1 files changed, 39 insertions, 0 deletions
diff --git a/src/test/modules/commit_ts/expected/commit_timestamp.out b/src/test/modules/commit_ts/expected/commit_timestamp.out
new file mode 100644
index 00000000000..e40e28cdfb8
--- /dev/null
+++ b/src/test/modules/commit_ts/expected/commit_timestamp.out
@@ -0,0 +1,39 @@
+--
+-- Commit Timestamp
+--
+SHOW track_commit_timestamp;
+ track_commit_timestamp 
+------------------------
+ on
+(1 row)
+
+CREATE TABLE committs_test(id serial, ts timestamptz default now());
+INSERT INTO committs_test DEFAULT VALUES;
+INSERT INTO committs_test DEFAULT VALUES;
+INSERT INTO committs_test DEFAULT VALUES;
+SELECT id,
+       pg_xact_commit_timestamp(xmin) >= ts,
+       pg_xact_commit_timestamp(xmin) < now(),
+       pg_xact_commit_timestamp(xmin) - ts < '60s' -- 60s should give a lot of reserve
+FROM committs_test
+ORDER BY id;
+ id | ?column? | ?column? | ?column? 
+----+----------+----------+----------
+  1 | t        | t        | t
+  2 | t        | t        | t
+  3 | t        | t        | t
+(3 rows)
+
+DROP TABLE committs_test;
+SELECT pg_xact_commit_timestamp('0'::xid);
+ERROR:  cannot retrieve commit timestamp for transaction 0
+SELECT pg_xact_commit_timestamp('1'::xid);
+ERROR:  cannot retrieve commit timestamp for transaction 1
+SELECT pg_xact_commit_timestamp('2'::xid);
+ERROR:  cannot retrieve commit timestamp for transaction 2
+SELECT x.xid::text::bigint > 0, x.timestamp > '-infinity'::timestamptz, x.timestamp < now() FROM pg_last_committed_xact() x;
+ ?column? | ?column? | ?column? 
+----------+----------+----------
+ t        | t        | t
+(1 row)
+