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-rw-r--r--src/test/regress/sql/opr_sanity.sql5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/test/regress/sql/opr_sanity.sql b/src/test/regress/sql/opr_sanity.sql
index bb9b6bb3b8a..123e3bb5c1e 100644
--- a/src/test/regress/sql/opr_sanity.sql
+++ b/src/test/regress/sql/opr_sanity.sql
@@ -381,6 +381,11 @@ and pronamespace = (select oid from pg_catalog.pg_namespace
where nspname = 'pg_catalog')
order by 1;
+-- Check that all immutable functions are marked parallel safe
+SELECT p1.oid, p1.proname
+FROM pg_proc AS p1
+WHERE provolatile = 'i' AND proparallel = 'u';
+
-- **************** pg_cast ****************