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vitessio/vitess
go/trace/opentracing.go
New
func (jf openTracingService) New(parent Span, label string) Span { var innerSpan opentracing.Span if parent == nil { innerSpan = jf.Tracer.StartSpan(label) } else { jaegerParent := parent.(openTracingSpan) span := jaegerParent.otSpan innerSpan = jf.Tracer.StartSpan(label, opentracing.ChildOf(span.Context()))...
go
func (jf openTracingService) New(parent Span, label string) Span { var innerSpan opentracing.Span if parent == nil { innerSpan = jf.Tracer.StartSpan(label) } else { jaegerParent := parent.(openTracingSpan) span := jaegerParent.otSpan innerSpan = jf.Tracer.StartSpan(label, opentracing.ChildOf(span.Context()))...
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// New is part of an interface implementation
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/trace/opentracing.go#L65-L75
train
vitessio/vitess
go/trace/opentracing.go
FromContext
func (jf openTracingService) FromContext(ctx context.Context) (Span, bool) { innerSpan := opentracing.SpanFromContext(ctx) if innerSpan != nil { return openTracingSpan{otSpan: innerSpan}, true } else { return nil, false } }
go
func (jf openTracingService) FromContext(ctx context.Context) (Span, bool) { innerSpan := opentracing.SpanFromContext(ctx) if innerSpan != nil { return openTracingSpan{otSpan: innerSpan}, true } else { return nil, false } }
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// FromContext is part of an interface implementation
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/trace/opentracing.go#L78-L86
train
vitessio/vitess
go/trace/opentracing.go
NewContext
func (jf openTracingService) NewContext(parent context.Context, s Span) context.Context { span, ok := s.(openTracingSpan) if !ok { return nil } return opentracing.ContextWithSpan(parent, span.otSpan) }
go
func (jf openTracingService) NewContext(parent context.Context, s Span) context.Context { span, ok := s.(openTracingSpan) if !ok { return nil } return opentracing.ContextWithSpan(parent, span.otSpan) }
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// NewContext is part of an interface implementation
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/trace/opentracing.go#L89-L95
train
vitessio/vitess
go/vt/topo/server.go
RegisterFactory
func RegisterFactory(name string, factory Factory) { if factories[name] != nil { log.Fatalf("Duplicate topo.Factory registration for %v", name) } factories[name] = factory }
go
func RegisterFactory(name string, factory Factory) { if factories[name] != nil { log.Fatalf("Duplicate topo.Factory registration for %v", name) } factories[name] = factory }
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// RegisterFactory registers a Factory for an implementation for a Server. // If an implementation with that name already exists, it log.Fatals out. // Call this in the 'init' function in your topology implementation module.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topo/server.go#L169-L174
train
vitessio/vitess
go/vt/topo/server.go
NewWithFactory
func NewWithFactory(factory Factory, serverAddress, root string) (*Server, error) { conn, err := factory.Create(GlobalCell, serverAddress, root) if err != nil { return nil, err } conn = NewStatsConn(GlobalCell, conn) var connReadOnly Conn if factory.HasGlobalReadOnlyCell(serverAddress, root) { connReadOnly, ...
go
func NewWithFactory(factory Factory, serverAddress, root string) (*Server, error) { conn, err := factory.Create(GlobalCell, serverAddress, root) if err != nil { return nil, err } conn = NewStatsConn(GlobalCell, conn) var connReadOnly Conn if factory.HasGlobalReadOnlyCell(serverAddress, root) { connReadOnly, ...
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// NewWithFactory creates a new Server based on the given Factory. // It also opens the global cell connection.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topo/server.go#L178-L202
train
vitessio/vitess
go/vt/topo/server.go
OpenServer
func OpenServer(implementation, serverAddress, root string) (*Server, error) { factory, ok := factories[implementation] if !ok { return nil, NewError(NoImplementation, implementation) } return NewWithFactory(factory, serverAddress, root) }
go
func OpenServer(implementation, serverAddress, root string) (*Server, error) { factory, ok := factories[implementation] if !ok { return nil, NewError(NoImplementation, implementation) } return NewWithFactory(factory, serverAddress, root) }
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// OpenServer returns a Server using the provided implementation, // address and root for the global server.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topo/server.go#L206-L212
train
vitessio/vitess
go/vt/topo/server.go
Open
func Open() *Server { if *topoGlobalServerAddress == "" { log.Exitf("topo_global_server_address must be configured") } ts, err := OpenServer(*topoImplementation, *topoGlobalServerAddress, *topoGlobalRoot) if err != nil { log.Exitf("Failed to open topo server (%v,%v,%v): %v", *topoImplementation, *topoGlobalServ...
go
func Open() *Server { if *topoGlobalServerAddress == "" { log.Exitf("topo_global_server_address must be configured") } ts, err := OpenServer(*topoImplementation, *topoGlobalServerAddress, *topoGlobalRoot) if err != nil { log.Exitf("Failed to open topo server (%v,%v,%v): %v", *topoImplementation, *topoGlobalServ...
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// Open returns a Server using the command line parameter flags // for implementation, address and root. It log.Exits out if an error occurs.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topo/server.go#L216-L225
train
vitessio/vitess
go/vt/topo/server.go
ConnForCell
func (ts *Server) ConnForCell(ctx context.Context, cell string) (Conn, error) { // Global cell is the easy case. if cell == GlobalCell { return ts.globalCell, nil } // Return a cached client if present. ts.mu.Lock() conn, ok := ts.cells[cell] ts.mu.Unlock() if ok { return conn, nil } // Fetch cell clust...
go
func (ts *Server) ConnForCell(ctx context.Context, cell string) (Conn, error) { // Global cell is the easy case. if cell == GlobalCell { return ts.globalCell, nil } // Return a cached client if present. ts.mu.Lock() conn, ok := ts.cells[cell] ts.mu.Unlock() if ok { return conn, nil } // Fetch cell clust...
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// ConnForCell returns a Conn object for the given cell. // It caches Conn objects from previously requested cells.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topo/server.go#L229-L275
train
vitessio/vitess
go/vt/topo/server.go
GetAliasByCell
func GetAliasByCell(ctx context.Context, ts *Server, cell string) string { cellsAliases.mu.Lock() defer cellsAliases.mu.Unlock() if region, ok := cellsAliases.cellsToAliases[cell]; ok { return region } if ts != nil { // lazily get the region from cell info if `aliases` are available cellAliases, err := ts.Ge...
go
func GetAliasByCell(ctx context.Context, ts *Server, cell string) string { cellsAliases.mu.Lock() defer cellsAliases.mu.Unlock() if region, ok := cellsAliases.cellsToAliases[cell]; ok { return region } if ts != nil { // lazily get the region from cell info if `aliases` are available cellAliases, err := ts.Ge...
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// GetAliasByCell returns the alias group this `cell` belongs to, if there's none, it returns the `cell` as alias.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topo/server.go#L278-L303
train
vitessio/vitess
go/vt/topo/server.go
Close
func (ts *Server) Close() { ts.globalCell.Close() if ts.globalReadOnlyCell != ts.globalCell { ts.globalReadOnlyCell.Close() } ts.globalCell = nil ts.globalReadOnlyCell = nil ts.mu.Lock() defer ts.mu.Unlock() for _, conn := range ts.cells { conn.Close() } ts.cells = make(map[string]Conn) }
go
func (ts *Server) Close() { ts.globalCell.Close() if ts.globalReadOnlyCell != ts.globalCell { ts.globalReadOnlyCell.Close() } ts.globalCell = nil ts.globalReadOnlyCell = nil ts.mu.Lock() defer ts.mu.Unlock() for _, conn := range ts.cells { conn.Close() } ts.cells = make(map[string]Conn) }
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// Close will close all connections to underlying topo Server. // It will nil all member variables, so any further access will panic.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topo/server.go#L307-L320
train
vitessio/vitess
go/vt/vttablet/tabletserver/planbuilder/permission.go
BuildPermissions
func BuildPermissions(stmt sqlparser.Statement) []Permission { var permissions []Permission // All Statement types myst be covered here. switch node := stmt.(type) { case *sqlparser.Union, *sqlparser.Select: permissions = buildSubqueryPermissions(node, tableacl.READER, permissions) case *sqlparser.Insert: perm...
go
func BuildPermissions(stmt sqlparser.Statement) []Permission { var permissions []Permission // All Statement types myst be covered here. switch node := stmt.(type) { case *sqlparser.Union, *sqlparser.Select: permissions = buildSubqueryPermissions(node, tableacl.READER, permissions) case *sqlparser.Insert: perm...
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// BuildPermissions builds the list of required permissions for all the // tables referenced in a query.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/tabletserver/planbuilder/permission.go#L35-L64
train
vitessio/vitess
go/sqltypes/plan_value.go
IsNull
func (pv PlanValue) IsNull() bool { return pv.Key == "" && pv.Value.IsNull() && pv.ListKey == "" && pv.Values == nil }
go
func (pv PlanValue) IsNull() bool { return pv.Key == "" && pv.Value.IsNull() && pv.ListKey == "" && pv.Values == nil }
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// IsNull returns true if the PlanValue is NULL.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/sqltypes/plan_value.go#L67-L69
train
vitessio/vitess
go/sqltypes/plan_value.go
ResolveList
func (pv PlanValue) ResolveList(bindVars map[string]*querypb.BindVariable) ([]Value, error) { switch { case pv.ListKey != "": bv, err := pv.lookupList(bindVars) if err != nil { return nil, err } values := make([]Value, 0, len(bv.Values)) for _, val := range bv.Values { values = append(values, MakeTrus...
go
func (pv PlanValue) ResolveList(bindVars map[string]*querypb.BindVariable) ([]Value, error) { switch { case pv.ListKey != "": bv, err := pv.lookupList(bindVars) if err != nil { return nil, err } values := make([]Value, 0, len(bv.Values)) for _, val := range bv.Values { values = append(values, MakeTrus...
