sctx

type Context interface {
	sessionctx.Context

	// Txn returns the current transaction which is created before executing a statement.
	// The returned kv.Transaction is not nil, but it maybe pending or invalid.
	// If the active parameter is true, call this function will wait for the pending txn
	// to become valid.
	GetTxn(active bool, raw bool) (kv.Transaction, error)
	CommitTxnWrapper(ctx context.Context) error
}