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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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21
src/backend/nodes/copyfuncs.c
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@ -15,7 +15,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/nodes/copyfuncs.c,v 1.441 2009/10/07 22:14:20 alvherre Exp $
* $PostgreSQL: pgsql/src/backend/nodes/copyfuncs.c,v 1.442 2009/10/08 02:39:20 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1019,6 +1019,22 @@ _copyFuncExpr(FuncExpr *from)
return newnode;
}
/*
* _copyNamedArgExpr *
*/
static NamedArgExpr *
_copyNamedArgExpr(NamedArgExpr *from)
{
NamedArgExpr *newnode = makeNode(NamedArgExpr);
COPY_NODE_FIELD(arg);
COPY_STRING_FIELD(name);
COPY_SCALAR_FIELD(argnumber);
COPY_LOCATION_FIELD(location);
return newnode;
}
/*
* _copyOpExpr
*/
@ -3587,6 +3603,9 @@ copyObject(void *from)
case T_FuncExpr:
retval = _copyFuncExpr(from);
break;
case T_NamedArgExpr:
retval = _copyNamedArgExpr(from);
break;
case T_OpExpr:
retval = _copyOpExpr(from);
break;