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// ResolveList resolves a PlanValue as a list of values based on the supplied bindvars.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/sqltypes/plan_value.go#L107-L133
train
vitessio/vitess
go/sqltypes/plan_value.go
MarshalJSON
func (pv PlanValue) MarshalJSON() ([]byte, error) { switch { case pv.Key != "": return json.Marshal(":" + pv.Key) case !pv.Value.IsNull(): if pv.Value.IsIntegral() { return pv.Value.ToBytes(), nil } return json.Marshal(pv.Value.ToString()) case pv.ListKey != "": return json.Marshal("::" + pv.ListKey) ...
go
func (pv PlanValue) MarshalJSON() ([]byte, error) { switch { case pv.Key != "": return json.Marshal(":" + pv.Key) case !pv.Value.IsNull(): if pv.Value.IsIntegral() { return pv.Value.ToBytes(), nil } return json.Marshal(pv.Value.ToString()) case pv.ListKey != "": return json.Marshal("::" + pv.ListKey) ...
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// MarshalJSON should be used only for testing.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/sqltypes/plan_value.go#L147-L162
train
vitessio/vitess
go/vt/discovery/healthcheck.go
ParseTabletURLTemplateFromFlag
func ParseTabletURLTemplateFromFlag() { tabletURLTemplate = template.New("") _, err := tabletURLTemplate.Parse(*tabletURLTemplateString) if err != nil { log.Exitf("error parsing template: %v", err) } }
go
func ParseTabletURLTemplateFromFlag() { tabletURLTemplate = template.New("") _, err := tabletURLTemplate.Parse(*tabletURLTemplateString) if err != nil { log.Exitf("error parsing template: %v", err) } }
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// ParseTabletURLTemplateFromFlag loads or reloads the URL template.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/discovery/healthcheck.go#L128-L134
train
vitessio/vitess
go/vt/discovery/healthcheck.go
DeepEqual
func (e *TabletStats) DeepEqual(f *TabletStats) bool { return e.Key == f.Key && proto.Equal(e.Tablet, f.Tablet) && e.Name == f.Name && proto.Equal(e.Target, f.Target) && e.Up == f.Up && e.Serving == f.Serving && e.TabletExternallyReparentedTimestamp == f.TabletExternallyReparentedTimestamp && proto.Equal...
go
func (e *TabletStats) DeepEqual(f *TabletStats) bool { return e.Key == f.Key && proto.Equal(e.Tablet, f.Tablet) && e.Name == f.Name && proto.Equal(e.Target, f.Target) && e.Up == f.Up && e.Serving == f.Serving && e.TabletExternallyReparentedTimestamp == f.TabletExternallyReparentedTimestamp && proto.Equal...
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// DeepEqual compares two TabletStats. Since we include protos, we // need to use proto.Equal on these.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/discovery/healthcheck.go#L193-L204
train
vitessio/vitess
go/vt/discovery/healthcheck.go
GetTabletHostPort
func (e TabletStats) GetTabletHostPort() string { vtPort := e.Tablet.PortMap["vt"] return netutil.JoinHostPort(e.Tablet.Hostname, vtPort) }
go
func (e TabletStats) GetTabletHostPort() string { vtPort := e.Tablet.PortMap["vt"] return netutil.JoinHostPort(e.Tablet.Hostname, vtPort) }
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// GetTabletHostPort formats a tablet host port address.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/discovery/healthcheck.go#L213-L216
train
vitessio/vitess
go/vt/discovery/healthcheck.go
GetHostNameLevel
func (e TabletStats) GetHostNameLevel(level int) string { chunkedHostname := strings.Split(e.Tablet.Hostname, ".") if level < 0 { return chunkedHostname[0] } else if level >= len(chunkedHostname) { return chunkedHostname[len(chunkedHostname)-1] } else { return chunkedHostname[level] } }
go
func (e TabletStats) GetHostNameLevel(level int) string { chunkedHostname := strings.Split(e.Tablet.Hostname, ".") if level < 0 { return chunkedHostname[0] } else if level >= len(chunkedHostname) { return chunkedHostname[len(chunkedHostname)-1] } else { return chunkedHostname[level] } }
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// GetHostNameLevel returns the specified hostname level. If the level does not exist it will pick the closest level. // This seems unused but can be utilized by certain url formatting templates. See getTabletDebugURL for more details.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/discovery/healthcheck.go#L220-L230
train
vitessio/vitess
go/vt/discovery/healthcheck.go
RegisterStats
func (hc *HealthCheckImpl) RegisterStats() { stats.NewGaugesFuncWithMultiLabels( "HealthcheckConnections", "the number of healthcheck connections registered", []string{"Keyspace", "ShardName", "TabletType"}, hc.servingConnStats) stats.NewGaugeFunc( "HealthcheckChecksum", "crc32 checksum of the current he...
go
func (hc *HealthCheckImpl) RegisterStats() { stats.NewGaugesFuncWithMultiLabels( "HealthcheckConnections", "the number of healthcheck connections registered", []string{"Keyspace", "ShardName", "TabletType"}, hc.servingConnStats) stats.NewGaugeFunc( "HealthcheckChecksum", "crc32 checksum of the current he...
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// RegisterStats registers the connection counts stats
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/discovery/healthcheck.go#L378-L389
train
vitessio/vitess
go/vt/discovery/healthcheck.go
ServeHTTP
func (hc *HealthCheckImpl) ServeHTTP(w http.ResponseWriter, _ *http.Request) { w.Header().Set("Content-Type", "application/json; charset=utf-8") status := hc.cacheStatusMap() b, err := json.MarshalIndent(status, "", " ") if err != nil { w.Write([]byte(err.Error())) return } buf := bytes.NewBuffer(nil) json....
go
func (hc *HealthCheckImpl) ServeHTTP(w http.ResponseWriter, _ *http.Request) { w.Header().Set("Content-Type", "application/json; charset=utf-8") status := hc.cacheStatusMap() b, err := json.MarshalIndent(status, "", " ") if err != nil { w.Write([]byte(err.Error())) return } buf := bytes.NewBuffer(nil) json....
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// ServeHTTP is part of the http.Handler interface. It renders the current state of the discovery gateway tablet cache into json.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/discovery/healthcheck.go#L392-L404
train
vitessio/vitess
go/vt/discovery/healthcheck.go
stateChecksum
func (hc *HealthCheckImpl) stateChecksum() int64 { // CacheStatus is sorted so this should be stable across vtgates cacheStatus := hc.CacheStatus() var buf bytes.Buffer for _, st := range cacheStatus { fmt.Fprintf(&buf, "%v%v%v%v\n", st.Cell, st.Target.Keyspace, st.Target.Shard, st.Target.TabletTyp...
go
func (hc *HealthCheckImpl) stateChecksum() int64 { // CacheStatus is sorted so this should be stable across vtgates cacheStatus := hc.CacheStatus() var buf bytes.Buffer for _, st := range cacheStatus { fmt.Fprintf(&buf, "%v%v%v%v\n", st.Cell, st.Target.Keyspace, st.Target.Shard, st.Target.TabletTyp...
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// stateChecksum returns a crc32 checksum of the healthcheck state
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/discovery/healthcheck.go#L422-L441
train
vitessio/vitess
go/vt/discovery/healthcheck.go
updateHealth
func (hc *HealthCheckImpl) updateHealth(ts *TabletStats, conn queryservice.QueryService) { // Unconditionally send the received update at the end. defer func() { if hc.listener != nil { hc.listener.StatsUpdate(ts) } }() hc.mu.Lock() th, ok := hc.addrToHealth[ts.Key] if !ok { // This can happen on delete...
go
func (hc *HealthCheckImpl) updateHealth(ts *TabletStats, conn queryservice.QueryService) { // Unconditionally send the received update at the end. defer func() { if hc.listener != nil { hc.listener.StatsUpdate(ts) } }() hc.mu.Lock() th, ok := hc.addrToHealth[ts.Key] if !ok { // This can happen on delete...
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// updateHealth updates the tabletHealth record and transmits the tablet stats // to the listener.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/discovery/healthcheck.go#L445-L483
train
vitessio/vitess
go/vt/discovery/healthcheck.go
checkConn
func (hc *HealthCheckImpl) checkConn(hcc *healthCheckConn, name string) { defer hc.connsWG.Done() defer hc.finalizeConn(hcc) // Initial notification for downstream about the tablet existence. hc.updateHealth(hcc.tabletStats.Copy(), hcc.conn) hc.initialUpdatesWG.Done() retryDelay := hc.retryDelay for { stream...
go
func (hc *HealthCheckImpl) checkConn(hcc *healthCheckConn, name string) { defer hc.connsWG.Done() defer hc.finalizeConn(hcc) // Initial notification for downstream about the tablet existence. hc.updateHealth(hcc.tabletStats.Copy(), hcc.conn) hc.initialUpdatesWG.Done() retryDelay := hc.retryDelay for { stream...
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// checkConn performs health checking on the given tablet.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/discovery/healthcheck.go#L506-L583
train
vitessio/vitess
go/vt/discovery/healthcheck.go
setServingState
func (hcc *healthCheckConn) setServingState(serving bool, reason string) { if !hcc.loggedServingState || (serving != hcc.tabletStats.Serving) { // Emit the log from a separate goroutine to avoid holding // the hcc lock while logging is happening go log.Infof("HealthCheckUpdate(Serving State): %v, tablet: %v serv...
go
func (hcc *healthCheckConn) setServingState(serving bool, reason string) { if !hcc.loggedServingState || (serving != hcc.tabletStats.Serving) { // Emit the log from a separate goroutine to avoid holding // the hcc lock while logging is happening go log.Infof("HealthCheckUpdate(Serving State): %v, tablet: %v serv...
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// setServingState sets the tablet state to the given value. // // If the state changes, it logs the change so that failures // from the health check connection are logged the first time, // but don't continue to log if the connection stays down. // // hcc.mu must be locked before calling this function
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/discovery/healthcheck.go#L592-L609
train
vitessio/vitess
go/vt/discovery/healthcheck.go
stream
func (hcc *healthCheckConn) stream(ctx context.Context, hc *HealthCheckImpl, callback func(*querypb.StreamHealthResponse) error) { if hcc.conn == nil { conn, err := tabletconn.GetDialer()(hcc.tabletStats.Tablet, grpcclient.FailFast(true)) if err != nil { hcc.tabletStats.LastError = err return } hcc.conn ...
go
func (hcc *healthCheckConn) stream(ctx context.Context, hc *HealthCheckImpl, callback func(*querypb.StreamHealthResponse) error) { if hcc.conn == nil { conn, err := tabletconn.GetDialer()(hcc.tabletStats.Tablet, grpcclient.FailFast(true)) if err != nil { hcc.tabletStats.LastError = err return } hcc.conn ...
