diff --git a/queries/ah_schema_functions.pgsql b/queries/ah_schema_functions.pgsql
index 31ac43902080e7535f8507afabee79dbcaa00665..791110ea0489d73513e664db61c94a6bf6e8e408 100644
--- a/queries/ah_schema_functions.pgsql
+++ b/queries/ah_schema_functions.pgsql
@@ -619,6 +619,9 @@ SET JIT=OFF
 SET join_collapse_limit=16
 SET from_collapse_limit=16
 SET plan_cache_mode=force_generic_plan
+SET max_parallel_workers_per_gather=4
+SET min_parallel_table_scan_size=0
+SET min_parallel_index_scan_size=0
 ;
 
 ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------