postgresql/src/test/modules/commit_ts/sql/commit_timestamp.sql

25 lines
757 B
SQL

--
-- Commit Timestamp
--
SHOW track_commit_timestamp;
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;
DROP TABLE committs_test;
SELECT pg_xact_commit_timestamp('0'::xid);
SELECT pg_xact_commit_timestamp('1'::xid);
SELECT pg_xact_commit_timestamp('2'::xid);
SELECT x.xid::text::bigint > 0, x.timestamp > '-infinity'::timestamptz, x.timestamp < now() FROM pg_last_committed_xact() x;