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-rw-r--r--src/test/regress/sql/sysviews.sql4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/test/regress/sql/sysviews.sql b/src/test/regress/sql/sysviews.sql
index 351e469c77b..6b4e24601d9 100644
--- a/src/test/regress/sql/sysviews.sql
+++ b/src/test/regress/sql/sysviews.sql
@@ -55,6 +55,10 @@ select count(*) = 0 as ok from pg_stat_wal_receiver;
-- a regression test run.
select name, setting from pg_settings where name like 'enable%';
+-- There are always wait event descriptions for various types.
+select type, count(*) > 0 as ok FROM pg_wait_events
+ group by type order by type COLLATE "C";
+
-- Test that the pg_timezone_names and pg_timezone_abbrevs views are
-- more-or-less working. We can't test their contents in any great detail
-- without the outputs changing anytime IANA updates the underlying data,