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Remove planner's private fields from Query struct, and put them into

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a new PlannerInfo struct, which is passed around instead of the bare
Query in all the planning code.  This commit is essentially just a
code-beautification exercise, but it does open the door to making
larger changes to the planner data structures without having to muck
with the widely-known Query struct.
This commit is contained in:
Tom Lane
2005-06-05 22:32:58 +00:00
parent 22dbd54047
commit 9ab4d98168
51 changed files with 852 additions and 707 deletions
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5
src/include/nodes/nodes.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/nodes/nodes.h,v 1.168 2005/04/21 19:18:13 tgl Exp $
* $PostgreSQL: pgsql/src/include/nodes/nodes.h,v 1.169 2005/06/05 22:32:57 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -165,7 +165,8 @@ typedef enum NodeTag
/*
* TAGS FOR PLANNER NODES (relation.h)
*/
T_RelOptInfo = 500,
T_PlannerInfo = 500,
T_RelOptInfo,
T_IndexOptInfo,
T_Path,
T_IndexPath,