diff options
Diffstat (limited to 'src/include/optimizer/planmain.h')
| -rw-r--r-- | src/include/optimizer/planmain.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/include/optimizer/planmain.h b/src/include/optimizer/planmain.h index 31c188176b7..2bc857745a9 100644 --- a/src/include/optimizer/planmain.h +++ b/src/include/optimizer/planmain.h @@ -20,6 +20,7 @@ /* GUC parameters */ #define DEFAULT_CURSOR_TUPLE_FRACTION 0.1 extern PGDLLIMPORT double cursor_tuple_fraction; +extern PGDLLIMPORT bool enable_self_join_removal; /* query_planner callback to compute query_pathkeys */ typedef void (*query_pathkeys_callback) (PlannerInfo *root, void *extra); @@ -104,6 +105,11 @@ extern bool query_is_distinct_for(Query *query, List *colnos, List *opids); extern bool innerrel_is_unique(PlannerInfo *root, Relids joinrelids, Relids outerrelids, RelOptInfo *innerrel, JoinType jointype, List *restrictlist, bool force_cache); +extern bool innerrel_is_unique_ext(PlannerInfo *root, Relids joinrelids, + Relids outerrelids, RelOptInfo *innerrel, + JoinType jointype, List *restrictlist, + bool force_cache, List **uclauses); +extern List *remove_useless_self_joins(PlannerInfo *root, List *jointree); /* * prototypes for plan/setrefs.c |