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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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16
src/backend/nodes/equalfuncs.c
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@@ -22,7 +22,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/nodes/equalfuncs.c,v 1.364 2009/10/07 22:14:20 alvherre Exp $
* $PostgreSQL: pgsql/src/backend/nodes/equalfuncs.c,v 1.365 2009/10/08 02:39:20 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -241,6 +241,17 @@ _equalFuncExpr(FuncExpr *a, FuncExpr *b)
return true;
}
static bool
_equalNamedArgExpr(NamedArgExpr *a, NamedArgExpr *b)
{
COMPARE_NODE_FIELD(arg);
COMPARE_STRING_FIELD(name);
COMPARE_SCALAR_FIELD(argnumber);
COMPARE_LOCATION_FIELD(location);
return true;
}
static bool
_equalOpExpr(OpExpr *a, OpExpr *b)
{
@@ -2375,6 +2386,9 @@ equal(void *a, void *b)
case T_FuncExpr:
retval = _equalFuncExpr(a, b);
break;
case T_NamedArgExpr:
retval = _equalNamedArgExpr(a, b);
break;
case T_OpExpr:
retval = _equalOpExpr(a, b);
break;