session

type Session interface {
	variable.SessionVarsProvider
	// GetStore returns the kv store
	GetStore() kv.Storage
	// GetLatestInfoSchema returns information schema of latest info schema.
	GetLatestInfoSchema() infoschema.MetaOnlyInfoSchema
	// SessionInfoSchema returns information schema of current session
	SessionInfoSchema() infoschema.MetaOnlyInfoSchema
	// GetSQLExecutor returns the sql executor
	GetSQLExecutor() sqlexec.SQLExecutor
	// ExecuteSQL executes the sql
	ExecuteSQL(ctx context.Context, sql string, args ...any) ([]chunk.Row, error)
	// RunInTxn executes the specified function in a txn
	RunInTxn(ctx context.Context, fn func() error, mode TxnMode) (err error)
	// ResetWithGlobalTimeZone resets the session time zone to global time zone
	ResetWithGlobalTimeZone(ctx context.Context) error
	// GlobalTimeZone returns the global timezone. It is used to compute expire time for TTL
	GlobalTimeZone(ctx context.Context) (*time.Location, error)
	// KillStmt kills the current statement execution
	KillStmt()
	// Now returns the current time in location specified by session var
	Now() time.Time
	// AvoidReuse is used to avoid reuse the session
	AvoidReuse()
}

type TxnMode int