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--
-- Commit Timestamp
--
SHOW track_commit_timestamp;
track_commit_timestamp
------------------------
off
(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;
ERROR: could not get commit timestamp data
HINT: Make sure the configuration parameter "track_commit_timestamp" is set.
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);
pg_xact_commit_timestamp
--------------------------
(1 row)
SELECT pg_xact_commit_timestamp('2'::xid);
pg_xact_commit_timestamp
--------------------------
(1 row)
SELECT x.xid::text::bigint > 0, x.timestamp > '-infinity'::timestamptz, x.timestamp <= now() FROM pg_last_committed_xact() x;
ERROR: could not get commit timestamp data
HINT: Make sure the configuration parameter "track_commit_timestamp" is set.
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