diff options
Diffstat (limited to 'src/backend/optimizer/util/restrictinfo.c')
-rw-r--r-- | src/backend/optimizer/util/restrictinfo.c | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/src/backend/optimizer/util/restrictinfo.c b/src/backend/optimizer/util/restrictinfo.c index c1fbbb6bfee..d6d26a2b515 100644 --- a/src/backend/optimizer/util/restrictinfo.c +++ b/src/backend/optimizer/util/restrictinfo.c @@ -550,36 +550,6 @@ extract_actual_join_clauses(List *restrictinfo_list, } /* - * has_pseudoconstant_clauses - * - * Returns true if 'restrictinfo_list' includes pseudoconstant clauses. - * - * This is used when we determine whether to allow extensions to consider - * pushing down joins in add_paths_to_joinrel(). - */ -bool -has_pseudoconstant_clauses(PlannerInfo *root, - List *restrictinfo_list) -{ - ListCell *l; - - /* No need to look if we know there are no pseudoconstants */ - if (!root->hasPseudoConstantQuals) - return false; - - /* See if there are pseudoconstants in the RestrictInfo list */ - foreach(l, restrictinfo_list) - { - RestrictInfo *rinfo = lfirst_node(RestrictInfo, l); - - if (rinfo->pseudoconstant && - !rinfo_is_constant_true(rinfo)) - return true; - } - return false; -} - -/* * join_clause_is_movable_to * Test whether a join clause is a safe candidate for parameterization * of a scan on the specified base relation. |