.ts.DeleteSrvKeyspace(ctx, cell, keyspace); err != nil && !topo.IsErrType(err, topo.NoNode) {
wr.Logger().Warningf("Cannot delete SrvKeyspace in cell %v for %v: %v", cell, keyspace, err)
}
}
// Delete the cell-global VSchema path
// If not remove this, vtctld web page Dashboard will Display Error
vschema := &vschemapb.Keyspace{}
if err := wr.ts.SaveVSchema(ctx, keyspace, vschema); err != nil && !topo.IsErrType(err, topo.NoNode) {
return err
}
return wr.ts.DeleteKeyspace(ctx, keyspace)
} | go | func (wr *Wrangler) DeleteKeyspace(ctx context.Context, keyspace string, recursive bool) error {
shards, err := wr.ts.GetShardNames(ctx, keyspace)
if err != nil {
return err
}
if recursive {
wr.Logger().Infof("Deleting all shards (and their tablets) in keyspace %v", keyspace)
for _, shard := range shards {
wr.Logger().Infof("Recursively deleting shard %v/%v", keyspace, shard)
if err := wr.DeleteShard(ctx, keyspace, shard, true /* recursive */, true /* evenIfServing */); err != nil && !topo.IsErrType(err, topo.NoNode) {
// Unlike the errors below in non-recursive steps, we don't want to
// continue if a DeleteShard fails. If we continue and delete the
// keyspace, the tablet records will be orphaned, since we'll
// no longer know how to list out the shard they belong to.
//
// If the problem is temporary, or resolved externally, re-running
// DeleteKeyspace will skip over shards that were already deleted.
return fmt.Errorf("can't delete shard %v/%v: %v", keyspace, shard, err)
}
}
} else if len(shards) > 0 {
return fmt.Errorf("keyspace %v still has %v shards; use -recursive or remove them manually", keyspace, len(shards))
}
// Delete the cell-local keyspace entries.
cells, err := wr.ts.GetKnownCells(ctx)
if err != nil {
return err
}
for _, cell := range cells {
if err := wr.ts.DeleteKeyspaceReplication(ctx, cell, keyspace); err != nil && !topo.IsErrType(err, topo.NoNode) {
wr.Logger().Warningf("Cannot delete KeyspaceReplication in cell %v for %v: %v", cell, keyspace, err)
}
if err := wr.ts.DeleteSrvKeyspace(ctx, cell, keyspace); err != nil && !topo.IsErrType(err, topo.NoNode) {
wr.Logger().Warningf("Cannot delete SrvKeyspace in cell %v for %v: %v", cell, keyspace, err)
}
}
// Delete the cell-global VSchema path
// If not remove this, vtctld web page Dashboard will Display Error
vschema := &vschemapb.Keyspace{}
if err := wr.ts.SaveVSchema(ctx, keyspace, vschema); err != nil && !topo.IsErrType(err, topo.NoNode) {
return err
}
return wr.ts.DeleteKeyspace(ctx, keyspace)
} | [
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] | // DeleteKeyspace will do all the necessary changes in the topology server
// to entirely remove a keyspace. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/wrangler/keyspace.go#L1364-L1411 | train |
vitessio/vitess | go/mysql/fakesqldb/server.go | New | func New(t *testing.T) *DB {
// Pick a path for our socket.
socketDir, err := ioutil.TempDir("", "fakesqldb")
if err != nil {
t.Fatalf("ioutil.TempDir failed: %v", err)
}
socketFile := path.Join(socketDir, "fakesqldb.sock")
// Create our DB.
db := &DB{
t: t,
socketFile: socketFile,
name: "fakesqldb",
data: make(map[string]*ExpectedResult),
rejectedData: make(map[string]error),
queryCalled: make(map[string]int),
connections: make(map[uint32]*mysql.Conn),
}
db.Handler = db
authServer := &mysql.AuthServerNone{}
// Start listening.
db.listener, err = mysql.NewListener("unix", socketFile, authServer, db, 0, 0)
if err != nil {
t.Fatalf("NewListener failed: %v", err)
}
db.acceptWG.Add(1)
go func() {
defer db.acceptWG.Done()
db.listener.Accept()
}()
// Return the db.
return db
} | go | func New(t *testing.T) *DB {
// Pick a path for our socket.
socketDir, err := ioutil.TempDir("", "fakesqldb")
if err != nil {
t.Fatalf("ioutil.TempDir failed: %v", err)
}
socketFile := path.Join(socketDir, "fakesqldb.sock")
// Create our DB.
db := &DB{
t: t,
socketFile: socketFile,
name: "fakesqldb",
data: make(map[string]*ExpectedResult),
rejectedData: make(map[string]error),
queryCalled: make(map[string]int),
connections: make(map[uint32]*mysql.Conn),
}
db.Handler = db
authServer := &mysql.AuthServerNone{}
// Start listening.
db.listener, err = mysql.NewListener("unix", socketFile, authServer, db, 0, 0)
if err != nil {
t.Fatalf("NewListener failed: %v", err)
}
db.acceptWG.Add(1)
go func() {
defer db.acceptWG.Done()
db.listener.Accept()
}()
// Return the db.
