diff options
Diffstat (limited to 'src/backend/utils/misc')
| -rw-r--r-- | src/backend/utils/misc/guc_tables.c | 10 | ||||
| -rw-r--r-- | src/backend/utils/misc/postgresql.conf.sample | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/src/backend/utils/misc/guc_tables.c b/src/backend/utils/misc/guc_tables.c index e53ebc6dc2b..7fe58518d7d 100644 --- a/src/backend/utils/misc/guc_tables.c +++ b/src/backend/utils/misc/guc_tables.c @@ -1051,6 +1051,16 @@ struct config_bool ConfigureNamesBool[] = NULL, NULL, NULL }, { + {"enable_group_by_reordering", PGC_USERSET, QUERY_TUNING_METHOD, + gettext_noop("Enables reordering of GROUP BY keys."), + NULL, + GUC_EXPLAIN + }, + &enable_group_by_reordering, + true, + NULL, NULL, NULL + }, + { {"geqo", PGC_USERSET, QUERY_TUNING_GEQO, gettext_noop("Enables genetic query optimization."), gettext_noop("This algorithm attempts to do planning without " diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample index 835b0e9ba89..da10b43dac3 100644 --- a/src/backend/utils/misc/postgresql.conf.sample +++ b/src/backend/utils/misc/postgresql.conf.sample @@ -399,6 +399,7 @@ #enable_seqscan = on #enable_sort = on #enable_tidscan = on +#enable_group_by_reordering = on # - Planner Cost Constants - |