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// stream streams healthcheck responses to callback.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/discovery/healthcheck.go#L612-L631
train
vitessio/vitess
go/vt/discovery/healthcheck.go
processResponse
func (hcc *healthCheckConn) processResponse(hc *HealthCheckImpl, shr *querypb.StreamHealthResponse) error { select { case <-hcc.ctx.Done(): return hcc.ctx.Err() default: } // Check for invalid data, better than panicking. if shr.Target == nil || shr.RealtimeStats == nil { return fmt.Errorf("health stats is n...
go
func (hcc *healthCheckConn) processResponse(hc *HealthCheckImpl, shr *querypb.StreamHealthResponse) error { select { case <-hcc.ctx.Done(): return hcc.ctx.Err() default: } // Check for invalid data, better than panicking. if shr.Target == nil || shr.RealtimeStats == nil { return fmt.Errorf("health stats is n...
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// processResponse reads one health check response, and notifies HealthCheckStatsListener.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/discovery/healthcheck.go#L634-L680
train
vitessio/vitess
go/vt/discovery/healthcheck.go
ReplaceTablet
func (hc *HealthCheckImpl) ReplaceTablet(old, new *topodatapb.Tablet, name string) { go func() { hc.deleteConn(old) hc.AddTablet(new, name) }() }
go
func (hc *HealthCheckImpl) ReplaceTablet(old, new *topodatapb.Tablet, name string) { go func() { hc.deleteConn(old) hc.AddTablet(new, name) }() }
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// ReplaceTablet removes the old tablet and adds the new tablet.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/discovery/healthcheck.go#L759-L764
train
vitessio/vitess
go/vt/discovery/healthcheck.go
StatusAsHTML
func (tcs *TabletsCacheStatus) StatusAsHTML() template.HTML { tLinks := make([]string, 0, 1) if tcs.TabletsStats != nil { sort.Sort(tcs.TabletsStats) } for _, ts := range tcs.TabletsStats { color := "green" extra := "" if ts.LastError != nil { color = "red" extra = fmt.Sprintf(" (%v)", ts.LastError) ...
go
func (tcs *TabletsCacheStatus) StatusAsHTML() template.HTML { tLinks := make([]string, 0, 1) if tcs.TabletsStats != nil { sort.Sort(tcs.TabletsStats) } for _, ts := range tcs.TabletsStats { color := "green" extra := "" if ts.LastError != nil { color = "red" extra = fmt.Sprintf(" (%v)", ts.LastError) ...
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// StatusAsHTML returns an HTML version of the status.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/discovery/healthcheck.go#L818-L847
train
vitessio/vitess
go/vt/discovery/healthcheck.go
CacheStatus
func (hc *HealthCheckImpl) CacheStatus() TabletsCacheStatusList { tcsMap := hc.cacheStatusMap() tcsl := make(TabletsCacheStatusList, 0, len(tcsMap)) for _, tcs := range tcsMap { tcsl = append(tcsl, tcs) } sort.Sort(tcsl) return tcsl }
go
func (hc *HealthCheckImpl) CacheStatus() TabletsCacheStatusList { tcsMap := hc.cacheStatusMap() tcsl := make(TabletsCacheStatusList, 0, len(tcsMap)) for _, tcs := range tcsMap { tcsl = append(tcsl, tcs) } sort.Sort(tcsl) return tcsl }
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// CacheStatus returns a displayable version of the cache.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/discovery/healthcheck.go#L869-L877
train
vitessio/vitess
go/vt/discovery/healthcheck.go
TabletToMapKey
func TabletToMapKey(tablet *topodatapb.Tablet) string { parts := make([]string, 0, 1) for name, port := range tablet.PortMap { parts = append(parts, netutil.JoinHostPort(name, port)) } sort.Strings(parts) parts = append([]string{tablet.Hostname}, parts...) return strings.Join(parts, ",") }
go
func TabletToMapKey(tablet *topodatapb.Tablet) string { parts := make([]string, 0, 1) for name, port := range tablet.PortMap { parts = append(parts, netutil.JoinHostPort(name, port)) } sort.Strings(parts) parts = append([]string{tablet.Hostname}, parts...) return strings.Join(parts, ",") }
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// TabletToMapKey creates a key to the map from tablet's host and ports. // It should only be used in discovery and related module.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/discovery/healthcheck.go#L922-L930
train
vitessio/vitess
go/vt/vterrors/grpc.go
CodeToLegacyErrorCode
func CodeToLegacyErrorCode(code vtrpcpb.Code) vtrpcpb.LegacyErrorCode { switch code { case vtrpcpb.Code_OK: return vtrpcpb.LegacyErrorCode_SUCCESS_LEGACY case vtrpcpb.Code_CANCELED: return vtrpcpb.LegacyErrorCode_CANCELLED_LEGACY case vtrpcpb.Code_UNKNOWN: return vtrpcpb.LegacyErrorCode_UNKNOWN_ERROR_LEGACY ...
go
func CodeToLegacyErrorCode(code vtrpcpb.Code) vtrpcpb.LegacyErrorCode { switch code { case vtrpcpb.Code_OK: return vtrpcpb.LegacyErrorCode_SUCCESS_LEGACY case vtrpcpb.Code_CANCELED: return vtrpcpb.LegacyErrorCode_CANCELLED_LEGACY case vtrpcpb.Code_UNKNOWN: return vtrpcpb.LegacyErrorCode_UNKNOWN_ERROR_LEGACY ...
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// This file contains functions to convert errors to and from gRPC codes. // Use these methods to return an error through gRPC and still // retain its code. // CodeToLegacyErrorCode maps a vtrpcpb.Code to a vtrpcpb.LegacyErrorCode.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vterrors/grpc.go#L34-L66
train
vitessio/vitess
go/vt/vterrors/grpc.go
truncateError
func truncateError(err error) string { // For more details see: https://github.com/grpc/grpc-go/issues/443 // The gRPC spec says "Clients may limit the size of Response-Headers, // Trailers, and Trailers-Only, with a default of 8 KiB each suggested." // Therefore, we assume 8 KiB minus some headroom. GRPCErrorLimi...
go
func truncateError(err error) string { // For more details see: https://github.com/grpc/grpc-go/issues/443 // The gRPC spec says "Clients may limit the size of Response-Headers, // Trailers, and Trailers-Only, with a default of 8 KiB each suggested." // Therefore, we assume 8 KiB minus some headroom. GRPCErrorLimi...
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// truncateError shortens errors because gRPC has a size restriction on them.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vterrors/grpc.go#L104-L116
train
vitessio/vitess
go/vt/vterrors/grpc.go
ToGRPC
func ToGRPC(err error) error { if err == nil { return nil } return status.Errorf(codes.Code(Code(err)), "%v", truncateError(err)) }
go
func ToGRPC(err error) error { if err == nil { return nil } return status.Errorf(codes.Code(Code(err)), "%v", truncateError(err)) }
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// ToGRPC returns an error as a gRPC error, with the appropriate error code.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vterrors/grpc.go#L119-L124
train
vitessio/vitess
go/vt/vterrors/grpc.go
FromGRPC
func FromGRPC(err error) error { if err == nil { return nil } if err == io.EOF { // Do not wrap io.EOF because we compare against it for finished streams. return err } code := codes.Unknown if s, ok := status.FromError(err); ok { code = s.Code() } return New(vtrpcpb.Code(code), err.Error()) }
go
func FromGRPC(err error) error { if err == nil { return nil } if err == io.EOF { // Do not wrap io.EOF because we compare against it for finished streams. return err } code := codes.Unknown if s, ok := status.FromError(err); ok { code = s.Code() } return New(vtrpcpb.Code(code), err.Error()) }
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// FromGRPC returns a gRPC error as a vtError, translating between error codes. // However, there are a few errors which are not translated and passed as they // are. For example, io.EOF since our code base checks for this error to find // out that a stream has finished.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vterrors/grpc.go#L130-L143
train
vitessio/vitess
go/vt/worker/legacy_row_splitter.go
NewRowSplitter
func NewRowSplitter(shardInfos []*topo.ShardInfo, keyResolver keyspaceIDResolver) *RowSplitter { result := &RowSplitter{ KeyResolver: keyResolver, KeyRanges: make([]*topodatapb.KeyRange, len(shardInfos)), } for i, si := range shardInfos { result.KeyRanges[i] = si.KeyRange } return result }
go
func NewRowSplitter(shardInfos []*topo.ShardInfo, keyResolver keyspaceIDResolver) *RowSplitter { result := &RowSplitter{ KeyResolver: keyResolver, KeyRanges: make([]*topodatapb.KeyRange, len(shardInfos)), } for i, si := range shardInfos { result.KeyRanges[i] = si.KeyRange } return result }
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// NewRowSplitter returns a new row splitter for the given shard distribution.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/worker/legacy_row_splitter.go#L39-L48
train
vitessio/vitess
go/vt/worker/legacy_row_splitter.go
StartSplit
func (rs *RowSplitter) StartSplit() [][][]sqltypes.Value { return make([][][]sqltypes.Value, len(rs.KeyRanges)) }
go
func (rs *RowSplitter) StartSplit() [][][]sqltypes.Value { return make([][][]sqltypes.Value, len(rs.KeyRanges)) }
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// StartSplit starts a new split. Split can then be called multiple times.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/worker/legacy_row_splitter.go#L51-L53
train
vitessio/vitess
go/vt/worker/legacy_row_splitter.go
Split
func (rs *RowSplitter) Split(result [][][]sqltypes.Value, rows [][]sqltypes.Value) error { for _, row := range rows { k, err := rs.KeyResolver.keyspaceID(row) if err != nil { return err } for i, kr := range rs.KeyRanges { if key.KeyRangeContains(kr, k) { result[i] = append(result[i], row) break ...
go
func (rs *RowSplitter) Split(result [][][]sqltypes.Value, rows [][]sqltypes.Value) error { for _, row := range rows { k, err := rs.KeyResolver.keyspaceID(row) if err != nil { return err } for i, kr := range rs.KeyRanges { if key.KeyRangeContains(kr, k) { result[i] = append(result[i], row) break ...
