diff options
Diffstat (limited to 'src/backend/utils/misc')
| -rw-r--r-- | src/backend/utils/misc/guc.c | 12 | ||||
| -rw-r--r-- | src/backend/utils/misc/postgresql.conf.sample | 1 |
2 files changed, 13 insertions, 0 deletions
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c index f70f7f5c01e..b86137dc385 100644 --- a/src/backend/utils/misc/guc.c +++ b/src/backend/utils/misc/guc.c @@ -3741,6 +3741,18 @@ static struct config_real ConfigureNamesReal[] = }, { + {"recursive_worktable_factor", PGC_USERSET, QUERY_TUNING_OTHER, + gettext_noop("Sets the planner's estimate of the average size " + "of a recursive query's working table."), + NULL, + GUC_EXPLAIN + }, + &recursive_worktable_factor, + DEFAULT_RECURSIVE_WORKTABLE_FACTOR, 0.001, 1000000.0, + NULL, NULL, NULL + }, + + { {"geqo_selection_bias", PGC_USERSET, QUERY_TUNING_GEQO, gettext_noop("GEQO: selective pressure within the population."), NULL, diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample index 4cf5b26a363..b933fade8c6 100644 --- a/src/backend/utils/misc/postgresql.conf.sample +++ b/src/backend/utils/misc/postgresql.conf.sample @@ -426,6 +426,7 @@ # JOIN clauses #plan_cache_mode = auto # auto, force_generic_plan or # force_custom_plan +#recursive_worktable_factor = 10.0 # range 0.001-1000000 #------------------------------------------------------------------------------ |