From 717fa274d14d9cd25396b85bb92f567e1c623f0c Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Thu, 8 Oct 2009 02:39:25 +0000
Subject: Support use of function argument names to identify which actual
 arguments match which function parameters.  The syntax uses AS, for example 
 funcname(value AS arg1, anothervalue AS arg2)

Pavel Stehule
---
 src/backend/nodes/copyfuncs.c | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

(limited to 'src/backend/nodes/copyfuncs.c')

diff --git a/src/backend/nodes/copyfuncs.c b/src/backend/nodes/copyfuncs.c
index 9319aa84c5e..27c231701d6 100644
--- a/src/backend/nodes/copyfuncs.c
+++ b/src/backend/nodes/copyfuncs.c
@@ -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;
-- 
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