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Be more realistic about plans involving Materialize nodes: take their

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cost into account while planning.
This commit is contained in:
Tom Lane
2002-11-30 05:21:03 +00:00
parent 829cedc8cf
commit 935969415a
19 changed files with 320 additions and 160 deletions
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16
src/include/nodes/nodes.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: nodes.h,v 1.124 2002/11/24 21:52:14 tgl Exp $
* $Id: nodes.h,v 1.125 2002/11/30 05:21:03 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -75,6 +75,7 @@ typedef enum NodeTag
* TAGS FOR PLANNER NODES (relation.h)
*/
T_RelOptInfo = 200,
T_IndexOptInfo,
T_Path,
T_IndexPath,
T_NestPath,
@ -83,10 +84,10 @@ typedef enum NodeTag
T_TidPath,
T_AppendPath,
T_ResultPath,
T_MaterialPath,
T_PathKeyItem,
T_RestrictInfo,
T_JoinInfo,
T_IndexOptInfo,
T_InnerIndexscanInfo,
/*
@ -288,17 +289,6 @@ extern Node *newNodeMacroHolder;
#define IsA(nodeptr,_type_) (nodeTag(nodeptr) == T_##_type_)
/* ----------------------------------------------------------------
* IsA functions (no inheritance any more)
* ----------------------------------------------------------------
*/
#define IsA_JoinPath(jp) \
(IsA(jp, NestPath) || IsA(jp, MergePath) || IsA(jp, HashPath))
#define IsA_Join(jp) \
(IsA(jp, Join) || IsA(jp, NestLoop) || \
IsA(jp, MergeJoin) || IsA(jp, HashJoin))
/* ----------------------------------------------------------------
* extern declarations follow
* ----------------------------------------------------------------