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Diffstat (limited to 'src/backend/optimizer/util/restrictinfo.c')
-rw-r--r--src/backend/optimizer/util/restrictinfo.c30
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.