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Replace planner's representation of relation sets, per pghackers discussion.

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Instead of Lists of integers, we now store variable-length bitmap sets.
This should be faster as well as less error-prone.
This commit is contained in:
Tom Lane
2003-02-08 20:20:55 +00:00
parent 893678eda7
commit c15a4c2aef
35 changed files with 1453 additions and 626 deletions
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13
src/include/optimizer/pathnode.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: pathnode.h,v 1.48 2003/01/20 18:55:05 tgl Exp $
* $Id: pathnode.h,v 1.49 2003/02/08 20:20:55 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -16,6 +16,7 @@
#include "nodes/relation.h"
/*
* prototypes for pathnode.c
*/
@@ -77,10 +78,10 @@ extern void build_base_rel(Query *root, int relid);
extern RelOptInfo *build_other_rel(Query *root, int relid);
extern RelOptInfo *find_base_rel(Query *root, int relid);
extern RelOptInfo *build_join_rel(Query *root,
List *joinrelids,
RelOptInfo *outer_rel,
RelOptInfo *inner_rel,
JoinType jointype,
List **restrictlist_ptr);
Relids joinrelids,
RelOptInfo *outer_rel,
RelOptInfo *inner_rel,
JoinType jointype,
List **restrictlist_ptr);
#endif /* PATHNODE_H */

8
src/include/optimizer/prep.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: prep.h,v 1.35 2003/01/25 23:10:30 tgl Exp $
* $Id: prep.h,v 1.36 2003/02/08 20:20:55 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -16,6 +16,8 @@
#include "nodes/parsenodes.h"
#include "nodes/plannodes.h"
#include "nodes/relation.h"
/*
* prototypes for prepjointree.c
@@ -27,8 +29,8 @@ extern Node *pull_up_IN_clauses(Query *parse, Node *node);
extern Node *pull_up_subqueries(Query *parse, Node *jtnode,
bool below_outer_join);
extern Node *preprocess_jointree(Query *parse, Node *jtnode);
extern List *get_relids_in_jointree(Node *jtnode);
extern List *get_relids_for_join(Query *parse, int joinrelid);
extern Relids get_relids_in_jointree(Node *jtnode);
extern Relids get_relids_for_join(Query *parse, int joinrelid);
/*
* prototypes for prepqual.c

6
src/include/optimizer/var.h
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@@ -7,17 +7,17 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: var.h,v 1.25 2003/01/20 18:55:06 tgl Exp $
* $Id: var.h,v 1.26 2003/02/08 20:20:55 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef VAR_H
#define VAR_H
#include "nodes/parsenodes.h"
#include "nodes/relation.h"
extern List *pull_varnos(Node *node);
extern Relids pull_varnos(Node *node);
extern bool contain_var_reference(Node *node, int varno, int varattno,
int levelsup);
extern bool contain_whole_tuple_var(Node *node, int varno, int levelsup);