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Cleanup optimizer function names and clarify code.

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This commit is contained in:
Bruce Momjian
1998-08-10 02:26:40 +00:00
parent addddea313
commit 2d32d909b5
17 changed files with 130 additions and 112 deletions
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22
src/backend/optimizer/geqo/geqo_eval.c
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@@ -5,7 +5,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: geqo_eval.c,v 1.21 1998/08/04 16:44:02 momjian Exp $
* $Id: geqo_eval.c,v 1.22 1998/08/10 02:26:16 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -71,9 +71,9 @@ geqo_eval(Query *root, Gene *tour, int num_gene)
List *temp;
/* remember root->join_relation_list_ ... */
/* because root->join_relation_list_ will be changed during the following */
temp = listCopy(root->join_relation_list_);
/* remember root->join_rel_list ... */
/* because root->join_rel_list will be changed during the following */
temp = listCopy(root->join_rel_list);
/* joinrel is readily processed query tree -- left-sided ! */
joinrel = gimme_tree(root, tour, 0, num_gene, NULL);
@@ -81,7 +81,7 @@ geqo_eval(Query *root, Gene *tour, int num_gene)
/* compute fitness */
fitness = (Cost) joinrel->cheapestpath->path_cost;
root->join_relation_list_ = listCopy(temp);
root->join_rel_list = listCopy(temp);
pfree(joinrel);
freeList(temp);
@@ -113,7 +113,7 @@ gimme_tree(Query *root, Gene *tour, int rel_count, int num_gene, RelOptInfo *out
/* tour[0] = 3; tour[1] = 1; tour[2] = 2 */
base_rel_index = (int) tour[rel_count];
inner_rel = (RelOptInfo *) geqo_nth(base_rel_index, root->base_relation_list_);
inner_rel = (RelOptInfo *) geqo_nth(base_rel_index, root->base_rel_list);
if (rel_count == 0)
{ /* processing first join with
@@ -169,7 +169,7 @@ gimme_tree(Query *root, Gene *tour, int rel_count, int num_gene, RelOptInfo *out
new_rel->size = compute_rel_size(new_rel);
new_rel->width = compute_rel_width(new_rel);
root->join_relation_list_ = lcons(new_rel, NIL);
root->join_rel_list = lcons(new_rel, NIL);
return gimme_tree(root, tour, rel_count, num_gene, new_rel);
}
@@ -482,7 +482,7 @@ geqo_add_new_joininfos(Query *root, List *joinrels, List *outerrels)
*/
/*
* if ( (root->join_relation_list_) != NIL ) { rel =
* if ( (root->join_rel_list) != NIL ) { rel =
* get_join_rel(root, xrelid); } else { rel =
* get_base_rel(root, lfirsti(xrelid)); }
*/
@@ -495,7 +495,7 @@ geqo_add_new_joininfos(Query *root, List *joinrels, List *outerrels)
*/
relids = lconsi(lfirsti(xrelid), NIL);
rel = rel_member(relids, root->base_relation_list_);
rel = rel_member(relids, root->base_rel_list);
add_superrels(rel, joinrel);
}
@@ -521,7 +521,7 @@ geqo_add_new_joininfos(Query *root, List *joinrels, List *outerrels)
*/
/*
* if ( (root->join_relation_list_) != NIL ) { rel =
* if ( (root->join_rel_list) != NIL ) { rel =
* get_join_rel(root, xrelid); } else { rel =
* get_base_rel(root, lfirsti(xrelid)); }
*/
@@ -534,7 +534,7 @@ geqo_add_new_joininfos(Query *root, List *joinrels, List *outerrels)
*/
relids = lconsi(lfirsti(xrelid), NIL);
rel = rel_member(relids, root->base_relation_list_);
rel = rel_member(relids, root->base_rel_list);
super_rels = rel->superrels;
new_joininfo = makeNode(JInfo);