diff options
Diffstat (limited to 'src/backend/optimizer/path/clausesel.c')
| -rw-r--r-- | src/backend/optimizer/path/clausesel.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/src/backend/optimizer/path/clausesel.c b/src/backend/optimizer/path/clausesel.c index 5e723d9603e..ef7b5902347 100644 --- a/src/backend/optimizer/path/clausesel.c +++ b/src/backend/optimizer/path/clausesel.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/optimizer/path/clausesel.c,v 1.7 1998/04/27 04:05:49 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/optimizer/path/clausesel.c,v 1.8 1998/06/15 19:28:39 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -54,9 +54,7 @@ set_clause_selectivities(List *clauseinfo_list, Cost new_selectivity) clausenode = (CInfo *) lfirst(temp); cost_clause = clausenode->selectivity; if (FLOAT_IS_ZERO(cost_clause) || new_selectivity < cost_clause) - { clausenode->selectivity = new_selectivity; - } } } @@ -225,18 +223,14 @@ compute_selec(Query *root, List *clauses, List *or_selectivities) List *clause = lfirst(clauses); if (clauses == NULL) - { s1 = 1.0; - } else if (IsA(clause, Param)) { /* XXX How're we handling this before?? -ay */ s1 = 1.0; } else if (IsA(clause, Const)) - { s1 = ((bool) ((Const *) clause)->constvalue) ? 1.0 : 0.0; - } else if (IsA(clause, Var)) { Oid relid = getrelid(((Var *) clause)->varno, @@ -369,9 +363,7 @@ compute_selec(Query *root, List *clauses, List *or_selectivities) */ if (length(clauses) < 2) - { return (s1); - } else { /* Compute selectivity of the 'or'ed subclauses. */ |