return db
} | [
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] | // New creates a server, and starts listening. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/fakesqldb/server.go#L143-L180 | train |
vitessio/vitess | go/mysql/fakesqldb/server.go | SetName | func (db *DB) SetName(name string) *DB {
db.mu.Lock()
defer db.mu.Unlock()
db.name = name
return db
} | go | func (db *DB) SetName(name string) *DB {
db.mu.Lock()
defer db.mu.Unlock()
db.name = name
return db
} | [
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] | // SetName sets the name of the DB. to differentiate them in tests if needed. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/fakesqldb/server.go#L183-L189 | train |
vitessio/vitess | go/mysql/fakesqldb/server.go | OrderMatters | func (db *DB) OrderMatters() *DB {
db.mu.Lock()
defer db.mu.Unlock()
db.orderMatters = true
return db
} | go | func (db *DB) OrderMatters() *DB {
db.mu.Lock()
defer db.mu.Unlock()
db.orderMatters = true
return db
} | [
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] | // OrderMatters sets the orderMatters flag. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/fakesqldb/server.go#L192-L198 | train |
vitessio/vitess | go/mysql/fakesqldb/server.go | Close | func (db *DB) Close() {
db.listener.Close()
db.acceptWG.Wait()
db.CloseAllConnections()
tmpDir := path.Dir(db.socketFile)
os.RemoveAll(tmpDir)
} | go | func (db *DB) Close() {
db.listener.Close()
db.acceptWG.Wait()
db.CloseAllConnections()
tmpDir := path.Dir(db.socketFile)
os.RemoveAll(tmpDir)
} | [
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] | // Close closes the Listener and waits for it to stop accepting.
// It then closes all connections, and cleans up the temporary directory. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/fakesqldb/server.go#L202-L210 | train |
vitessio/vitess | go/mysql/fakesqldb/server.go | ConnParams | func (db *DB) ConnParams() *mysql.ConnParams {
return &mysql.ConnParams{
UnixSocket: db.socketFile,
Uname: "user1",
Pass: "password1",
Charset: "utf8",
}
} | go | func (db *DB) ConnParams() *mysql.ConnParams {
return &mysql.ConnParams{
UnixSocket: db.socketFile,
Uname: "user1",
Pass: "password1",
Charset: "utf8",
}
} | [
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] | // ConnParams returns the ConnParams to connect to the DB. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/fakesqldb/server.go#L257-L264 | train |
vitessio/vitess | go/mysql/fakesqldb/server.go | ConnParamsWithUname | func (db *DB) ConnParamsWithUname(uname string) *mysql.ConnParams {
return &mysql.ConnParams{
UnixSocket: db.socketFile,
Uname: uname,
Pass: "password1",
Charset: "utf8",
}
} | go | func (db *DB) ConnParamsWithUname(uname string) *mysql.ConnParams {
return &mysql.ConnParams{
UnixSocket: db.socketFile,
Uname: uname,
Pass: "password1",
Charset: "utf8",
}
} | [
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] | // ConnParamsWithUname returns ConnParams to connect to the DB with the Uname set to the provided value. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/fakesqldb/server.go#L267-L274 | train |
vitessio/vitess | go/mysql/fakesqldb/server.go | NewConnection | func (db *DB) NewConnection(c *mysql.Conn) {
db.mu.Lock()
defer db.mu.Unlock()
if db.t != nil {
db.t.Logf("NewConnection(%v): client %v", db.name, c.ConnectionID)
}
if db.isConnFail {
panic(fmt.Errorf("simulating a connection failure"))
}
if db.connDelay != 0 {
time.Sleep(db.connDelay)
}
if conn, ok := db.connections[c.ConnectionID]; ok {
db.t.Fatalf("BUG: connection with id: %v is already active. existing conn: %v new conn: %v", c.ConnectionID, conn, c)
}
db.connections[c.ConnectionID] = c
} | go | func (db *DB) NewConnection(c *mysql.Conn) {
db.mu.Lock()
defer db.mu.Unlock()
if db.t != nil {
db.t.Logf("NewConnection(%v): client %v", db.name, c.ConnectionID)
}
if db.isConnFail {
panic(fmt.Errorf("simulating a connection failure"))
}
if db.connDelay != 0 {
time.Sleep(db.connDelay)
}
if conn, ok := db.connections[c.ConnectionID]; ok {
db.t.Fatalf("BUG: connection with id: %v is already active. existing conn: %v new conn: %v", c.ConnectionID, conn, c)
}
db.connections[c.ConnectionID] = c
} | [
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// mysql.Handler interface
//
// NewConnection is part of the mysql.Handler interface. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/fakesqldb/server.go#L281-L301 | train |
vitessio/vitess | go/mysql/fakesqldb/server.go | ConnectionClosed | func (db *DB) ConnectionClosed(c *mysql.Conn) {
db.mu.Lock()
defer db.mu.Unlock()
if db.t != nil {
db.t.Logf("ConnectionClosed(%v): client %v", db.name, c.ConnectionID)
}
if _, ok := db.connections[c.ConnectionID]; !ok {
db.t.Fatalf("BUG: Cannot delete connection from list of open connections because it is not registered. ID: %v Conn: %v", c.ConnectionID, c)
}
delete(db.connections, c.ConnectionID)
} | go | func (db *DB) ConnectionClosed(c *mysql.Conn) {
db.mu.Lock()
defer db.mu.Unlock()
if db.t != nil {
db.t.Logf("ConnectionClosed(%v): client %v", db.name, c.ConnectionID)
}
if _, ok := db.connections[c.ConnectionID]; !ok {
db.t.Fatalf("BUG: Cannot delete connection from list of open connections because it is not registered. ID: %v Conn: %v", c.ConnectionID, c)
}
delete(db.connections, c.ConnectionID)
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/fakesqldb/server.go#L304-L316 | train |
vitessio/vitess | go/mysql/fakesqldb/server.go | ComQuery | func (db *DB) ComQuery(c *mysql.Conn, query string, callback func(*sqltypes.Result) error) error {
return db.Handler.HandleQuery(c, query, callback)
} | go | func (db *DB) ComQuery(c *mysql.Conn, query string, callback func(*sqltypes.Result) error) error {
return db.Handler.HandleQuery(c, query, callback)
} | [
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"(",
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/fakesqldb/server.go#L319-L321 | train |
vitessio/vitess | go/mysql/fakesqldb/server.go | HandleQuery | func (db *DB) HandleQuery(c *mysql.Conn, query string, callback func(*sqltypes.Result) error) error {
if db.AllowAll {
return callback(&sqltypes.Result{})
}
if db.t != nil {
db.t.Logf("ComQuery(%v): client %v: %v", db.name, c.ConnectionID, query)
}
if db.orderMatters {
result, err := db.comQueryOrdered(query)
if err != nil {
return err
}
return callback(result)
}
key := strings.ToLower(query)
db.mu.Lock()
defer db.mu.Unlock()
db.queryCalled[key]++
// Check if we should close the connection and provoke errno 2013.
