diff options
Diffstat (limited to 'src/backend/optimizer/util/clauses.c')
| -rw-r--r-- | src/backend/optimizer/util/clauses.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/src/backend/optimizer/util/clauses.c b/src/backend/optimizer/util/clauses.c index d6f0bb3ad2..35efa6bc63 100644 --- a/src/backend/optimizer/util/clauses.c +++ b/src/backend/optimizer/util/clauses.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/optimizer/util/clauses.c,v 1.157 2003/12/28 21:57:37 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/optimizer/util/clauses.c,v 1.158 2003/12/30 23:53:15 tgl Exp $ * * HISTORY * AUTHOR DATE MAJOR EVENT @@ -812,6 +812,20 @@ is_pseudo_constant_clause(Node *clause) } /* + * is_pseudo_constant_clause_relids + * Same as above, except caller already has available the var membership + * of the clause; this lets us avoid the contain_var_clause() scan. + */ +bool +is_pseudo_constant_clause_relids(Node *clause, Relids relids) +{ + if (bms_is_empty(relids) && + !contain_volatile_functions(clause)) + return true; + return false; +} + +/* * pull_constant_clauses * Scan through a list of qualifications and separate "constant" quals * from those that are not. |