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// Split will split the rows into subset for each distribution
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/worker/legacy_row_splitter.go#L56-L70
train
vitessio/vitess
go/vt/worker/legacy_row_splitter.go
Send
func (rs *RowSplitter) Send(fields []*querypb.Field, result [][][]sqltypes.Value, baseCmds []string, insertChannels []chan string, abort <-chan struct{}) bool { for i, c := range insertChannels { // one of the chunks might be empty, so no need // to send data in that case if len(result[i]) > 0 { cmd := baseCm...
go
func (rs *RowSplitter) Send(fields []*querypb.Field, result [][][]sqltypes.Value, baseCmds []string, insertChannels []chan string, abort <-chan struct{}) bool { for i, c := range insertChannels { // one of the chunks might be empty, so no need // to send data in that case if len(result[i]) > 0 { cmd := baseCm...
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// Send will send the rows to the list of channels. Returns true if aborted.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/worker/legacy_row_splitter.go#L73-L88
train
vitessio/vitess
go/vt/vttablet/heartbeat/writer.go
NewWriter
func NewWriter(checker connpool.MySQLChecker, alias topodatapb.TabletAlias, config tabletenv.TabletConfig) *Writer { if !config.HeartbeatEnable { return &Writer{} } return &Writer{ enabled: true, tabletAlias: alias, now: time.Now, interval: config.HeartbeatInterval, ticks: timer.NewT...
go
func NewWriter(checker connpool.MySQLChecker, alias topodatapb.TabletAlias, config tabletenv.TabletConfig) *Writer { if !config.HeartbeatEnable { return &Writer{} } return &Writer{ enabled: true, tabletAlias: alias, now: time.Now, interval: config.HeartbeatInterval, ticks: timer.NewT...
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// NewWriter creates a new Writer.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/heartbeat/writer.go#L77-L90
train
vitessio/vitess
go/vt/vttablet/heartbeat/writer.go
Init
func (w *Writer) Init(target querypb.Target) error { if !w.enabled { return nil } w.mu.Lock() defer w.mu.Unlock() log.Info("Initializing heartbeat table.") w.dbName = sqlescape.EscapeID(w.dbconfigs.SidecarDBName.Get()) w.keyspaceShard = fmt.Sprintf("%s:%s", target.Keyspace, target.Shard) err := w.initializeTa...
go
func (w *Writer) Init(target querypb.Target) error { if !w.enabled { return nil } w.mu.Lock() defer w.mu.Unlock() log.Info("Initializing heartbeat table.") w.dbName = sqlescape.EscapeID(w.dbconfigs.SidecarDBName.Get()) w.keyspaceShard = fmt.Sprintf("%s:%s", target.Keyspace, target.Shard) err := w.initializeTa...
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// Init runs at tablet startup and last minute initialization of db settings, and // creates the necessary tables for heartbeat.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/heartbeat/writer.go#L99-L115
train
vitessio/vitess
go/vt/vttablet/heartbeat/writer.go
Open
func (w *Writer) Open() { if !w.enabled { return } w.mu.Lock() defer w.mu.Unlock() if w.isOpen { return } log.Info("Beginning heartbeat writes") w.pool.Open(w.dbconfigs.AppWithDB(), w.dbconfigs.DbaWithDB(), w.dbconfigs.AppDebugWithDB()) w.ticks.Start(func() { w.writeHeartbeat() }) w.isOpen = true }
go
func (w *Writer) Open() { if !w.enabled { return } w.mu.Lock() defer w.mu.Unlock() if w.isOpen { return } log.Info("Beginning heartbeat writes") w.pool.Open(w.dbconfigs.AppWithDB(), w.dbconfigs.DbaWithDB(), w.dbconfigs.AppDebugWithDB()) w.ticks.Start(func() { w.writeHeartbeat() }) w.isOpen = true }
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// Open sets up the Writer's db connection and launches the ticker // responsible for periodically writing to the heartbeat table. // Open may be called multiple times, as long as it was closed since // last invocation.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/heartbeat/writer.go#L121-L134
train
vitessio/vitess
go/vt/vttablet/heartbeat/writer.go
Close
func (w *Writer) Close() { if !w.enabled { return } w.mu.Lock() defer w.mu.Unlock() if !w.isOpen { return } w.ticks.Stop() w.pool.Close() log.Info("Stopped heartbeat writes.") w.isOpen = false }
go
func (w *Writer) Close() { if !w.enabled { return } w.mu.Lock() defer w.mu.Unlock() if !w.isOpen { return } w.ticks.Stop() w.pool.Close() log.Info("Stopped heartbeat writes.") w.isOpen = false }
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// Close closes the Writer's db connection and stops the periodic ticker. A writer // object can be re-opened after closing.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/heartbeat/writer.go#L138-L151
train
vitessio/vitess
go/vt/vttablet/heartbeat/writer.go
writeHeartbeat
func (w *Writer) writeHeartbeat() { defer tabletenv.LogError() ctx, cancel := context.WithDeadline(context.Background(), w.now().Add(w.interval)) defer cancel() update, err := w.bindHeartbeatVars(sqlUpdateHeartbeat) if err != nil { w.recordError(err) return } err = w.exec(ctx, update) if err != nil { w.re...
go
func (w *Writer) writeHeartbeat() { defer tabletenv.LogError() ctx, cancel := context.WithDeadline(context.Background(), w.now().Add(w.interval)) defer cancel() update, err := w.bindHeartbeatVars(sqlUpdateHeartbeat) if err != nil { w.recordError(err) return } err = w.exec(ctx, update) if err != nil { w.re...
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// writeHeartbeat updates the heartbeat row for this tablet with the current time in nanoseconds.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/heartbeat/writer.go#L204-L219
train
vitessio/vitess
go/vt/workflow/topovalidator/validator.go
Run
func (w *Workflow) Run(ctx context.Context, manager *workflow.Manager, wi *topo.WorkflowInfo) error { w.uiUpdate() w.rootUINode.Display = workflow.NodeDisplayDeterminate w.rootUINode.BroadcastChanges(false /* updateChildren */) // Run all the validators. They may add fixers. for name, v := range validators { w....
go
func (w *Workflow) Run(ctx context.Context, manager *workflow.Manager, wi *topo.WorkflowInfo) error { w.uiUpdate() w.rootUINode.Display = workflow.NodeDisplayDeterminate w.rootUINode.BroadcastChanges(false /* updateChildren */) // Run all the validators. They may add fixers. for name, v := range validators { w....
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// Run is part of the workflow.Workflow interface.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/workflow/topovalidator/validator.go#L120-L175
train
vitessio/vitess
go/vt/workflow/topovalidator/validator.go
uiUpdate
func (w *Workflow) uiUpdate() { c := len(validators) w.rootUINode.Progress = 100 * w.runCount / c w.rootUINode.ProgressMessage = fmt.Sprintf("%v/%v", w.runCount, c) w.rootUINode.Log = w.logger.String() }
go
func (w *Workflow) uiUpdate() { c := len(validators) w.rootUINode.Progress = 100 * w.runCount / c w.rootUINode.ProgressMessage = fmt.Sprintf("%v/%v", w.runCount, c) w.rootUINode.Log = w.logger.String() }
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// uiUpdate updates the computed parts of the Node, based on the // current state.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/workflow/topovalidator/validator.go#L179-L184
train
vitessio/vitess
go/vt/vtgate/engine/primitive.go
AddStats
func (p *Plan) AddStats(execCount uint64, execTime time.Duration, shardQueries, rows, errors uint64) { p.mu.Lock() p.ExecCount += execCount p.ExecTime += execTime p.ShardQueries += shardQueries p.Rows += rows p.Errors += errors p.mu.Unlock() }
go
func (p *Plan) AddStats(execCount uint64, execTime time.Duration, shardQueries, rows, errors uint64) { p.mu.Lock() p.ExecCount += execCount p.ExecTime += execTime p.ShardQueries += shardQueries p.Rows += rows p.Errors += errors p.mu.Unlock() }
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// AddStats updates the plan execution statistics
[ "AddStats", "updates", "the", "plan", "execution", "statistics" ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/engine/primitive.go#L94-L102
train
vitessio/vitess
go/vt/vtgate/planbuilder/select.go
buildSelectPlan
func buildSelectPlan(sel *sqlparser.Select, vschema ContextVSchema) (primitive engine.Primitive, err error) { pb := newPrimitiveBuilder(vschema, newJointab(sqlparser.GetBindvars(sel))) if err := pb.processSelect(sel, nil); err != nil { return nil, err } if err := pb.bldr.Wireup(pb.bldr, pb.jt); err != nil { ret...
go
func buildSelectPlan(sel *sqlparser.Select, vschema ContextVSchema) (primitive engine.Primitive, err error) { pb := newPrimitiveBuilder(vschema, newJointab(sqlparser.GetBindvars(sel))) if err := pb.processSelect(sel, nil); err != nil { return nil, err } if err := pb.bldr.Wireup(pb.bldr, pb.jt); err != nil { ret...
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// buildSelectPlan is the new function to build a Select plan.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/planbuilder/select.go#L28-L37
train
vitessio/vitess
go/vt/vtgate/planbuilder/select.go
pushFilter
func (pb *primitiveBuilder) pushFilter(boolExpr sqlparser.Expr, whereType string) error { filters := splitAndExpression(nil, boolExpr) reorderBySubquery(filters) for _, filter := range filters { pullouts, origin, expr, err := pb.findOrigin(filter) if err != nil { return err } // The returned expression ma...
go
func (pb *primitiveBuilder) pushFilter(boolExpr sqlparser.Expr, whereType string) error { filters := splitAndExpression(nil, boolExpr) reorderBySubquery(filters) for _, filter := range filters { pullouts, origin, expr, err := pb.findOrigin(filter) if err != nil { return err } // The returned expression ma...