if db.shouldClose {
c.Close()
callback(&sqltypes.Result{})
return nil
}
// Using special handling for 'SET NAMES utf8'. The driver
// may send this at connection time, and we don't want it to
// interfere.
if key == "set names utf8" {
callback(&sqltypes.Result{})
return nil
}
// check if we should reject it.
if err, ok := db.rejectedData[key]; ok {
return err
}
// Check explicit queries from AddQuery().
result, ok := db.data[key]
if ok {
if f := result.BeforeFunc; f != nil {
f()
}
return callback(result.Result)
}
// Check query patterns from AddQueryPattern().
for _, pat := range db.patternData {
if pat.expr.MatchString(query) {
return callback(pat.result)
}
}
// Nothing matched.
return fmt.Errorf("query: '%s' is not supported on %v", query, db.name)
} | go | func (db *DB) HandleQuery(c *mysql.Conn, query string, callback func(*sqltypes.Result) error) error {
if db.AllowAll {
return callback(&sqltypes.Result{})
}
if db.t != nil {
db.t.Logf("ComQuery(%v): client %v: %v", db.name, c.ConnectionID, query)
}
if db.orderMatters {
result, err := db.comQueryOrdered(query)
if err != nil {
return err
}
return callback(result)
}
key := strings.ToLower(query)
db.mu.Lock()
defer db.mu.Unlock()
db.queryCalled[key]++
// Check if we should close the connection and provoke errno 2013.
if db.shouldClose {
c.Close()
callback(&sqltypes.Result{})
return nil
}
// Using special handling for 'SET NAMES utf8'. The driver
// may send this at connection time, and we don't want it to
// interfere.
if key == "set names utf8" {
callback(&sqltypes.Result{})
return nil
}
// check if we should reject it.
if err, ok := db.rejectedData[key]; ok {
return err
}
// Check explicit queries from AddQuery().
result, ok := db.data[key]
if ok {
if f := result.BeforeFunc; f != nil {
f()
}
return callback(result.Result)
}
// Check query patterns from AddQueryPattern().
for _, pat := range db.patternData {
if pat.expr.MatchString(query) {
return callback(pat.result)
}
}
// Nothing matched.
return fmt.Errorf("query: '%s' is not supported on %v", query, db.name)
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/fakesqldb/server.go#L329-L388 | train |
vitessio/vitess | go/mysql/fakesqldb/server.go | AddQuery | func (db *DB) AddQuery(query string, expectedResult *sqltypes.Result) *ExpectedResult {
if len(expectedResult.Rows) > 0 && len(expectedResult.Fields) == 0 {
panic(fmt.Errorf("please add Fields to this Result so it's valid: %v", query))
}
resultCopy := &sqltypes.Result{}
*resultCopy = *expectedResult
db.mu.Lock()
defer db.mu.Unlock()
key := strings.ToLower(query)
r := &ExpectedResult{resultCopy, nil}
db.data[key] = r
db.queryCalled[key] = 0
return r
} | go | func (db *DB) AddQuery(query string, expectedResult *sqltypes.Result) *ExpectedResult {
if len(expectedResult.Rows) > 0 && len(expectedResult.Fields) == 0 {
panic(fmt.Errorf("please add Fields to this Result so it's valid: %v", query))
}
resultCopy := &sqltypes.Result{}
*resultCopy = *expectedResult
db.mu.Lock()
defer db.mu.Unlock()
key := strings.ToLower(query)
r := &ExpectedResult{resultCopy, nil}
db.data[key] = r
db.queryCalled[key] = 0
return r
} | [
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// Methods to add expected queries and results.
//
// AddQuery adds a query and its expected result. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/fakesqldb/server.go#L440-L453 | train |
vitessio/vitess | go/mysql/fakesqldb/server.go | SetBeforeFunc | func (db *DB) SetBeforeFunc(query string, f func()) {
db.mu.Lock()
defer db.mu.Unlock()
key := strings.ToLower(query)
r, ok := db.data[key]
if !ok {
db.t.Fatalf("BUG: no query registered for: %v", query)
}
r.BeforeFunc = f
} | go | func (db *DB) SetBeforeFunc(query string, f func()) {
db.mu.Lock()
defer db.mu.Unlock()
key := strings.ToLower(query)
r, ok := db.data[key]
if !ok {
db.t.Fatalf("BUG: no query registered for: %v", query)
}
r.BeforeFunc = f
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/fakesqldb/server.go#L456-L466 | train |
vitessio/vitess | go/mysql/fakesqldb/server.go | DeleteQuery | func (db *DB) DeleteQuery(query string) {
db.mu.Lock()
defer db.mu.Unlock()
key := strings.ToLower(query)
delete(db.data, key)
delete(db.queryCalled, key)
} | go | func (db *DB) DeleteQuery(query string) {
db.mu.Lock()
defer db.mu.Unlock()
key := strings.ToLower(query)
delete(db.data, key)
delete(db.queryCalled, key)
} | [
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] | // DeleteQuery deletes query from the fake DB. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/fakesqldb/server.go#L484-L490 | train |
vitessio/vitess | go/mysql/fakesqldb/server.go | AddRejectedQuery | func (db *DB) AddRejectedQuery(query string, err error) {
db.mu.Lock()
defer db.mu.Unlock()
db.rejectedData[strings.ToLower(query)] = err
} | go | func (db *DB) AddRejectedQuery(query string, err error) {
db.mu.Lock()
defer db.mu.Unlock()
db.rejectedData[strings.ToLower(query)] = err
} | [
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] | // AddRejectedQuery adds a query which will be rejected at execution time. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/fakesqldb/server.go#L493-L497 | train |
vitessio/vitess | go/mysql/fakesqldb/server.go | DeleteRejectedQuery | func (db *DB) DeleteRejectedQuery(query string) {
db.mu.Lock()
defer db.mu.Unlock()
delete(db.rejectedData, strings.ToLower(query))
} | go | func (db *DB) DeleteRejectedQuery(query string) {
db.mu.Lock()
defer db.mu.Unlock()
delete(db.rejectedData, strings.ToLower(query))
} | [
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"(",
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"(",
"query",
")",
")",
"\n",
"}"
] | // DeleteRejectedQuery deletes query from the fake DB. | [
"DeleteRejectedQuery",
"deletes",
"query",
"from",
"the",
"fake",
"DB",
"."
] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/fakesqldb/server.go#L500-L504 | train |
vitessio/vitess | go/mysql/fakesqldb/server.go | GetQueryCalledNum | func (db *DB) GetQueryCalledNum(query string) int {
db.mu.Lock()
defer db.mu.Unlock()
num, ok := db.queryCalled[strings.ToLower(query)]
if !ok {
return 0
}
return num
} | go | func (db *DB) GetQueryCalledNum(query string) int {
db.mu.Lock()
defer db.mu.Unlock()
num, ok := db.queryCalled[strings.ToLower(query)]
if !ok {
return 0
}
return num
} | [
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"}",
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"}"
] | // GetQueryCalledNum returns how many times db executes a certain query. | [
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"executes",
"a",
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"."
] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/fakesqldb/server.go#L507-L515 | train |
vitessio/vitess | go/mysql/fakesqldb/server.go | EnableConnFail | func (db *DB) EnableConnFail() {
db.mu.Lock()
defer db.mu.Unlock()
db.isConnFail = true
} | go | func (db *DB) EnableConnFail() {
db.mu.Lock()
defer db.mu.Unlock()
db.isConnFail = true
} | [
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"isConnFail",
"=",
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"\n",
"}"
] | // EnableConnFail makes connection to this fake DB fail. | [
"EnableConnFail",
"makes",
"connection",
"to",
"this",
"fake",
"DB",
"fail",
"."
] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/fakesqldb/server.go#L518-L522 | train |
vitessio/vitess | go/mysql/fakesqldb/server.go | DisableConnFail | func (db *DB) DisableConnFail() {
db.mu.Lock()
defer db.mu.Unlock()
db.isConnFail = false
} | go | func (db *DB) DisableConnFail() {
db.mu.Lock()
defer db.mu.Unlock()
db.isConnFail = false
} | [
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"(",
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"}"
] | // DisableConnFail makes connection to this fake DB success. | [
"DisableConnFail",
"makes",
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"to",
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"DB",
"success",
"."
] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/fakesqldb/server.go#L525-L529 | train |
vitessio/vitess | go/mysql/fakesqldb/server.go | SetConnDelay | func (db *DB) SetConnDelay(d time.Duration) {
db.mu.Lock()
defer db.mu.Unlock()
db.connDelay = d
} | go | func (db *DB) SetConnDelay(d time.Duration) {
db.mu.Lock()
defer db.mu.Unlock()
db.connDelay = d
} | [
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"}"
] | // SetConnDelay delays connections to this fake DB for the given duration | [
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"delays",
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"this",
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"DB",
"for",
"the",
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"duration"
] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/fakesqldb/server.go#L532-L536 | train |
vitessio/vitess | go/mysql/fakesqldb/server.go | EnableShouldClose | func (db *DB) EnableShouldClose() {
db.mu.Lock()
defer db.mu.Unlock()
db.shouldClose = true
} | go | func (db *DB) EnableShouldClose() {
db.mu.Lock()
defer db.mu.Unlock()
db.shouldClose = true
} | [
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"shouldClose",
"=",
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"}"
] | // EnableShouldClose closes the connection when processing the next query. | [
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"the",
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"the",
"next",
"query",
"."
] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/fakesqldb/server.go#L539-L543 | train |
vitessio/vitess | go/mysql/fakesqldb/server.go | AddExpectedExecuteFetchAtIndex | func (db *DB) AddExpectedExecuteFetchAtIndex(index int, entry ExpectedExecuteFetch) {
db.mu.Lock()
defer db.mu.Unlock()
if db.expectedExecuteFetch == nil || index < 0 || index >= len(db.expectedExecuteFetch) {
index = appendEntry
}
if index == appendEntry {
db.expectedExecuteFetch = append(db.expectedExecuteFetch, entry)
} else {
// Grow the slice by one element.
if cap(db.expectedExecuteFetch) == len(db.expectedExecuteFetch) {
db.expectedExecuteFetch = append(db.expectedExecuteFetch, make([]ExpectedExecuteFetch, 1)...)
} else {
db.expectedExecuteFetch = db.expectedExecuteFetch[0 : len(db.expectedExecuteFetch)+1]
}
// Use copy to move the upper part of the slice out of the way and open a hole.
copy(db.expectedExecuteFetch[index+1:], db.expectedExecuteFetch[index:])
// Store the new value.
db.expectedExecuteFetch[index] = entry
}
} | go | func (db *DB) AddExpectedExecuteFetchAtIndex(index int, entry ExpectedExecuteFetch) {
db.mu.Lock()
defer db.mu.Unlock()
if db.expectedExecuteFetch == nil || index < 0 || index >= len(db.expectedExecuteFetch) {
index = appendEntry
}
if index == appendEntry {
db.expectedExecuteFetch = append(db.expectedExecuteFetch, entry)
} else {
// Grow the slice by one element.
if cap(db.expectedExecuteFetch) == len(db.expectedExecuteFetch) {
db.expectedExecuteFetch = append(db.expectedExecuteFetch, make([]ExpectedExecuteFetch, 1)...)
