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Get rid of some old and crufty global variables in the planner. When

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this code was last gone over, there wasn't really any alternative to
globals because we didn't have the PlannerInfo struct being passed all
through the planner code.  Now that we do, we can restructure things
to avoid non-reentrancy.  I'm fooling with this because otherwise I'd
have had to add another global variable for the planned compact
range table list.
This commit is contained in:
Tom Lane
2007-02-19 07:03:34 +00:00
parent 90c301aaa9
commit 7c5e5439d2
18 changed files with 293 additions and 223 deletions
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12
src/include/optimizer/planner.h
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@@ -7,23 +7,21 @@
* Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/optimizer/planner.h,v 1.36 2007/01/05 22:19:56 momjian Exp $
* $PostgreSQL: pgsql/src/include/optimizer/planner.h,v 1.37 2007/02/19 07:03:34 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef PLANNER_H
#define PLANNER_H
#include "nodes/params.h"
#include "nodes/parsenodes.h"
#include "nodes/plannodes.h"
#include "nodes/relation.h"
extern ParamListInfo PlannerBoundParamList; /* current boundParams */
extern Plan *planner(Query *parse, bool isCursor, int cursorOptions,
ParamListInfo boundParams);
extern Plan *subquery_planner(Query *parse, double tuple_fraction,
List **subquery_pathkeys);
extern Plan *subquery_planner(PlannerGlobal *glob, Query *parse,
Index level, double tuple_fraction,
List **subquery_pathkeys);
#endif /* PLANNER_H */