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// pushFilter identifies the target route for the specified bool expr, // pushes it down, and updates the route info if the new constraint improves // the primitive. This function can push to a WHERE or HAVING clause.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/planbuilder/select.go#L127-L144
train
vitessio/vitess
go/vt/vtgate/planbuilder/select.go
reorderBySubquery
func reorderBySubquery(filters []sqlparser.Expr) { max := len(filters) for i := 0; i < max; i++ { if !hasSubquery(filters[i]) { continue } saved := filters[i] for j := i; j < len(filters)-1; j++ { filters[j] = filters[j+1] } filters[len(filters)-1] = saved max-- } }
go
func reorderBySubquery(filters []sqlparser.Expr) { max := len(filters) for i := 0; i < max; i++ { if !hasSubquery(filters[i]) { continue } saved := filters[i] for j := i; j < len(filters)-1; j++ { filters[j] = filters[j+1] } filters[len(filters)-1] = saved max-- } }
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// reorderBySubquery reorders the filters by pushing subqueries // to the end. This allows the non-subquery filters to be // pushed first because they can potentially improve the routing // plan, which can later allow a filter containing a subquery // to successfully merge with the corresponding route.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/planbuilder/select.go#L151-L164
train
vitessio/vitess
go/vt/vtgate/planbuilder/select.go
addPullouts
func (pb *primitiveBuilder) addPullouts(pullouts []*pulloutSubquery) { for _, pullout := range pullouts { pullout.setUnderlying(pb.bldr) pb.bldr = pullout } }
go
func (pb *primitiveBuilder) addPullouts(pullouts []*pulloutSubquery) { for _, pullout := range pullouts { pullout.setUnderlying(pb.bldr) pb.bldr = pullout } }
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// addPullouts adds the pullout subqueries to the primitiveBuilder.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/planbuilder/select.go#L167-L172
train
vitessio/vitess
go/vt/vtgate/planbuilder/select.go
pushSelectExprs
func (pb *primitiveBuilder) pushSelectExprs(sel *sqlparser.Select, grouper groupByHandler) error { resultColumns, err := pb.pushSelectRoutes(sel.SelectExprs) if err != nil { return err } pb.st.SetResultColumns(resultColumns) return pb.pushGroupBy(sel, grouper) }
go
func (pb *primitiveBuilder) pushSelectExprs(sel *sqlparser.Select, grouper groupByHandler) error { resultColumns, err := pb.pushSelectRoutes(sel.SelectExprs) if err != nil { return err } pb.st.SetResultColumns(resultColumns) return pb.pushGroupBy(sel, grouper) }
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// pushSelectExprs identifies the target route for the // select expressions and pushes them down.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/planbuilder/select.go#L176-L183
train
vitessio/vitess
go/vt/vtgate/planbuilder/select.go
pushSelectRoutes
func (pb *primitiveBuilder) pushSelectRoutes(selectExprs sqlparser.SelectExprs) ([]*resultColumn, error) { resultColumns := make([]*resultColumn, 0, len(selectExprs)) for _, node := range selectExprs { switch node := node.(type) { case *sqlparser.AliasedExpr: pullouts, origin, expr, err := pb.findOrigin(node.E...
go
func (pb *primitiveBuilder) pushSelectRoutes(selectExprs sqlparser.SelectExprs) ([]*resultColumn, error) { resultColumns := make([]*resultColumn, 0, len(selectExprs)) for _, node := range selectExprs { switch node := node.(type) { case *sqlparser.AliasedExpr: pullouts, origin, expr, err := pb.findOrigin(node.E...
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// pusheSelectRoutes is a convenience function that pushes all the select // expressions and returns the list of resultColumns generated for it.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/planbuilder/select.go#L187-L243
train
vitessio/vitess
go/mysql/client.go
Ping
func (c *Conn) Ping() error { // This is a new command, need to reset the sequence. c.sequence = 0 if err := c.writePacket([]byte{ComPing}); err != nil { return NewSQLError(CRServerGone, SSUnknownSQLState, "%v", err) } data, err := c.readEphemeralPacket() if err != nil { return NewSQLError(CRServerLost, SSUn...
go
func (c *Conn) Ping() error { // This is a new command, need to reset the sequence. c.sequence = 0 if err := c.writePacket([]byte{ComPing}); err != nil { return NewSQLError(CRServerGone, SSUnknownSQLState, "%v", err) } data, err := c.readEphemeralPacket() if err != nil { return NewSQLError(CRServerLost, SSUn...
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// Ping implements mysql ping command.
[ "Ping", "implements", "mysql", "ping", "command", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/client.go#L172-L191
train
vitessio/vitess
go/mysql/client.go
writeSSLRequest
func (c *Conn) writeSSLRequest(capabilities uint32, characterSet uint8, params *ConnParams) error { // Build our flags, with CapabilityClientSSL. var flags uint32 = CapabilityClientLongPassword | CapabilityClientLongFlag | CapabilityClientProtocol41 | CapabilityClientTransactions | CapabilityClientSecureConne...
go
func (c *Conn) writeSSLRequest(capabilities uint32, characterSet uint8, params *ConnParams) error { // Build our flags, with CapabilityClientSSL. var flags uint32 = CapabilityClientLongPassword | CapabilityClientLongFlag | CapabilityClientProtocol41 | CapabilityClientTransactions | CapabilityClientSecureConne...
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// writeSSLRequest writes the SSLRequest packet. It's just a truncated // HandshakeResponse41.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/client.go#L495-L541
train
vitessio/vitess
go/mysql/client.go
writeHandshakeResponse41
func (c *Conn) writeHandshakeResponse41(capabilities uint32, scrambledPassword []byte, characterSet uint8, params *ConnParams) error { // Build our flags. var flags uint32 = CapabilityClientLongPassword | CapabilityClientLongFlag | CapabilityClientProtocol41 | CapabilityClientTransactions | CapabilityClientSe...
go
func (c *Conn) writeHandshakeResponse41(capabilities uint32, scrambledPassword []byte, characterSet uint8, params *ConnParams) error { // Build our flags. var flags uint32 = CapabilityClientLongPassword | CapabilityClientLongFlag | CapabilityClientProtocol41 | CapabilityClientTransactions | CapabilityClientSe...
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// writeHandshakeResponse41 writes the handshake response. // Returns a SQLError.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/client.go#L545-L633
train
vitessio/vitess
go/mysql/client.go
writeClearTextPassword
func (c *Conn) writeClearTextPassword(params *ConnParams) error { length := len(params.Pass) + 1 data := c.startEphemeralPacket(length) pos := 0 pos = writeNullString(data, pos, params.Pass) // Sanity check. if pos != len(data) { return vterrors.Errorf(vtrpc.Code_INTERNAL, "error building ClearTextPassword pack...
go
func (c *Conn) writeClearTextPassword(params *ConnParams) error { length := len(params.Pass) + 1 data := c.startEphemeralPacket(length) pos := 0 pos = writeNullString(data, pos, params.Pass) // Sanity check. if pos != len(data) { return vterrors.Errorf(vtrpc.Code_INTERNAL, "error building ClearTextPassword pack...
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// writeClearTextPassword writes the clear text password. // Returns a SQLError.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/client.go#L647-L657
train
vitessio/vitess
go/vt/callinfo/plugin_grpc.go
GRPCCallInfo
func GRPCCallInfo(ctx context.Context) context.Context { method, ok := grpc.Method(ctx) if !ok { return ctx } callinfo := &gRPCCallInfoImpl{ method: method, } peer, ok := peer.FromContext(ctx) if ok { callinfo.remoteAddr = peer.Addr.String() } return NewContext(ctx, callinfo) }
go
func GRPCCallInfo(ctx context.Context) context.Context { method, ok := grpc.Method(ctx) if !ok { return ctx } callinfo := &gRPCCallInfoImpl{ method: method, } peer, ok := peer.FromContext(ctx) if ok { callinfo.remoteAddr = peer.Addr.String() } return NewContext(ctx, callinfo) }
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// GRPCCallInfo returns an augmented context with a CallInfo structure, // only for gRPC contexts.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/callinfo/plugin_grpc.go#L32-L47
train
vitessio/vitess
go/vt/mysqlctl/grpcmysqlctlclient/client.go
Start
func (c *client) Start(ctx context.Context, mysqldArgs ...string) error { return c.withRetry(ctx, func() error { _, err := c.c.Start(ctx, &mysqlctlpb.StartRequest{ MysqldArgs: mysqldArgs, }) return err }) }
go
func (c *client) Start(ctx context.Context, mysqldArgs ...string) error { return c.withRetry(ctx, func() error { _, err := c.c.Start(ctx, &mysqlctlpb.StartRequest{ MysqldArgs: mysqldArgs, }) return err }) }
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// Start is part of the MysqlctlClient interface.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/grpcmysqlctlclient/client.go#L60-L67
train
vitessio/vitess
go/vt/mysqlctl/grpcmysqlctlclient/client.go
Shutdown
func (c *client) Shutdown(ctx context.Context, waitForMysqld bool) error { return c.withRetry(ctx, func() error { _, err := c.c.Shutdown(ctx, &mysqlctlpb.ShutdownRequest{ WaitForMysqld: waitForMysqld, }) return err }) }
go
func (c *client) Shutdown(ctx context.Context, waitForMysqld bool) error { return c.withRetry(ctx, func() error { _, err := c.c.Shutdown(ctx, &mysqlctlpb.ShutdownRequest{ WaitForMysqld: waitForMysqld, }) return err }) }
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// Shutdown is part of the MysqlctlClient interface.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/grpcmysqlctlclient/client.go#L70-L77
train
vitessio/vitess
go/vt/mysqlctl/grpcmysqlctlclient/client.go
RunMysqlUpgrade
func (c *client) RunMysqlUpgrade(ctx context.Context) error { return c.withRetry(ctx, func() error { _, err := c.c.RunMysqlUpgrade(ctx, &mysqlctlpb.RunMysqlUpgradeRequest{}) return err }) }
go
func (c *client) RunMysqlUpgrade(ctx context.Context) error { return c.withRetry(ctx, func() error { _, err := c.c.RunMysqlUpgrade(ctx, &mysqlctlpb.RunMysqlUpgradeRequest{}) return err }) }
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// RunMysqlUpgrade is part of the MysqlctlClient interface.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/grpcmysqlctlclient/client.go#L80-L85
train
vitessio/vitess
go/vt/mysqlctl/grpcmysqlctlclient/client.go
ReinitConfig
func (c *client) ReinitConfig(ctx context.Context) error { return c.withRetry(ctx, func() error { _, err := c.c.ReinitConfig(ctx, &mysqlctlpb.ReinitConfigRequest{}) return err }) }
go
func (c *client) ReinitConfig(ctx context.Context) error { return c.withRetry(ctx, func() error { _, err := c.c.ReinitConfig(ctx, &mysqlctlpb.ReinitConfigRequest{}) return err }) }
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// ReinitConfig is part of the MysqlctlClient interface.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/grpcmysqlctlclient/client.go#L88-L93
train
vitessio/vitess
go/vt/mysqlctl/grpcmysqlctlclient/client.go
RefreshConfig
func (c *client) RefreshConfig(ctx context.Context) error { return c.withRetry(ctx, func() error { _, err := c.c.RefreshConfig(ctx, &mysqlctlpb.RefreshConfigRequest{}) return err }) }
go
func (c *client) RefreshConfig(ctx context.Context) error { return c.withRetry(ctx, func() error { _, err := c.c.RefreshConfig(ctx, &mysqlctlpb.RefreshConfigRequest{}) return err }) }
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// RefreshConfig is part of the MysqlctlClient interface.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/grpcmysqlctlclient/client.go#L96-L101
train
vitessio/vitess
go/vt/topo/helpers/compare.go
CompareKeyspaces
func CompareKeyspaces(ctx context.Context, fromTS, toTS *topo.Server) error { keyspaces, err := fromTS.GetKeyspaces(ctx) if err != nil { return vterrors.Wrapf(err, "GetKeyspace(%v)", keyspaces) } for _, keyspace := range keyspaces { fromKs, err := fromTS.GetKeyspace(ctx, keyspace) if err != nil { return ...
