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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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7
src/include/optimizer/restrictinfo.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/optimizer/restrictinfo.h,v 1.29 2005/04/25 02:14:48 tgl Exp $
* $PostgreSQL: pgsql/src/include/optimizer/restrictinfo.h,v 1.30 2005/06/05 22:32:58 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -16,6 +16,7 @@
#include "nodes/relation.h"
extern RestrictInfo *make_restrictinfo(Expr *clause, bool is_pushed_down,
bool valid_everywhere);
extern List *make_restrictinfo_from_bitmapqual(Path *bitmapqual,
@@ -25,10 +26,10 @@ extern bool restriction_is_or_clause(RestrictInfo *restrictinfo);
extern List *get_actual_clauses(List *restrictinfo_list);
extern void get_actual_join_clauses(List *restrictinfo_list,
List **joinquals, List **otherquals);
extern List *remove_redundant_join_clauses(Query *root,
extern List *remove_redundant_join_clauses(PlannerInfo *root,
List *restrictinfo_list,
bool isouterjoin);
extern List *select_nonredundant_join_clauses(Query *root,
extern List *select_nonredundant_join_clauses(PlannerInfo *root,
List *restrictinfo_list,
List *reference_list,
bool isouterjoin);