diff options
Diffstat (limited to 'contrib/test_decoding/sql')
-rw-r--r-- | contrib/test_decoding/sql/stats.sql | 48 |
1 files changed, 34 insertions, 14 deletions
diff --git a/contrib/test_decoding/sql/stats.sql b/contrib/test_decoding/sql/stats.sql index 51294e48e87..8c34aeced1d 100644 --- a/contrib/test_decoding/sql/stats.sql +++ b/contrib/test_decoding/sql/stats.sql @@ -6,7 +6,7 @@ SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_d CREATE TABLE stats_test(data text); -- function to wait for counters to advance -CREATE FUNCTION wait_for_decode_stats(check_reset bool) RETURNS void AS $$ +CREATE FUNCTION wait_for_decode_stats(check_reset bool, check_spill_txns bool) RETURNS void AS $$ DECLARE start_time timestamptz := clock_timestamp(); updated bool; @@ -14,12 +14,25 @@ BEGIN -- we don't want to wait forever; loop will exit after 30 seconds FOR i IN 1 .. 300 LOOP - -- check to see if all updates have been reset/updated - SELECT CASE WHEN check_reset THEN (spill_txns = 0) - ELSE (spill_txns > 0) - END - INTO updated - FROM pg_stat_replication_slots WHERE slot_name='regression_slot'; + IF check_spill_txns THEN + + -- check to see if all updates have been reset/updated + SELECT CASE WHEN check_reset THEN (spill_txns = 0) + ELSE (spill_txns > 0) + END + INTO updated + FROM pg_stat_replication_slots WHERE slot_name='regression_slot'; + + ELSE + + -- check to see if all updates have been reset/updated + SELECT CASE WHEN check_reset THEN (total_txns = 0) + ELSE (total_txns > 0) + END + INTO updated + FROM pg_stat_replication_slots WHERE slot_name='regression_slot'; + + END IF; exit WHEN updated; @@ -46,18 +59,25 @@ SELECT count(*) FROM pg_logical_slot_peek_changes('regression_slot', NULL, NULL, -- Check stats, wait for the stats collector to update. We can't test the -- exact stats count as that can vary if any background transaction (say by -- autovacuum) happens in parallel to the main transaction. -SELECT wait_for_decode_stats(false); -SELECT slot_name, spill_txns > 0 AS spill_txns, spill_count > 0 AS spill_count FROM pg_stat_replication_slots; +SELECT wait_for_decode_stats(false, true); +SELECT slot_name, spill_txns > 0 AS spill_txns, spill_count > 0 AS spill_count, total_txns > 0 AS total_txns, total_bytes > 0 AS total_bytes FROM pg_stat_replication_slots; -- reset the slot stats, and wait for stats collector to reset SELECT pg_stat_reset_replication_slot('regression_slot'); -SELECT wait_for_decode_stats(true); -SELECT slot_name, spill_txns, spill_count FROM pg_stat_replication_slots; +SELECT wait_for_decode_stats(true, true); +SELECT slot_name, spill_txns, spill_count, total_txns, total_bytes FROM pg_stat_replication_slots; -- decode and check stats again. SELECT count(*) FROM pg_logical_slot_peek_changes('regression_slot', NULL, NULL, 'skip-empty-xacts', '1'); -SELECT wait_for_decode_stats(false); -SELECT slot_name, spill_txns > 0 AS spill_txns, spill_count > 0 AS spill_count FROM pg_stat_replication_slots; +SELECT wait_for_decode_stats(false, true); +SELECT slot_name, spill_txns > 0 AS spill_txns, spill_count > 0 AS spill_count, total_txns > 0 AS total_txns, total_bytes > 0 AS total_bytes FROM pg_stat_replication_slots; + +SELECT pg_stat_reset_replication_slot('regression_slot'); + +-- non-spilled xact +INSERT INTO stats_test values(generate_series(1, 10)); +SELECT wait_for_decode_stats(false, false); +SELECT slot_name, spill_txns = 0 AS spill_txns, spill_count = 0 AS spill_count, total_txns > 0 AS total_txns, total_bytes > 0 AS total_bytes FROM pg_stat_replication_slots; -- Ensure stats can be repeatedly accessed using the same stats snapshot. See -- https://postgr.es/m/20210317230447.c7uc4g3vbs4wi32i%40alap3.anarazel.de @@ -66,6 +86,6 @@ SELECT slot_name FROM pg_stat_replication_slots; SELECT slot_name FROM pg_stat_replication_slots; COMMIT; -DROP FUNCTION wait_for_decode_stats(bool); +DROP FUNCTION wait_for_decode_stats(bool, bool); DROP TABLE stats_test; SELECT pg_drop_replication_slot('regression_slot'); |