go
func CompareKeyspaces(ctx context.Context, fromTS, toTS *topo.Server) error { keyspaces, err := fromTS.GetKeyspaces(ctx) if err != nil { return vterrors.Wrapf(err, "GetKeyspace(%v)", keyspaces) } for _, keyspace := range keyspaces { fromKs, err := fromTS.GetKeyspace(ctx, keyspace) if err != nil { return ...
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// CompareKeyspaces will compare the keyspaces in the destination topo.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topo/helpers/compare.go#L32-L79
train
vitessio/vitess
go/vt/topo/helpers/compare.go
CompareShards
func CompareShards(ctx context.Context, fromTS, toTS *topo.Server) error { keyspaces, err := fromTS.GetKeyspaces(ctx) if err != nil { return vterrors.Wrapf(err, "fromTS.GetKeyspaces") } for _, keyspace := range keyspaces { shards, err := fromTS.GetShardNames(ctx, keyspace) if err != nil { return vterrors....
go
func CompareShards(ctx context.Context, fromTS, toTS *topo.Server) error { keyspaces, err := fromTS.GetKeyspaces(ctx) if err != nil { return vterrors.Wrapf(err, "fromTS.GetKeyspaces") } for _, keyspace := range keyspaces { shards, err := fromTS.GetShardNames(ctx, keyspace) if err != nil { return vterrors....
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// CompareShards will compare the shards in the destination topo.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topo/helpers/compare.go#L82-L110
train
vitessio/vitess
go/vt/topo/helpers/compare.go
CompareTablets
func CompareTablets(ctx context.Context, fromTS, toTS *topo.Server) error { cells, err := fromTS.GetKnownCells(ctx) if err != nil { return vterrors.Wrapf(err, "fromTS.GetKnownCells") } for _, cell := range cells { tabletAliases, err := fromTS.GetTabletsByCell(ctx, cell) if err != nil { return vterrors.Wra...
go
func CompareTablets(ctx context.Context, fromTS, toTS *topo.Server) error { cells, err := fromTS.GetKnownCells(ctx) if err != nil { return vterrors.Wrapf(err, "fromTS.GetKnownCells") } for _, cell := range cells { tabletAliases, err := fromTS.GetTabletsByCell(ctx, cell) if err != nil { return vterrors.Wra...
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// CompareTablets will compare the tablets in the destination topo.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topo/helpers/compare.go#L113-L141
train
vitessio/vitess
go/vt/topo/helpers/compare.go
CompareShardReplications
func CompareShardReplications(ctx context.Context, fromTS, toTS *topo.Server) error { keyspaces, err := fromTS.GetKeyspaces(ctx) if err != nil { return vterrors.Wrapf(err, "fromTS.GetKeyspaces") } cells, err := fromTS.GetCellInfoNames(ctx) if err != nil { return vterrors.Wrap(err, "GetCellInfoNames()") } fo...
go
func CompareShardReplications(ctx context.Context, fromTS, toTS *topo.Server) error { keyspaces, err := fromTS.GetKeyspaces(ctx) if err != nil { return vterrors.Wrapf(err, "fromTS.GetKeyspaces") } cells, err := fromTS.GetCellInfoNames(ctx) if err != nil { return vterrors.Wrap(err, "GetCellInfoNames()") } fo...
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// CompareShardReplications will compare the ShardReplication objects in // the destination topo.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topo/helpers/compare.go#L145-L182
train
vitessio/vitess
go/vt/topo/helpers/compare.go
CompareRoutingRules
func CompareRoutingRules(ctx context.Context, fromTS, toTS *topo.Server) error { rrFrom, err := fromTS.GetRoutingRules(ctx) if err != nil { return vterrors.Wrapf(err, "GetKeyspace(from)") } rrTo, err := toTS.GetRoutingRules(ctx) if err != nil { return vterrors.Wrapf(err, "GetKeyspace(to)") } if !proto.Equal(...
go
func CompareRoutingRules(ctx context.Context, fromTS, toTS *topo.Server) error { rrFrom, err := fromTS.GetRoutingRules(ctx) if err != nil { return vterrors.Wrapf(err, "GetKeyspace(from)") } rrTo, err := toTS.GetRoutingRules(ctx) if err != nil { return vterrors.Wrapf(err, "GetKeyspace(to)") } if !proto.Equal(...
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// CompareRoutingRules will compare the routing rules in the destination topo.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topo/helpers/compare.go#L185-L198
train
vitessio/vitess
go/vt/vtctl/grpcvtctlserver/server.go
ExecuteVtctlCommand
func (s *VtctlServer) ExecuteVtctlCommand(args *vtctldatapb.ExecuteVtctlCommandRequest, stream vtctlservicepb.Vtctl_ExecuteVtctlCommandServer) (err error) { defer servenv.HandlePanic("vtctl", &err) // Create a logger, send the result back to the caller. // We may execute this in parallel (inside multiple go routine...
go
func (s *VtctlServer) ExecuteVtctlCommand(args *vtctldatapb.ExecuteVtctlCommandRequest, stream vtctlservicepb.Vtctl_ExecuteVtctlCommandServer) (err error) { defer servenv.HandlePanic("vtctl", &err) // Create a logger, send the result back to the caller. // We may execute this in parallel (inside multiple go routine...
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// ExecuteVtctlCommand is part of the vtctldatapb.VtctlServer interface
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtctl/grpcvtctlserver/server.go#L51-L78
train
vitessio/vitess
go/vt/vtctl/grpcvtctlserver/server.go
StartServer
func StartServer(s *grpc.Server, ts *topo.Server) { vtctlservicepb.RegisterVtctlServer(s, NewVtctlServer(ts)) }
go
func StartServer(s *grpc.Server, ts *topo.Server) { vtctlservicepb.RegisterVtctlServer(s, NewVtctlServer(ts)) }
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// StartServer registers the VtctlServer for RPCs
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtctl/grpcvtctlserver/server.go#L81-L83
train
vitessio/vitess
go/vt/vttablet/tabletserver/querylogz.go
querylogzHandler
func querylogzHandler(ch chan interface{}, w http.ResponseWriter, r *http.Request) { if err := acl.CheckAccessHTTP(r, acl.DEBUGGING); err != nil { acl.SendError(w, err) return } timeout, limit := parseTimeoutLimitParams(r) logz.StartHTMLTable(w) defer logz.EndHTMLTable(w) w.Write(querylogzHeader) tmr := tim...
go
func querylogzHandler(ch chan interface{}, w http.ResponseWriter, r *http.Request) { if err := acl.CheckAccessHTTP(r, acl.DEBUGGING); err != nil { acl.SendError(w, err) return } timeout, limit := parseTimeoutLimitParams(r) logz.StartHTMLTable(w) defer logz.EndHTMLTable(w) w.Write(querylogzHeader) tmr := tim...
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// querylogzHandler serves a human readable snapshot of the // current query log.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vttablet/tabletserver/querylogz.go#L98-L146
train
vitessio/vitess
go/vt/mysqlctl/backupengine.go
GetBackupEngine
func GetBackupEngine() (BackupEngine, error) { be, ok := BackupEngineMap[*backupEngineImplementation] if !ok { return nil, vterrors.New(vtrpc.Code_NOT_FOUND, "no registered implementation of BackupEngine") } return be, nil }
go
func GetBackupEngine() (BackupEngine, error) { be, ok := BackupEngineMap[*backupEngineImplementation] if !ok { return nil, vterrors.New(vtrpc.Code_NOT_FOUND, "no registered implementation of BackupEngine") } return be, nil }
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// GetBackupEngine returns the current BackupEngine implementation. // Should be called after flags have been initialized.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/backupengine.go#L46-L52
train
vitessio/vitess
go/mysql/slave_status.go
SlaveStatusToProto
func SlaveStatusToProto(s SlaveStatus) *replicationdatapb.Status { return &replicationdatapb.Status{ Position: EncodePosition(s.Position), SlaveIoRunning: s.SlaveIORunning, SlaveSqlRunning: s.SlaveSQLRunning, SecondsBehindMaster: uint32(s.SecondsBehindMaster), MasterHost: s.Maste...
go
func SlaveStatusToProto(s SlaveStatus) *replicationdatapb.Status { return &replicationdatapb.Status{ Position: EncodePosition(s.Position), SlaveIoRunning: s.SlaveIORunning, SlaveSqlRunning: s.SlaveSQLRunning, SecondsBehindMaster: uint32(s.SecondsBehindMaster), MasterHost: s.Maste...
