Method TypeCheck

postgres/parser/sem/tree/type_check.go:561–577

TypeCheck implements the Expr interface.

(
	ctx context.Context, semaCtx *SemaContext, desired *types.T,
)

// TypeCheck implements the Expr interface.
func (expr *TupleStar) TypeCheck(
	ctx context.Context, semaCtx *SemaContext, desired *types.T,
) (TypedExpr, error) {
	subExpr, err := expr.Expr.TypeCheck(ctx, semaCtx, desired)
	if err != nil {
		return nil, err
	}
	expr.Expr = subExpr
	resolvedType := subExpr.ResolvedType()

	// We need to ensure the expression is a tuple.
	if resolvedType.Family() != types.TupleFamily {
		return nil, NewTypeIsNotCompositeError(resolvedType)
	}

	return subExpr, err
}

// ResolvedType implements the TypedExpr interface.
func (expr *TupleStar) ResolvedType() *types.T {