From 2355b69b1e1b90b159404452ee20c320e64658b2 Mon Sep 17 00:00:00 2001
From: Peter Eisentraut
Date: Fri, 27 Aug 2010 20:30:08 +0000
Subject: Small refactoring of makeVar() from a TargetEntry

---
 src/backend/nodes/makefuncs.c | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

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

diff --git a/src/backend/nodes/makefuncs.c b/src/backend/nodes/makefuncs.c
index 5550f706b18..60c9a63a13f 100644
--- a/src/backend/nodes/makefuncs.c
+++ b/src/backend/nodes/makefuncs.c
@@ -9,7 +9,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/nodes/makefuncs.c,v 1.66 2010/01/02 16:57:46 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/nodes/makefuncs.c,v 1.67 2010/08/27 20:30:07 petere Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -17,6 +17,7 @@
 
 #include "catalog/pg_type.h"
 #include "nodes/makefuncs.h"
+#include "nodes/nodeFuncs.h"
 #include "utils/lsyscache.h"
 
 
@@ -90,6 +91,22 @@ makeVar(Index varno,
 	return var;
 }
 
+/*
+ * makeVarFromTargetEntry -
+ *		convenience function to create a same-level Var node from a
+ *		TargetEntry
+ */
+Var *
+makeVarFromTargetEntry(Index varno,
+					   TargetEntry *tle)
+{
+	return makeVar(varno,
+				   tle->resno,
+				   exprType((Node *) tle->expr),
+				   exprTypmod((Node *) tle->expr),
+				   0);
+}
+
 /*
  * makeTargetEntry -
  *	  creates a TargetEntry node
-- 
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