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Enable bushy and right-hand queries by default.

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This commit is contained in:
Bruce Momjian
1999-02-18 06:01:11 +00:00
parent 65ccd1039a
commit b4e7510e09
6 changed files with 12 additions and 153 deletions
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15
src/backend/optimizer/path/joinrels.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/joinrels.c,v 1.29 1999/02/18 05:26:19 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/joinrels.c,v 1.30 1999/02/18 06:00:46 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -23,14 +23,6 @@
#include "optimizer/joininfo.h"
#include "optimizer/pathnode.h"
#ifdef USE_RIGHT_SIDED_PLANS
bool _use_right_sided_plans_ = true;
#else
bool _use_right_sided_plans_ = false;
#endif
static List *new_joininfo_list(List *joininfo_list, Relids join_relids);
static bool nonoverlap_sets(List *s1, List *s2);
static bool is_subset(List *s1, List *s2);
@@ -122,8 +114,7 @@ make_rels_by_clause_joins(Query *root, RelOptInfo *old_rel,
join_list = lappend(join_list, joined_rel);
/* Right-sided plan */
if (_use_right_sided_plans_ &&
length(old_rel->relids) > 1)
if (length(old_rel->relids) > 1)
{
joined_rel = make_join_rel(
get_base_rel(root, lfirsti(unjoined_relids)),
@@ -133,7 +124,7 @@ make_rels_by_clause_joins(Query *root, RelOptInfo *old_rel,
}
}
if (BushyPlanFlag && only_relids == NIL) /* no bushy from geqo */
if (only_relids == NIL) /* no bushy from geqo */
{
List *r;