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Support use of function argument names to identify which actual arguments

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match which function parameters.  The syntax uses AS, for example
	funcname(value AS arg1, anothervalue AS arg2)

Pavel Stehule
This commit is contained in:
Tom Lane
2009-10-08 02:39:25 +00:00
parent 2eda8dfb52
commit 717fa274d1
34 changed files with 1925 additions and 274 deletions
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11
src/backend/parser/parse_expr.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/parser/parse_expr.c,v 1.243 2009/09/09 03:32:52 tgl Exp $
* $PostgreSQL: pgsql/src/backend/parser/parse_expr.c,v 1.244 2009/10/08 02:39:23 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -228,6 +228,15 @@ transformExpr(ParseState *pstate, Node *expr)
result = transformFuncCall(pstate, (FuncCall *) expr);
break;
case T_NamedArgExpr:
{
NamedArgExpr *na = (NamedArgExpr *) expr;
na->arg = (Expr *) transformExpr(pstate, (Node *) na->arg);
result = expr;
break;
}
case T_SubLink:
result = transformSubLink(pstate, (SubLink *) expr);
break;