} else {
db.expectedExecuteFetch = db.expectedExecuteFetch[0 : len(db.expectedExecuteFetch)+1]
}
// Use copy to move the upper part of the slice out of the way and open a hole.
copy(db.expectedExecuteFetch[index+1:], db.expectedExecuteFetch[index:])
// Store the new value.
db.expectedExecuteFetch[index] = entry
}
} | [
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"index",
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"=",
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"}",
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"}"
] | // AddExpectedExecuteFetchAtIndex inserts a new entry at index.
// index values start at 0. | [
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"index",
".",
"index",
"values",
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"at",
"0",
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/fakesqldb/server.go#L564-L585 | train |
vitessio/vitess | go/mysql/fakesqldb/server.go | AddExpectedQuery | func (db *DB) AddExpectedQuery(query string, err error) {
db.AddExpectedExecuteFetch(ExpectedExecuteFetch{
Query: query,
QueryResult: &sqltypes.Result{},
Error: err,
})
} | go | func (db *DB) AddExpectedQuery(query string, err error) {
db.AddExpectedExecuteFetch(ExpectedExecuteFetch{
Query: query,
QueryResult: &sqltypes.Result{},
Error: err,
})
} | [
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"Error",
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"err",
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] | // AddExpectedQuery adds a single query with no result. | [
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"adds",
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"no",
"result",
"."
] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/fakesqldb/server.go#L588-L594 | train |
vitessio/vitess | go/mysql/fakesqldb/server.go | AddExpectedQueryAtIndex | func (db *DB) AddExpectedQueryAtIndex(index int, query string, err error) {
db.AddExpectedExecuteFetchAtIndex(index, ExpectedExecuteFetch{
Query: query,
QueryResult: &sqltypes.Result{},
Error: err,
})
} | go | func (db *DB) AddExpectedQueryAtIndex(index int, query string, err error) {
db.AddExpectedExecuteFetchAtIndex(index, ExpectedExecuteFetch{
Query: query,
QueryResult: &sqltypes.Result{},
Error: err,
})
} | [
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] | // AddExpectedQueryAtIndex adds an expected ordered query at an index. | [
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"an",
"index",
"."
] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/fakesqldb/server.go#L597-L603 | train |
vitessio/vitess | go/mysql/fakesqldb/server.go | GetEntry | func (db *DB) GetEntry(index int) *ExpectedExecuteFetch {
db.mu.Lock()
defer db.mu.Unlock()
if index < 0 || index >= len(db.expectedExecuteFetch) {
panic(fmt.Sprintf("index out of range. current length: %v", len(db.expectedExecuteFetch)))
}
return &db.expectedExecuteFetch[index]
} | go | func (db *DB) GetEntry(index int) *ExpectedExecuteFetch {
db.mu.Lock()
defer db.mu.Unlock()
if index < 0 || index >= len(db.expectedExecuteFetch) {
panic(fmt.Sprintf("index out of range. current length: %v", len(db.expectedExecuteFetch)))
}
return &db.expectedExecuteFetch[index]
} | [
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] | // GetEntry returns the expected entry at "index". If index is out of bounds,
// the return value will be nil. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/fakesqldb/server.go#L607-L616 | train |
vitessio/vitess | go/mysql/fakesqldb/server.go | DeleteAllEntries | func (db *DB) DeleteAllEntries() {
db.mu.Lock()
defer db.mu.Unlock()
db.expectedExecuteFetch = make([]ExpectedExecuteFetch, 0)
db.expectedExecuteFetchIndex = 0
} | go | func (db *DB) DeleteAllEntries() {
db.mu.Lock()
defer db.mu.Unlock()
db.expectedExecuteFetch = make([]ExpectedExecuteFetch, 0)
db.expectedExecuteFetchIndex = 0
} | [
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] | // DeleteAllEntries removes all ordered entries. | [
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"removes",
"all",
"ordered",
"entries",
"."
] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/fakesqldb/server.go#L619-L625 | train |
vitessio/vitess | go/mysql/fakesqldb/server.go | DeleteAllEntriesAfterIndex | func (db *DB) DeleteAllEntriesAfterIndex(index int) {
db.mu.Lock()
defer db.mu.Unlock()
if index < 0 || index >= len(db.expectedExecuteFetch) {
panic(fmt.Sprintf("index out of range. current length: %v", len(db.expectedExecuteFetch)))
}
if index+1 < db.expectedExecuteFetchIndex {
// Don't delete entries which were already answered.
return
}
db.expectedExecuteFetch = db.expectedExecuteFetch[:index+1]
} | go | func (db *DB) DeleteAllEntriesAfterIndex(index int) {
db.mu.Lock()
defer db.mu.Unlock()
if index < 0 || index >= len(db.expectedExecuteFetch) {
panic(fmt.Sprintf("index out of range. current length: %v", len(db.expectedExecuteFetch)))
}
if index+1 < db.expectedExecuteFetchIndex {
// Don't delete entries which were already answered.