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// SlaveStatusToProto translates a Status to proto3.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/slave_status.go#L42-L52
train
vitessio/vitess
go/mysql/slave_status.go
ProtoToSlaveStatus
func ProtoToSlaveStatus(s *replicationdatapb.Status) SlaveStatus { pos, err := DecodePosition(s.Position) if err != nil { panic(vterrors.Wrapf(err, "cannot decode Position")) } return SlaveStatus{ Position: pos, SlaveIORunning: s.SlaveIoRunning, SlaveSQLRunning: s.SlaveSqlRunning, Seco...
go
func ProtoToSlaveStatus(s *replicationdatapb.Status) SlaveStatus { pos, err := DecodePosition(s.Position) if err != nil { panic(vterrors.Wrapf(err, "cannot decode Position")) } return SlaveStatus{ Position: pos, SlaveIORunning: s.SlaveIoRunning, SlaveSQLRunning: s.SlaveSqlRunning, Seco...
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// ProtoToSlaveStatus translates a proto Status, or panics.
[ "ProtoToSlaveStatus", "translates", "a", "proto", "Status", "or", "panics", "." ]
d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/mysql/slave_status.go#L55-L69
train
vitessio/vitess
go/vt/topotools/split.go
ContainsShard
func (os *OverlappingShards) ContainsShard(shardName string) bool { for _, l := range os.Left { if l.ShardName() == shardName { return true } } for _, r := range os.Right { if r.ShardName() == shardName { return true } } return false }
go
func (os *OverlappingShards) ContainsShard(shardName string) bool { for _, l := range os.Left { if l.ShardName() == shardName { return true } } for _, r := range os.Right { if r.ShardName() == shardName { return true } } return false }
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// ContainsShard returns true if either Left or Right lists contain // the provided Shard.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topotools/split.go#L37-L49
train
vitessio/vitess
go/vt/topotools/split.go
OverlappingShardsForShard
func OverlappingShardsForShard(os []*OverlappingShards, shardName string) *OverlappingShards { for _, o := range os { if o.ContainsShard(shardName) { return o } } return nil }
go
func OverlappingShardsForShard(os []*OverlappingShards, shardName string) *OverlappingShards { for _, o := range os { if o.ContainsShard(shardName) { return o } } return nil }
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// OverlappingShardsForShard returns the OverlappingShards object // from the list that has he provided shard, or nil
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topotools/split.go#L53-L60
train
vitessio/vitess
go/vt/topotools/split.go
findOverlappingShards
func findOverlappingShards(shardMap map[string]*topo.ShardInfo) ([]*OverlappingShards, error) { var result []*OverlappingShards for len(shardMap) > 0 { var left []*topo.ShardInfo var right []*topo.ShardInfo // get the first value from the map, seed our left array with it var name string var si *topo.Shar...
go
func findOverlappingShards(shardMap map[string]*topo.ShardInfo) ([]*OverlappingShards, error) { var result []*OverlappingShards for len(shardMap) > 0 { var left []*topo.ShardInfo var right []*topo.ShardInfo // get the first value from the map, seed our left array with it var name string var si *topo.Shar...
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// findOverlappingShards does the work for FindOverlappingShards but // can be called on test data too.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topotools/split.go#L79-L164
train
vitessio/vitess
go/vt/topotools/split.go
findIntersectingShard
func findIntersectingShard(shardMap map[string]*topo.ShardInfo, sourceArray []*topo.ShardInfo) *topo.ShardInfo { for name, si := range shardMap { for _, sourceShardInfo := range sourceArray { if si.KeyRange == nil || sourceShardInfo.KeyRange == nil || key.KeyRangesIntersect(si.KeyRange, sourceShardInfo.KeyRange) ...
go
func findIntersectingShard(shardMap map[string]*topo.ShardInfo, sourceArray []*topo.ShardInfo) *topo.ShardInfo { for name, si := range shardMap { for _, sourceShardInfo := range sourceArray { if si.KeyRange == nil || sourceShardInfo.KeyRange == nil || key.KeyRangesIntersect(si.KeyRange, sourceShardInfo.KeyRange) ...
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// findIntersectingShard will go through the map and take the first // entry in there that intersect with the source array, remove it from // the map, and return it
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topotools/split.go#L169-L179
train
vitessio/vitess
go/vt/topotools/split.go
intersect
func intersect(si *topo.ShardInfo, allShards []*topo.ShardInfo) bool { for _, shard := range allShards { if key.KeyRangesIntersect(si.KeyRange, shard.KeyRange) { return true } } return false }
go
func intersect(si *topo.ShardInfo, allShards []*topo.ShardInfo) bool { for _, shard := range allShards { if key.KeyRangesIntersect(si.KeyRange, shard.KeyRange) { return true } } return false }
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// intersect returns true if the provided shard intersect with any shard // in the destination array
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topotools/split.go#L183-L190
train
vitessio/vitess
go/vt/automation/scheduler.go
NewScheduler
func NewScheduler() (*Scheduler, error) { defaultClusterOperations := map[string]bool{ "HorizontalReshardingTask": true, "VerticalSplitTask": true, } s := &Scheduler{ registeredClusterOperations: defaultClusterOperations, idGenerator: IDGenerator{}, toBeScheduledClusterOperati...
go
func NewScheduler() (*Scheduler, error) { defaultClusterOperations := map[string]bool{ "HorizontalReshardingTask": true, "VerticalSplitTask": true, } s := &Scheduler{ registeredClusterOperations: defaultClusterOperations, idGenerator: IDGenerator{}, toBeScheduledClusterOperati...
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// NewScheduler creates a new instance.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/automation/scheduler.go#L76-L94
train
vitessio/vitess
go/vt/automation/scheduler.go
Run
func (s *Scheduler) Run() { s.mu.Lock() s.state = stateRunning s.mu.Unlock() s.startProcessRequestsLoop() }
go
func (s *Scheduler) Run() { s.mu.Lock() s.state = stateRunning s.mu.Unlock() s.startProcessRequestsLoop() }
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// Run processes queued cluster operations.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/automation/scheduler.go#L104-L110
train
vitessio/vitess
go/vt/automation/scheduler.go
EnqueueClusterOperation
func (s *Scheduler) EnqueueClusterOperation(ctx context.Context, req *automationpb.EnqueueClusterOperationRequest) (*automationpb.EnqueueClusterOperationResponse, error) { s.mu.Lock() defer s.mu.Unlock() if s.state != stateRunning { return nil, fmt.Errorf("scheduler is not running. State: %v", s.state) } if !s...
go
func (s *Scheduler) EnqueueClusterOperation(ctx context.Context, req *automationpb.EnqueueClusterOperationRequest) (*automationpb.EnqueueClusterOperationResponse, error) { s.mu.Lock() defer s.mu.Unlock() if s.state != stateRunning { return nil, fmt.Errorf("scheduler is not running. State: %v", s.state) } if !s...
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// EnqueueClusterOperation can be used to start a new cluster operation.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/automation/scheduler.go#L307-L337
train
vitessio/vitess
go/vt/automation/scheduler.go
findClusterOp
func (s *Scheduler) findClusterOp(id string) (ClusterOperationInstance, error) { var ok bool var clusterOp ClusterOperationInstance s.muOpList.Lock() defer s.muOpList.Unlock() clusterOp, ok = s.activeClusterOperations[id] if !ok { clusterOp, ok = s.finishedClusterOperations[id] } if !ok { return clusterOp,...
go
func (s *Scheduler) findClusterOp(id string) (ClusterOperationInstance, error) { var ok bool var clusterOp ClusterOperationInstance s.muOpList.Lock() defer s.muOpList.Unlock() clusterOp, ok = s.activeClusterOperations[id] if !ok { clusterOp, ok = s.finishedClusterOperations[id] } if !ok { return clusterOp,...
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// findClusterOp checks for a given ClusterOperation ID if it's in the list of active or finished operations.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/automation/scheduler.go#L340-L354
train
vitessio/vitess
go/vt/automation/scheduler.go
Checkpoint
func (s *Scheduler) Checkpoint(clusterOp ClusterOperationInstance) { // TODO(mberlin): Add here support for persistent checkpoints. s.muOpList.Lock() defer s.muOpList.Unlock() s.activeClusterOperations[clusterOp.Id] = clusterOp.Clone() }
go
func (s *Scheduler) Checkpoint(clusterOp ClusterOperationInstance) { // TODO(mberlin): Add here support for persistent checkpoints. s.muOpList.Lock() defer s.muOpList.Unlock() s.activeClusterOperations[clusterOp.Id] = clusterOp.Clone() }
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// Checkpoint should be called every time the state of the cluster op changes. // It is used to update the copy of the state in activeClusterOperations.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/automation/scheduler.go#L358-L363
train
vitessio/vitess
go/vt/automation/scheduler.go
GetClusterOperationDetails
func (s *Scheduler) GetClusterOperationDetails(ctx context.Context, req *automationpb.GetClusterOperationDetailsRequest) (*automationpb.GetClusterOperationDetailsResponse, error) { clusterOp, err := s.findClusterOp(req.Id) if err != nil { return nil, err } return &automationpb.GetClusterOperationDetailsResponse{ ...
go
func (s *Scheduler) GetClusterOperationDetails(ctx context.Context, req *automationpb.GetClusterOperationDetailsRequest) (*automationpb.GetClusterOperationDetailsResponse, error) { clusterOp, err := s.findClusterOp(req.Id) if err != nil { return nil, err } return &automationpb.GetClusterOperationDetailsResponse{ ...
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// GetClusterOperationDetails can be used to query the full details of active or finished operations.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/automation/scheduler.go#L366-L374
train
vitessio/vitess
go/vt/automation/scheduler.go
ShutdownAndWait
func (s *Scheduler) ShutdownAndWait() { s.mu.Lock() if s.state != stateShuttingDown { s.state = stateShuttingDown close(s.toBeScheduledClusterOperations) } s.mu.Unlock() log.Infof("Scheduler was shut down. Waiting for pending ClusterOperations to finish.") s.pendingOpsWg.Wait() s.mu.Lock() s.state = state...
go
func (s *Scheduler) ShutdownAndWait() { s.mu.Lock() if s.state != stateShuttingDown { s.state = stateShuttingDown close(s.toBeScheduledClusterOperations) } s.mu.Unlock() log.Infof("Scheduler was shut down. Waiting for pending ClusterOperations to finish.") s.pendingOpsWg.Wait() s.mu.Lock() s.state = state...
