113 lines
3.8 KiB
Plaintext
113 lines
3.8 KiB
Plaintext
--
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-- Commit Timestamp
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--
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SHOW track_commit_timestamp;
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track_commit_timestamp
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------------------------
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off
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(1 row)
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CREATE TABLE committs_test(id serial, ts timestamptz default now());
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INSERT INTO committs_test DEFAULT VALUES;
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INSERT INTO committs_test DEFAULT VALUES;
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INSERT INTO committs_test DEFAULT VALUES;
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SELECT id,
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pg_xact_commit_timestamp(xmin) >= ts,
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pg_xact_commit_timestamp(xmin) <= now(),
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pg_xact_commit_timestamp(xmin) - ts < '60s' -- 60s should give a lot of reserve
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FROM committs_test
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ORDER BY id;
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ERROR: could not get commit timestamp data
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HINT: Make sure the configuration parameter "track_commit_timestamp" is set.
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DROP TABLE committs_test;
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SELECT pg_xact_commit_timestamp('0'::xid);
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ERROR: cannot retrieve commit timestamp for transaction 0
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SELECT pg_xact_commit_timestamp('1'::xid);
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pg_xact_commit_timestamp
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--------------------------
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(1 row)
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SELECT pg_xact_commit_timestamp('2'::xid);
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pg_xact_commit_timestamp
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--------------------------
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(1 row)
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SELECT x.xid::text::bigint > 0 as xid_valid,
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x.timestamp <@ tstzrange('-infinity'::timestamptz, now()) AS ts_in_range,
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roident != 0 AS valid_roident
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FROM pg_last_committed_xact() x;
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ERROR: could not get commit timestamp data
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HINT: Make sure the configuration parameter "track_commit_timestamp" is set.
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-- Test non-normal transaction ids.
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SELECT * FROM pg_xact_commit_timestamp_origin(NULL); -- ok, NULL
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timestamp | roident
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-----------+---------
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(1 row)
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SELECT * FROM pg_xact_commit_timestamp_origin('0'::xid); -- error
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ERROR: cannot retrieve commit timestamp for transaction 0
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SELECT * FROM pg_xact_commit_timestamp_origin('1'::xid); -- ok, NULL
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timestamp | roident
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-----------+---------
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(1 row)
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SELECT * FROM pg_xact_commit_timestamp_origin('2'::xid); -- ok, NULL
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timestamp | roident
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-----------+---------
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(1 row)
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-- Test transaction without replication origin
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SELECT txid_current() as txid_no_origin \gset
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SELECT x.timestamp <@ tstzrange('-infinity'::timestamptz, now()) AS ts_in_range,
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roident != 0 AS valid_roident
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FROM pg_last_committed_xact() x;
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ERROR: could not get commit timestamp data
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HINT: Make sure the configuration parameter "track_commit_timestamp" is set.
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SELECT x.timestamp <@ tstzrange('-infinity'::timestamptz, now()) AS ts_in_range,
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roident != 0 AS valid_roident
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FROM pg_xact_commit_timestamp_origin(:'txid_no_origin') x;
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ERROR: could not get commit timestamp data
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HINT: Make sure the configuration parameter "track_commit_timestamp" is set.
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-- Test transaction with replication origin
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SELECT pg_replication_origin_create('test_commit_ts: get_origin') != 0
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AS valid_roident;
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valid_roident
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---------------
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t
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(1 row)
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SELECT pg_replication_origin_session_setup('test_commit_ts: get_origin');
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pg_replication_origin_session_setup
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-------------------------------------
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(1 row)
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SELECT txid_current() as txid_with_origin \gset
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SELECT x.timestamp <@ tstzrange('-infinity'::timestamptz, now()) AS ts_in_range, r.roname
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FROM pg_last_committed_xact() x, pg_replication_origin r
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WHERE r.roident = x.roident;
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ERROR: could not get commit timestamp data
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HINT: Make sure the configuration parameter "track_commit_timestamp" is set.
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SELECT x.timestamp <@ tstzrange('-infinity'::timestamptz, now()) AS ts_in_range, r.roname
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FROM pg_xact_commit_timestamp_origin(:'txid_with_origin') x, pg_replication_origin r
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WHERE r.roident = x.roident;
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ERROR: could not get commit timestamp data
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HINT: Make sure the configuration parameter "track_commit_timestamp" is set.
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SELECT pg_replication_origin_session_reset();
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pg_replication_origin_session_reset
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-------------------------------------
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(1 row)
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SELECT pg_replication_origin_drop('test_commit_ts: get_origin');
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pg_replication_origin_drop
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----------------------------
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(1 row)
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