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Fix bushy plans. Cleanup.

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This commit is contained in:
Bruce Momjian
1999-02-18 00:49:48 +00:00
parent c82ca4c158
commit 31cce21fb0
22 changed files with 182 additions and 365 deletions
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17
src/backend/optimizer/util/relnode.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/relnode.c,v 1.14 1999/02/15 03:22:17 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/relnode.c,v 1.15 1999/02/18 00:49:38 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -30,7 +30,7 @@
RelOptInfo *
get_base_rel(Query *root, int relid)
{
List *relids;
Relids relids;
RelOptInfo *rel;
relids = lconsi(relid, NIL);
@ -53,7 +53,6 @@ get_base_rel(Query *root, int relid)
rel->restrictinfo = NIL;
rel->joininfo = NIL;
rel->innerjoin = NIL;
rel->superrels = NIL;
root->base_rel_list = lcons(rel, root->base_rel_list);
@ -76,7 +75,6 @@ get_base_rel(Query *root, int relid)
bool hasindex;
int pages,
tuples;
/*
* Otherwise, retrieve relation characteristics from the
* system catalogs.
@ -93,11 +91,10 @@ get_base_rel(Query *root, int relid)
/*
* get_join_rel
* Returns relation entry corresponding to 'relid' (a list of relids),
* creating a new one if necessary. This is for join relations.
*
* or NULL.
*/
RelOptInfo *
get_join_rel(Query *root, List *relid)
get_join_rel(Query *root, Relids relid)
{
return rel_member(relid, root->join_rel_list);
}
@ -111,17 +108,17 @@ get_join_rel(Query *root, List *relid)
*
*/
RelOptInfo *
rel_member(List *relid, List *rels)
rel_member(Relids relids, List *rels)
{
List *temp = NIL;
List *temprelid = NIL;
if (relid != NIL && rels != NIL)
if (relids != NIL && rels != NIL)
{
foreach(temp, rels)
{
temprelid = ((RelOptInfo *) lfirst(temp))->relids;
if (same(temprelid, relid))
if (same(temprelid, relids))
return (RelOptInfo *) (lfirst(temp));
}
}