diff options
| author | Peter Eisentraut | 2018-07-16 11:35:41 +0000 |
|---|---|---|
| committer | Peter Eisentraut | 2018-07-16 11:35:41 +0000 |
| commit | f7cb2842bf47715133b40e4a503f35dbe60d1b72 (patch) | |
| tree | 645468d969635b10cb87e1134b60afcd26456339 /src/include/utils | |
| parent | a06e56b247feb2812bad5cf60fd9c0128d81f5c0 (diff) | |
Add plan_cache_mode setting
This allows overriding the choice of custom or generic plan.
Author: Pavel Stehule <pavel.stehule@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/CAFj8pRAGLaiEm8ur5DWEBo7qHRWTk9HxkuUAz00CZZtJj-LkCA%40mail.gmail.com
Diffstat (limited to 'src/include/utils')
| -rw-r--r-- | src/include/utils/plancache.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/include/utils/plancache.h b/src/include/utils/plancache.h index ab20aa04b0a..5fc7903a068 100644 --- a/src/include/utils/plancache.h +++ b/src/include/utils/plancache.h @@ -182,4 +182,15 @@ extern CachedPlan *GetCachedPlan(CachedPlanSource *plansource, QueryEnvironment *queryEnv); extern void ReleaseCachedPlan(CachedPlan *plan, bool useResOwner); +/* possible values for plan_cache_mode */ +typedef enum +{ + PLAN_CACHE_MODE_AUTO, + PLAN_CACHE_MODE_FORCE_GENERIC_PLAN, + PLAN_CACHE_MODE_FORCE_CUSTOM_PLAN +} PlanCacheMode; + +/* GUC parameter */ +extern int plan_cache_mode; + #endif /* PLANCACHE_H */ |