From 9caafda579f699b43fa4c89bf13a2331ef00611e Mon Sep 17 00:00:00 2001
From: Joe Conway <mail@joeconway.com>
Date: Wed, 2 Aug 2006 01:59:48 +0000
Subject: Add support for multi-row VALUES clauses as part of INSERT statements
 (e.g. "INSERT ... VALUES (...), (...), ...") and elsewhere as allowed by the
 spec. (e.g. similar to a FROM clause subselect). initdb required. Joe Conway
 and Tom Lane.

---
 src/backend/optimizer/util/pathnode.c | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

(limited to 'src/backend/optimizer/util/pathnode.c')

diff --git a/src/backend/optimizer/util/pathnode.c b/src/backend/optimizer/util/pathnode.c
index 631d6087d8e..2cc79ed239e 100644
--- a/src/backend/optimizer/util/pathnode.c
+++ b/src/backend/optimizer/util/pathnode.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/optimizer/util/pathnode.c,v 1.131 2006/07/22 15:41:55 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/optimizer/util/pathnode.c,v 1.132 2006/08/02 01:59:46 joe Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -1082,6 +1082,25 @@ create_functionscan_path(PlannerInfo *root, RelOptInfo *rel)
 	return pathnode;
 }
 
+/*
+ * create_valuesscan_path
+ *	  Creates a path corresponding to a scan of a VALUES list,
+ *	  returning the pathnode.
+ */
+Path *
+create_valuesscan_path(PlannerInfo *root, RelOptInfo *rel)
+{
+	Path	   *pathnode = makeNode(Path);
+
+	pathnode->pathtype = T_ValuesScan;
+	pathnode->parent = rel;
+	pathnode->pathkeys = NIL;	/* result is always unordered */
+
+	cost_valuesscan(pathnode, root, rel);
+
+	return pathnode;
+}
+
 /*
  * create_nestloop_path
  *	  Creates a pathnode corresponding to a nestloop join between two
-- 
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