Function nodeSubqueryToTableExpr

server/ast/subquery.go:39–48

nodeSubquery handles *tree.Subquery nodes, returning a vitess.TableExpr.

(ctx *Context, node *tree.Subquery)

// nodeSubquery handles *tree.Subquery nodes, returning a vitess.TableExpr.
func nodeSubqueryToTableExpr(ctx *Context, node *tree.Subquery) (vitess.TableExpr, error) {
	subquery, err := nodeSubquery(ctx, node)
	if err != nil {
		return nil, err
	}
	return &vitess.AliasedTableExpr{
		Expr: subquery,
		As:   vitess.NewTableIdent(utils.GenerateUniqueAlias()),
	}, nil
}

// nodeSubqueryOrExists handles *tree.Subquery nodes that may be an EXISTS subquery, returning a vitess.Expr.
func nodeSubqueryOrExists(ctx *Context, node *tree.Subquery) (vitess.Expr, error) {