return
}
db.expectedExecuteFetch = db.expectedExecuteFetch[:index+1]
} | [
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] | // DeleteAllEntriesAfterIndex removes all queries after the index. | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/fakesqldb/server.go#L628-L642 | train |
vitessio/vitess | go/mysql/fakesqldb/server.go | VerifyAllExecutedOrFail | func (db *DB) VerifyAllExecutedOrFail() {
db.mu.Lock()
defer db.mu.Unlock()
if db.expectedExecuteFetchIndex != len(db.expectedExecuteFetch) {
db.t.Errorf("%v: not all expected queries were executed. leftovers: %v", db.name, db.expectedExecuteFetch[db.expectedExecuteFetchIndex:])
}
} | go | func (db *DB) VerifyAllExecutedOrFail() {
db.mu.Lock()
defer db.mu.Unlock()
if db.expectedExecuteFetchIndex != len(db.expectedExecuteFetch) {
db.t.Errorf("%v: not all expected queries were executed. leftovers: %v", db.name, db.expectedExecuteFetch[db.expectedExecuteFetchIndex:])
}
} | [
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vitessio/vitess | go/vt/vtgate/engine/limit.go | MarshalJSON | func (l *Limit) MarshalJSON() ([]byte, error) {
marshalLimit := struct {
Opcode string
Count sqltypes.PlanValue
Offset sqltypes.PlanValue
Input Primitive
}{
Opcode: "Limit",
Count: l.Count,
Offset: l.Offset,
Input: l.Input,
}
return json.Marshal(marshalLimit)
} | go | func (l *Limit) MarshalJSON() ([]byte, error) {
marshalLimit := struct {
Opcode string
Count sqltypes.PlanValue
Offset sqltypes.PlanValue
Input Primitive
}{
Opcode: "Limit",
Count: l.Count,
Offset: l.Offset,
Input: l.Input,
}
return json.Marshal(marshalLimit)
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vitessio/vitess | go/vt/vtgate/engine/limit.go | Execute | func (l *Limit) Execute(vcursor VCursor, bindVars map[string]*querypb.BindVariable, wantfields bool) (*sqltypes.Result, error) {
count, err := l.fetchCount(bindVars)
if err != nil {
return nil, err
}
offset, err := l.fetchOffset(bindVars)
if err != nil {
return nil, err
}
// When offset is present, we hijack the limit value so we can calculate
// the offset in memory from the result of the scatter query with count + offset.
bindVars["__upper_limit"] = sqltypes.Int64BindVariable(int64(count + offset))
result, err := l.Input.Execute(vcursor, bindVars, wantfields)
if err != nil {
return nil, err
}
// There are more rows in the response than limit + offset
if count+offset <= len(result.Rows) {
result.Rows = result.Rows[offset : count+offset]
result.RowsAffected = uint64(count)
return result, nil
}
// Remove extra rows from response
if offset <= len(result.Rows) {
result.Rows = result.Rows[offset:]
result.RowsAffected = uint64(len(result.Rows))
return result, nil
}
// offset is beyond the result set
result.Rows = nil
result.RowsAffected = 0
return result, nil
} | go | func (l *Limit) Execute(vcursor VCursor, bindVars map[string]*querypb.BindVariable, wantfields bool) (*sqltypes.Result, error) {
count, err := l.fetchCount(bindVars)
if err != nil {
return nil, err
}
offset, err := l.fetchOffset(bindVars)
if err != nil {
return nil, err
}
// When offset is present, we hijack the limit value so we can calculate
// the offset in memory from the result of the scatter query with count + offset.
bindVars["__upper_limit"] = sqltypes.Int64BindVariable(int64(count + offset))
result, err := l.Input.Execute(vcursor, bindVars, wantfields)
if err != nil {
return nil, err
}
// There are more rows in the response than limit + offset
if count+offset <= len(result.Rows) {
result.Rows = result.Rows[offset : count+offset]
result.RowsAffected = uint64(count)
return result, nil
}
// Remove extra rows from response
if offset <= len(result.Rows) {
result.Rows = result.Rows[offset:]
result.RowsAffected = uint64(len(result.Rows))
return result, nil
}
// offset is beyond the result set
result.Rows = nil
result.RowsAffected = 0
return result, nil
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/engine/limit.go#L61-L95 | train |
vitessio/vitess | go/vt/vtgate/engine/limit.go | StreamExecute | func (l *Limit) StreamExecute(vcursor VCursor, bindVars map[string]*querypb.BindVariable, wantfields bool, callback func(*sqltypes.Result) error) error {
count, err := l.fetchCount(bindVars)
if err != nil {
return err
}
if !l.Offset.IsNull() {
return fmt.Errorf("offset not supported for stream execute queries")
}
bindVars["__upper_limit"] = sqltypes.Int64BindVariable(int64(count))
err = l.Input.StreamExecute(vcursor, bindVars, wantfields, func(qr *sqltypes.Result) error {
if len(qr.Fields) != 0 {
if err := callback(&sqltypes.Result{Fields: qr.Fields}); err != nil {
return err
}
}
if len(qr.Rows) == 0 {
return nil
}
if count == 0 {
// Unreachable: this is just a failsafe.
return io.EOF
}
// reduce count till 0.
result := &sqltypes.Result{Rows: qr.Rows}
if count > len(result.Rows) {
count -= len(result.Rows)
return callback(result)
}
result.Rows = result.Rows[:count]
count = 0
if err := callback(result); err != nil {
return err
}
return io.EOF
})
if err == io.EOF {
// We may get back the EOF we returned in the callback.
// If so, suppress it.
return nil
}
if err != nil {
return err
}
return nil
} | go | func (l *Limit) StreamExecute(vcursor VCursor, bindVars map[string]*querypb.BindVariable, wantfields bool, callback func(*sqltypes.Result) error) error {
count, err := l.fetchCount(bindVars)
if err != nil {
return err
}
if !l.Offset.IsNull() {
return fmt.Errorf("offset not supported for stream execute queries")
}
bindVars["__upper_limit"] = sqltypes.Int64BindVariable(int64(count))
err = l.Input.StreamExecute(vcursor, bindVars, wantfields, func(qr *sqltypes.Result) error {
if len(qr.Fields) != 0 {
if err := callback(&sqltypes.Result{Fields: qr.Fields}); err != nil {
return err
}
}
if len(qr.Rows) == 0 {
return nil
}
if count == 0 {
// Unreachable: this is just a failsafe.
return io.EOF
}
// reduce count till 0.
result := &sqltypes.Result{Rows: qr.Rows}
if count > len(result.Rows) {
count -= len(result.Rows)
return callback(result)
}
result.Rows = result.Rows[:count]
count = 0
if err := callback(result); err != nil {
return err
}
return io.EOF
})
if err == io.EOF {
// We may get back the EOF we returned in the callback.
