From 935969415a90065d4bc4b2643b4c9c50518c934b Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Sat, 30 Nov 2002 05:21:03 +0000
Subject: Be more realistic about plans involving Materialize nodes: take their
 cost into account while planning.

---
 src/backend/nodes/copyfuncs.c | 32 ++++++++++++++++++++++++++++----
 1 file changed, 28 insertions(+), 4 deletions(-)

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

diff --git a/src/backend/nodes/copyfuncs.c b/src/backend/nodes/copyfuncs.c
index 7798913cde5..d11b5ed201f 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
- *	  $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.224 2002/11/30 00:08:16 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.225 2002/11/30 05:21:01 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -1142,6 +1142,27 @@ _copyResultPath(ResultPath *from)
 	return newnode;
 }
 
+/*
+ * _copyMaterialPath
+ */
+static MaterialPath *
+_copyMaterialPath(MaterialPath *from)
+{
+	MaterialPath    *newnode = makeNode(MaterialPath);
+
+	/*
+	 * copy node superclass fields
+	 */
+	CopyPathFields((Path *) from, (Path *) newnode);
+
+	/*
+	 * copy remainder of node
+	 */
+	COPY_NODE_FIELD(subpath);
+
+	return newnode;
+}
+
 /*
  * CopyJoinPathFields
  *
@@ -2739,6 +2760,9 @@ copyObject(void *from)
 		case T_RelOptInfo:
 			retval = _copyRelOptInfo(from);
 			break;
+		case T_IndexOptInfo:
+			retval = _copyIndexOptInfo(from);
+			break;
 		case T_Path:
 			retval = _copyPath(from);
 			break;
@@ -2754,6 +2778,9 @@ copyObject(void *from)
 		case T_ResultPath:
 			retval = _copyResultPath(from);
 			break;
+		case T_MaterialPath:
+			retval = _copyMaterialPath(from);
+			break;
 		case T_NestPath:
 			retval = _copyNestPath(from);
 			break;
@@ -2772,9 +2799,6 @@ copyObject(void *from)
 		case T_JoinInfo:
 			retval = _copyJoinInfo(from);
 			break;
-		case T_IndexOptInfo:
-			retval = _copyIndexOptInfo(from);
-			break;
 		case T_InnerIndexscanInfo:
 			retval = _copyInnerIndexscanInfo(from);
 			break;
-- 
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