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// ShutdownAndWait shuts down the scheduler and waits infinitely until all pending cluster operations have finished.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/automation/scheduler.go#L377-L392
train
vitessio/vitess
go/vt/topo/memorytopo/memorytopo.go
SetError
func (f *Factory) SetError(err error) { f.mu.Lock() defer f.mu.Unlock() f.err = err if err != nil { for _, node := range f.cells { node.PropagateWatchError(err) } } }
go
func (f *Factory) SetError(err error) { f.mu.Lock() defer f.mu.Unlock() f.err = err if err != nil { for _, node := range f.cells { node.PropagateWatchError(err) } } }
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// SetError forces the given error to be returned from all calls and propagates // the error to all active watches.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topo/memorytopo/memorytopo.go#L89-L99
train
vitessio/vitess
go/vt/topo/memorytopo/memorytopo.go
PropagateWatchError
func (n *node) PropagateWatchError(err error) { for _, ch := range n.watches { ch <- &topo.WatchData{ Err: err, } } for _, c := range n.children { c.PropagateWatchError(err) } }
go
func (n *node) PropagateWatchError(err error) { for _, ch := range n.watches { ch <- &topo.WatchData{ Err: err, } } for _, c := range n.children { c.PropagateWatchError(err) } }
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// PropagateWatchError propagates the given error to all watches on this node // and recursively applies to all children
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topo/memorytopo/memorytopo.go#L157-L167
train
vitessio/vitess
go/vt/topo/memorytopo/memorytopo.go
NewServerAndFactory
func NewServerAndFactory(cells ...string) (*topo.Server, *Factory) { f := &Factory{ cells: make(map[string]*node), generation: uint64(rand.Int63n(2 ^ 60)), } f.cells[topo.GlobalCell] = f.newDirectory(topo.GlobalCell, nil) ctx := context.Background() ts, err := topo.NewWithFactory(f, "" /*serverAddress*/,...
go
func NewServerAndFactory(cells ...string) (*topo.Server, *Factory) { f := &Factory{ cells: make(map[string]*node), generation: uint64(rand.Int63n(2 ^ 60)), } f.cells[topo.GlobalCell] = f.newDirectory(topo.GlobalCell, nil) ctx := context.Background() ts, err := topo.NewWithFactory(f, "" /*serverAddress*/,...
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// NewServerAndFactory returns a new MemoryTopo and the backing factory for all // the cells. It will create one cell for each parameter passed in. It will log.Exit out // in case of a problem.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topo/memorytopo/memorytopo.go#L172-L191
train
vitessio/vitess
go/vt/topo/memorytopo/memorytopo.go
NewServer
func NewServer(cells ...string) *topo.Server { server, _ := NewServerAndFactory(cells...) return server }
go
func NewServer(cells ...string) *topo.Server { server, _ := NewServerAndFactory(cells...) return server }
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// NewServer returns the new server
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topo/memorytopo/memorytopo.go#L194-L197
train
vitessio/vitess
go/vt/topo/memorytopo/memorytopo.go
recursiveDelete
func (f *Factory) recursiveDelete(n *node) { parent := n.parent if parent == nil { return } delete(parent.children, n.name) if len(parent.children) == 0 { f.recursiveDelete(parent) } }
go
func (f *Factory) recursiveDelete(n *node) { parent := n.parent if parent == nil { return } delete(parent.children, n.name) if len(parent.children) == 0 { f.recursiveDelete(parent) } }
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// recursiveDelete deletes a node and its parent directory if empty.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/topo/memorytopo/memorytopo.go#L277-L286
train
vitessio/vitess
go/vt/mysqlctl/grpcmysqlctlserver/server.go
Start
func (s *server) Start(ctx context.Context, request *mysqlctlpb.StartRequest) (*mysqlctlpb.StartResponse, error) { return &mysqlctlpb.StartResponse{}, s.mysqld.Start(ctx, s.cnf, request.MysqldArgs...) }
go
func (s *server) Start(ctx context.Context, request *mysqlctlpb.StartRequest) (*mysqlctlpb.StartResponse, error) { return &mysqlctlpb.StartResponse{}, s.mysqld.Start(ctx, s.cnf, request.MysqldArgs...) }
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// Start implements the server side of the MysqlctlClient interface.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/grpcmysqlctlserver/server.go#L39-L41
train
vitessio/vitess
go/vt/mysqlctl/grpcmysqlctlserver/server.go
Shutdown
func (s *server) Shutdown(ctx context.Context, request *mysqlctlpb.ShutdownRequest) (*mysqlctlpb.ShutdownResponse, error) { return &mysqlctlpb.ShutdownResponse{}, s.mysqld.Shutdown(ctx, s.cnf, request.WaitForMysqld) }
go
func (s *server) Shutdown(ctx context.Context, request *mysqlctlpb.ShutdownRequest) (*mysqlctlpb.ShutdownResponse, error) { return &mysqlctlpb.ShutdownResponse{}, s.mysqld.Shutdown(ctx, s.cnf, request.WaitForMysqld) }
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// Shutdown implements the server side of the MysqlctlClient interface.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/grpcmysqlctlserver/server.go#L44-L46
train
vitessio/vitess
go/vt/mysqlctl/grpcmysqlctlserver/server.go
RunMysqlUpgrade
func (s *server) RunMysqlUpgrade(ctx context.Context, request *mysqlctlpb.RunMysqlUpgradeRequest) (*mysqlctlpb.RunMysqlUpgradeResponse, error) { return &mysqlctlpb.RunMysqlUpgradeResponse{}, s.mysqld.RunMysqlUpgrade() }
go
func (s *server) RunMysqlUpgrade(ctx context.Context, request *mysqlctlpb.RunMysqlUpgradeRequest) (*mysqlctlpb.RunMysqlUpgradeResponse, error) { return &mysqlctlpb.RunMysqlUpgradeResponse{}, s.mysqld.RunMysqlUpgrade() }
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// RunMysqlUpgrade implements the server side of the MysqlctlClient interface.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/grpcmysqlctlserver/server.go#L49-L51
train
vitessio/vitess
go/vt/mysqlctl/grpcmysqlctlserver/server.go
ReinitConfig
func (s *server) ReinitConfig(ctx context.Context, request *mysqlctlpb.ReinitConfigRequest) (*mysqlctlpb.ReinitConfigResponse, error) { return &mysqlctlpb.ReinitConfigResponse{}, s.mysqld.ReinitConfig(ctx, s.cnf) }
go
func (s *server) ReinitConfig(ctx context.Context, request *mysqlctlpb.ReinitConfigRequest) (*mysqlctlpb.ReinitConfigResponse, error) { return &mysqlctlpb.ReinitConfigResponse{}, s.mysqld.ReinitConfig(ctx, s.cnf) }
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// ReinitConfig implements the server side of the MysqlctlClient interface.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/grpcmysqlctlserver/server.go#L54-L56
train
vitessio/vitess
go/vt/mysqlctl/grpcmysqlctlserver/server.go
RefreshConfig
func (s *server) RefreshConfig(ctx context.Context, request *mysqlctlpb.RefreshConfigRequest) (*mysqlctlpb.RefreshConfigResponse, error) { return &mysqlctlpb.RefreshConfigResponse{}, s.mysqld.RefreshConfig(ctx, s.cnf) }
go
func (s *server) RefreshConfig(ctx context.Context, request *mysqlctlpb.RefreshConfigRequest) (*mysqlctlpb.RefreshConfigResponse, error) { return &mysqlctlpb.RefreshConfigResponse{}, s.mysqld.RefreshConfig(ctx, s.cnf) }
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// RefreshConfig implements the server side of the MysqlctlClient interface.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/grpcmysqlctlserver/server.go#L59-L61
train
vitessio/vitess
go/vt/mysqlctl/grpcmysqlctlserver/server.go
StartServer
func StartServer(s *grpc.Server, cnf *mysqlctl.Mycnf, mysqld *mysqlctl.Mysqld) { mysqlctlpb.RegisterMysqlCtlServer(s, &server{cnf: cnf, mysqld: mysqld}) }
go
func StartServer(s *grpc.Server, cnf *mysqlctl.Mycnf, mysqld *mysqlctl.Mysqld) { mysqlctlpb.RegisterMysqlCtlServer(s, &server{cnf: cnf, mysqld: mysqld}) }
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// StartServer registers the Server for RPCs.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/mysqlctl/grpcmysqlctlserver/server.go#L64-L66
train
vitessio/vitess
go/vt/vtgate/vindexes/numeric.go
NewNumeric
func NewNumeric(name string, _ map[string]string) (Vindex, error) { return &Numeric{name: name}, nil }
go
func NewNumeric(name string, _ map[string]string) (Vindex, error) { return &Numeric{name: name}, nil }
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// NewNumeric creates a Numeric vindex.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/vindexes/numeric.go#L41-L43
train
vitessio/vitess
go/vt/throttler/max_rate_module.go
SetMaxRate
func (m *MaxRateModule) SetMaxRate(rate int64) { m.maxRate.Set(rate) m.rateUpdateChan <- struct{}{} }
go
func (m *MaxRateModule) SetMaxRate(rate int64) { m.maxRate.Set(rate) m.rateUpdateChan <- struct{}{} }
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// SetMaxRate sets the current max rate and notifies the throttler about the // rate update.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/throttler/max_rate_module.go#L53-L56
train
vitessio/vitess
go/vt/vtgate/vindexes/null.go
NewNull
func NewNull(name string, m map[string]string) (Vindex, error) { return &Null{name: name}, nil }
go
func NewNull(name string, m map[string]string) (Vindex, error) { return &Null{name: name}, nil }
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// NewNull creates a new Null.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/vtgate/vindexes/null.go#L42-L44
train
vitessio/vitess
go/vt/binlog/binlogplayer/mock_dbclient.go
NewMockDBClient
func NewMockDBClient(t *testing.T) *MockDBClient { return &MockDBClient{ t: t, done: make(chan struct{}), } }
go
func NewMockDBClient(t *testing.T) *MockDBClient { return &MockDBClient{ t: t, done: make(chan struct{}), } }
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// NewMockDBClient returns a new DBClientMock.
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d568817542a413611801aa17a1c213aa95592182
https://github.com/vitessio/vitess/blob/d568817542a413611801aa17a1c213aa95592182/go/vt/binlog/binlogplayer/mock_dbclient.go#L44-L49
train