// If so, suppress it.
return nil
}
if err != nil {
return err
}
return nil
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/engine/limit.go#L98-L147 | train |
vitessio/vitess | go/vt/vtgate/engine/limit.go | GetFields | func (l *Limit) GetFields(vcursor VCursor, bindVars map[string]*querypb.BindVariable) (*sqltypes.Result, error) {
return l.Input.GetFields(vcursor, bindVars)
} | go | func (l *Limit) GetFields(vcursor VCursor, bindVars map[string]*querypb.BindVariable) (*sqltypes.Result, error) {
return l.Input.GetFields(vcursor, bindVars)
} | [
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] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/engine/limit.go#L150-L152 | train |
vitessio/vitess | go/vt/mysqlctl/fakemysqldaemon/fakemysqldaemon.go | NewFakeMysqlDaemon | func NewFakeMysqlDaemon(db *fakesqldb.DB) *FakeMysqlDaemon {
result := &FakeMysqlDaemon{
db: db,
Running: true,
}
if db != nil {
result.appPool = dbconnpool.NewConnectionPool("AppConnPool", 5, time.Minute, 0)
result.appPool.Open(db.ConnParams(), stats.NewTimings("", "", ""))
}
return result
} | go | func NewFakeMysqlDaemon(db *fakesqldb.DB) *FakeMysqlDaemon {
result := &FakeMysqlDaemon{
db: db,
Running: true,
}
if db != nil {
result.appPool = dbconnpool.NewConnectionPool("AppConnPool", 5, time.Minute, 0)
result.appPool.Open(db.ConnParams(), stats.NewTimings("", "", ""))
}
return result
} | [
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] | // NewFakeMysqlDaemon returns a FakeMysqlDaemon where mysqld appears
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// 'db' can be nil if the test doesn't use a database at all. | [
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vitessio/vitess | go/vt/mysqlctl/fakemysqldaemon/fakemysqldaemon.go | Start | func (fmd *FakeMysqlDaemon) Start(ctx context.Context, cnf *mysqlctl.Mycnf, mysqldArgs ...string) error {
if fmd.Running {
return fmt.Errorf("fake mysql daemon already running")
}
fmd.Running = true
return nil
} | go | func (fmd *FakeMysqlDaemon) Start(ctx context.Context, cnf *mysqlctl.Mycnf, mysqldArgs ...string) error {
if fmd.Running {
return fmt.Errorf("fake mysql daemon already running")
}
fmd.Running = true
return nil
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"}"
] | // Start is part of the MysqlDaemon interface | [
"Start",
"is",
"part",
"of",
"the",
"MysqlDaemon",
"interface"
] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/fakemysqldaemon/fakemysqldaemon.go#L163-L169 | train |
vitessio/vitess | go/vt/mysqlctl/fakemysqldaemon/fakemysqldaemon.go | Shutdown | func (fmd *FakeMysqlDaemon) Shutdown(ctx context.Context, cnf *mysqlctl.Mycnf, waitForMysqld bool) error {
if !fmd.Running {
return fmt.Errorf("fake mysql daemon not running")
}
fmd.Running = false
return nil
} | go | func (fmd *FakeMysqlDaemon) Shutdown(ctx context.Context, cnf *mysqlctl.Mycnf, waitForMysqld bool) error {
if !fmd.Running {
return fmt.Errorf("fake mysql daemon not running")
}
fmd.Running = false
return nil
} | [
"func",
"(",
"fmd",
"*",
"FakeMysqlDaemon",
")",
"Shutdown",
"(",
"ctx",
"context",
".",
"Context",
",",
"cnf",
"*",
"mysqlctl",
".",
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",",
"waitForMysqld",
"bool",
")",
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"{",
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"(",
"\"",
"\"",
")",
"\n",
"}",
"\n",
"fmd",
".",
"Running",
"=",
"false",
"\n",
"return",
"nil",
"\n",
"}"
] | // Shutdown is part of the MysqlDaemon interface | [
"Shutdown",
"is",
"part",
"of",
"the",
"MysqlDaemon",
"interface"
] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/fakemysqldaemon/fakemysqldaemon.go#L172-L178 | train |
vitessio/vitess | go/vt/mysqlctl/fakemysqldaemon/fakemysqldaemon.go | ReinitConfig | func (fmd *FakeMysqlDaemon) ReinitConfig(ctx context.Context, cnf *mysqlctl.Mycnf) error {
return nil
} | go | func (fmd *FakeMysqlDaemon) ReinitConfig(ctx context.Context, cnf *mysqlctl.Mycnf) error {
return nil
} | [
"func",
"(",
"fmd",
"*",
"FakeMysqlDaemon",
")",
"ReinitConfig",
"(",
"ctx",
"context",
".",
"Context",
",",
"cnf",
"*",
"mysqlctl",
".",
"Mycnf",
")",
"error",
"{",
"return",
"nil",
"\n",
"}"
] | // ReinitConfig is part of the MysqlDaemon interface | [
"ReinitConfig",
"is",
"part",
"of",
"the",
"MysqlDaemon",
"interface"
] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/fakemysqldaemon/fakemysqldaemon.go#L186-L188 | train |
vitessio/vitess | go/vt/mysqlctl/fakemysqldaemon/fakemysqldaemon.go | GetMysqlPort | func (fmd *FakeMysqlDaemon) GetMysqlPort() (int32, error) {
