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Re-enable bushy plans. Vadim want them.

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This commit is contained in:
Bruce Momjian
1999-02-16 00:41:03 +00:00
parent cd550c7672
commit c82ca4c158
7 changed files with 23 additions and 71 deletions
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12
src/backend/optimizer/geqo/geqo_eval.c
View File

@@ -5,7 +5,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: geqo_eval.c,v 1.32 1999/02/15 03:22:00 momjian Exp $
* $Id: geqo_eval.c,v 1.33 1999/02/16 00:40:59 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -119,14 +119,12 @@ gimme_tree(Query *root, Gene *tour, int rel_count, int num_gene, RelOptInfo *out
inner_rel->joininfo,
inner_rel->relids)))
{
#ifdef NOT_USED
if (BushyPlanFlag)
if (!BushyPlanFlag)
new_rels = make_rels_by_clauseless_joins(outer_rel,
lcons(inner_rel,NIL));
else
new_rels = make_rels_by_clauseless_joins(outer_rel,
lcons(outer_rel,NIL));
else
#endif
new_rels = make_rels_by_clauseless_joins(outer_rel,
lcons(inner_rel,NIL));
}
/* process new_rel->pathlist */

21
src/backend/optimizer/path/allpaths.c
View File

@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/allpaths.c,v 1.39 1999/02/15 05:49:59 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/allpaths.c,v 1.40 1999/02/16 00:40:59 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -203,7 +203,6 @@ make_one_rel_by_joins(Query *root, List *rels, int levels_needed)
rels_set_cheapest(joined_rels);
#ifdef NOT_USED
if (BushyPlanFlag)
{
/*
@@ -214,7 +213,6 @@ make_one_rel_by_joins(Query *root, List *rels, int levels_needed)
*/
add_rel_to_rel_joininfos(root, joined_rels, rels);
}
#endif
foreach(x, joined_rels)
{
@@ -230,35 +228,28 @@ make_one_rel_by_joins(Query *root, List *rels, int levels_needed)
#endif
}
#ifdef NOT_USED
if (BushyPlanFlag)
{
/*
* prune rels that have been completely incorporated into new
* join rels
*/
rels = del_rels_all_bushy_inactive(rels);
joined_rels = del_rels_all_bushy_inactive(rels);
/*
* merge join rels if then contain the same list of base rels
*/
joined_rels = merge_rels_with_same_relids(joined_rels, rels);
merge_rels_with_same_relids(joined_rels);
}
#endif
root->join_rel_list = rels = joined_rels;
}
#ifdef NOT_USED
Assert(BushyPlanFlag || length(rels) == 1);
#endif
Assert(length(rels) == 1);
#ifdef NOT_USED
if (BushyPlanFlag)
return get_cheapest_complete_rel(rels);
if (!BushyPlanFlag)
return lfirst(rels);
else
#endif
return lfirst(rels);
return get_cheapest_complete_rel(rels);
}
/*****************************************************************************

17
src/backend/optimizer/path/joinrels.c
View File

@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/joinrels.c,v 1.25 1999/02/15 05:21:05 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/joinrels.c,v 1.26 1999/02/16 00:41:00 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -70,12 +70,11 @@ make_rels_by_joins(Query *root, List *outer_rels)
* Oops, we have a relation that is not joined to any other
* relation. Cartesian product time.
*/
#ifdef NOT_USED
if (BushyPlanFlag)
joins = make_rels_by_clauseless_joins(outer_rel, outer_rels);
if (!BushyPlanFlag)
joins = make_rels_by_clauseless_joins(outer_rel,
root->base_rel_list);
else
#endif
joins = make_rels_by_clauseless_joins(outer_rel, root->base_rel_list);
joins = make_rels_by_clauseless_joins(outer_rel, outer_rels);
}
join_list = nconc(join_list, joins);
@@ -137,14 +136,12 @@ make_rels_by_clause_joins(Query *root, RelOptInfo *outer_rel,
joininfo);
}
}
#ifdef NOT_USED
else if (BushyPlanFlag)
{
rel = make_join_rel(outer_rel,
get_join_rel(root, unjoined_rels),
joininfo);
}
#endif
else
rel = NULL;
@@ -246,10 +243,8 @@ make_join_rel(RelOptInfo *outer_rel, RelOptInfo *inner_rel, JoinInfo *joininfo)
if (joininfo)
{
joinrel->restrictinfo = joininfo->jinfo_restrictinfo;
#ifdef NOT_USED
if (BushyPlanFlag)
joininfo->bushy_inactive = true;
#endif
}
joinrel_joininfo_list = new_joininfo_list(append(outer_rel->joininfo, inner_rel->joininfo),
@@ -471,7 +466,6 @@ add_rel_to_rel_joininfos(Query *root, List *joinrels, List *outerrels)
}
}
#ifdef NOT_USED
/*
* get_cheapest_complete_rel
* Find the join relation that includes all the original
@@ -515,7 +509,6 @@ get_cheapest_complete_rel(List *join_rel_list)
return final_rel;
}
#endif
/*
* add_superrels

28
src/backend/optimizer/path/prune.c
View File

@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/Attic/prune.c,v 1.35 1999/02/15 05:21:05 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/Attic/prune.c,v 1.36 1999/02/16 00:41:00 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -106,31 +106,6 @@ rels_set_cheapest(List *rel_list)
}
}
#ifdef NOT_USED
/*
* merge_rels_with_same_relids
* Given two lists of rel nodes that are already
* pruned, merge them into one pruned rel node list
*
* 'rel_list1' and
* 'rel_list2' are the rel node lists
*
* Returns one pruned rel node list
*/
List *
merge_rels_with_same_relids(List *rel_list1, List *rel_list2)
{
List *xrel = NIL;
foreach(xrel, rel_list1)
{
RelOptInfo *rel = (RelOptInfo *) lfirst(xrel);
rel_list2 = merge_rel_with_same_relids(rel, rel_list2);
}
return append(rel_list1, rel_list2);
}
/*
* del_rels_all_bushy_inactive
* If all the joininfo's in a rel node are bushy_inactive,
@@ -175,5 +150,4 @@ del_rels_all_bushy_inactive(List *old_rels)
}
return temp_list;
}
#endif