temptable

Documentation

Index

• func AttachLocalTemporaryTableInfoSchema(sctx variable.SessionVarsProvider, is infoschema.InfoSchema) infoschema.InfoSchema
• func DetachLocalTemporaryTableInfoSchema(is infoschema.InfoSchema) infoschema.InfoSchema
• func SessionSnapshotInterceptor(sctx sessionctx.Context, is infoschema.InfoSchema) kv.SnapshotInterceptor
• type TemporaryTableDDL
  • func GetTemporaryTableDDL(sctx sessionctx.Context) TemporaryTableDDL
• type TemporaryTableSnapshotInterceptor
  • func NewTemporaryTableSnapshotInterceptor(is infoschema.InfoSchema, sessionData kv.Retriever) *TemporaryTableSnapshotInterceptor
  • func (i *TemporaryTableSnapshotInterceptor) OnBatchGet(ctx context.Context, snap kv.Snapshot, keys []kv.Key) (map[string][]byte, error)
  • func (i *TemporaryTableSnapshotInterceptor) OnGet(ctx context.Context, snap kv.Snapshot, k kv.Key) ([]byte, error)
  • func (i *TemporaryTableSnapshotInterceptor) OnIter(snap kv.Snapshot, k kv.Key, upperBound kv.Key) (kv.Iterator, error)
  • func (i *TemporaryTableSnapshotInterceptor) OnIterReverse(snap kv.Snapshot, k kv.Key, lowerBound kv.Key) (kv.Iterator, error)

Functions

func AttachLocalTemporaryTableInfoSchema

func AttachLocalTemporaryTableInfoSchema(sctx variable.SessionVarsProvider, is infoschema.InfoSchema) infoschema.InfoSchema

AttachLocalTemporaryTableInfoSchema attach local temporary table information schema to is

func DetachLocalTemporaryTableInfoSchema

func DetachLocalTemporaryTableInfoSchema(is infoschema.InfoSchema) infoschema.InfoSchema

DetachLocalTemporaryTableInfoSchema detach local temporary table information schema from is

func SessionSnapshotInterceptor

func SessionSnapshotInterceptor(sctx sessionctx.Context, is infoschema.InfoSchema) kv.SnapshotInterceptor

SessionSnapshotInterceptor creates a new snapshot interceptor for temporary table data fetch

Types

type TemporaryTableDDL

type TemporaryTableDDL interface {
	CreateLocalTemporaryTable(db *model.DBInfo, info *model.TableInfo) error
	DropLocalTemporaryTable(schema pmodel.CIStr, tblName pmodel.CIStr) error
	TruncateLocalTemporaryTable(schema pmodel.CIStr, tblName pmodel.CIStr) error
}

TemporaryTableDDL is an interface providing ddl operations for temporary table

func GetTemporaryTableDDL

func GetTemporaryTableDDL(sctx sessionctx.Context) TemporaryTableDDL

GetTemporaryTableDDL gets the temptable.TemporaryTableDDL from session context

type TemporaryTableSnapshotInterceptor

type TemporaryTableSnapshotInterceptor struct {
	// contains filtered or unexported fields
}

TemporaryTableSnapshotInterceptor implements kv.SnapshotInterceptor

func NewTemporaryTableSnapshotInterceptor

func NewTemporaryTableSnapshotInterceptor(is infoschema.InfoSchema, sessionData kv.Retriever) *TemporaryTableSnapshotInterceptor

NewTemporaryTableSnapshotInterceptor creates a new TemporaryTableSnapshotInterceptor

func (*TemporaryTableSnapshotInterceptor) OnBatchGet

func (i *TemporaryTableSnapshotInterceptor) OnBatchGet(ctx context.Context, snap kv.Snapshot, keys []kv.Key) (map[string][]byte, error)

OnBatchGet intercepts BatchGet operation for Snapshot

func (*TemporaryTableSnapshotInterceptor) OnGet

func (i *TemporaryTableSnapshotInterceptor) OnGet(ctx context.Context, snap kv.Snapshot, k kv.Key) ([]byte, error)

OnGet intercepts Get operation for Snapshot

func (*TemporaryTableSnapshotInterceptor) OnIter

func (i *TemporaryTableSnapshotInterceptor) OnIter(snap kv.Snapshot, k kv.Key, upperBound kv.Key) (kv.Iterator, error)

OnIter intercepts Iter operation for Snapshot

func (*TemporaryTableSnapshotInterceptor) OnIterReverse

func (i *TemporaryTableSnapshotInterceptor) OnIterReverse(snap kv.Snapshot, k kv.Key, lowerBound kv.Key) (kv.Iterator, error)

OnIterReverse intercepts IterReverse operation for Snapshot