if fmd.MysqlPort == -1 {
return 0, fmt.Errorf("FakeMysqlDaemon.GetMysqlPort returns an error")
}
return fmd.MysqlPort, nil
} | go | func (fmd *FakeMysqlDaemon) GetMysqlPort() (int32, error) {
if fmd.MysqlPort == -1 {
return 0, fmt.Errorf("FakeMysqlDaemon.GetMysqlPort returns an error")
}
return fmd.MysqlPort, nil
} | [
"func",
"(",
"fmd",
"*",
"FakeMysqlDaemon",
")",
"GetMysqlPort",
"(",
")",
"(",
"int32",
",",
"error",
")",
"{",
"if",
"fmd",
".",
"MysqlPort",
"==",
"-",
"1",
"{",
"return",
"0",
",",
"fmt",
".",
"Errorf",
"(",
"\"",
"\"",
")",
"\n",
"}",
"\n",
"return",
"fmd",
".",
"MysqlPort",
",",
"nil",
"\n",
"}"
] | // GetMysqlPort is part of the MysqlDaemon interface | [
"GetMysqlPort",
"is",
"part",
"of",
"the",
"MysqlDaemon",
"interface"
] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/fakemysqldaemon/fakemysqldaemon.go#L201-L206 | train |
vitessio/vitess | go/vt/mysqlctl/fakemysqldaemon/fakemysqldaemon.go | SlaveStatus | func (fmd *FakeMysqlDaemon) SlaveStatus() (mysql.SlaveStatus, error) {
if fmd.SlaveStatusError != nil {
return mysql.SlaveStatus{}, fmd.SlaveStatusError
}
return mysql.SlaveStatus{
Position: fmd.CurrentMasterPosition,
SecondsBehindMaster: fmd.SecondsBehindMaster,
SlaveIORunning: fmd.Replicating,
SlaveSQLRunning: fmd.Replicating,
MasterHost: fmd.CurrentMasterHost,
MasterPort: fmd.CurrentMasterPort,
}, nil
} | go | func (fmd *FakeMysqlDaemon) SlaveStatus() (mysql.SlaveStatus, error) {
if fmd.SlaveStatusError != nil {
return mysql.SlaveStatus{}, fmd.SlaveStatusError
}
return mysql.SlaveStatus{
Position: fmd.CurrentMasterPosition,
SecondsBehindMaster: fmd.SecondsBehindMaster,
SlaveIORunning: fmd.Replicating,
SlaveSQLRunning: fmd.Replicating,
MasterHost: fmd.CurrentMasterHost,
MasterPort: fmd.CurrentMasterPort,
}, nil
} | [
"func",
"(",
"fmd",
"*",
"FakeMysqlDaemon",
")",
"SlaveStatus",
"(",
")",
"(",
"mysql",
".",
"SlaveStatus",
",",
"error",
")",
"{",
"if",
"fmd",
".",
"SlaveStatusError",
"!=",
"nil",
"{",
"return",
"mysql",
".",
"SlaveStatus",
"{",
"}",
",",
"fmd",
".",
"SlaveStatusError",
"\n",
"}",
"\n",
"return",
"mysql",
".",
"SlaveStatus",
"{",
"Position",
":",
"fmd",
".",
"CurrentMasterPosition",
",",
"SecondsBehindMaster",
":",
"fmd",
".",
"SecondsBehindMaster",
",",
"SlaveIORunning",
":",
"fmd",
".",
"Replicating",
",",
"SlaveSQLRunning",
":",
"fmd",
".",
"Replicating",
",",
"MasterHost",
":",
"fmd",
".",
"CurrentMasterHost",
",",
"MasterPort",
":",
"fmd",
".",
"CurrentMasterPort",
",",
"}",
",",
"nil",
"\n",
"}"
] | // SlaveStatus is part of the MysqlDaemon interface | [
"SlaveStatus",
"is",
"part",
"of",
"the",
"MysqlDaemon",
"interface"
] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/fakemysqldaemon/fakemysqldaemon.go#L209-L221 | train |
vitessio/vitess | go/vt/mysqlctl/fakemysqldaemon/fakemysqldaemon.go | ResetReplication | func (fmd *FakeMysqlDaemon) ResetReplication(ctx context.Context) error {
return fmd.ExecuteSuperQueryList(ctx, []string{
"FAKE RESET ALL REPLICATION",
})
} | go | func (fmd *FakeMysqlDaemon) ResetReplication(ctx context.Context) error {
return fmd.ExecuteSuperQueryList(ctx, []string{
"FAKE RESET ALL REPLICATION",
})
} | [
"func",
"(",
"fmd",
"*",
"FakeMysqlDaemon",
")",
"ResetReplication",
"(",
"ctx",
"context",
".",
"Context",
")",
"error",
"{",
"return",
"fmd",
".",
"ExecuteSuperQueryList",
"(",
"ctx",
",",
"[",
"]",
"string",
"{",
"\"",
"\"",
",",
"}",
")",
"\n",
"}"
] | // ResetReplication is part of the MysqlDaemon interface. | [
"ResetReplication",
"is",
"part",
"of",
"the",
"MysqlDaemon",
"interface",
"."
] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/fakemysqldaemon/fakemysqldaemon.go#L224-L228 | train |
vitessio/vitess | go/vt/mysqlctl/fakemysqldaemon/fakemysqldaemon.go | SetReadOnly | func (fmd *FakeMysqlDaemon) SetReadOnly(on bool) error {
fmd.ReadOnly = on
return nil
} | go | func (fmd *FakeMysqlDaemon) SetReadOnly(on bool) error {
fmd.ReadOnly = on
return nil
} | [
"func",
"(",
"fmd",
"*",
"FakeMysqlDaemon",
")",
"SetReadOnly",
"(",
"on",
"bool",
")",
"error",
"{",
"fmd",
".",
"ReadOnly",
"=",
"on",
"\n",
"return",
"nil",
"\n",
"}"
] | // SetReadOnly is part of the MysqlDaemon interface | [
"SetReadOnly",
"is",
"part",
"of",
"the",
"MysqlDaemon",
"interface"
] | d568817542a413611801aa17a1c213aa95592182 | https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/fakemysqldaemon/fakemysqldaemon.go#L241-L244 | train |
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