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

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

View File

@@ -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/optimizer/planner.h,v 1.32 2004/12/31 22:03:36 pgsql Exp $
* $PostgreSQL: pgsql/src/include/optimizer/planner.h,v 1.33 2005/06/05 22:32:58 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -23,6 +23,7 @@ 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);
extern Plan *subquery_planner(Query *parse, double tuple_fraction,
List **subquery_pathkeys);
#endif /* PLANNER_H */