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Fix the logical streaming test.

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Commit 7259736a6e added the capability to stream changes in ReorderBuffer
which has some tests to test the streaming mode. It is quite possible that
while this test is running a parallel transaction could be logged by
autovacuum. Such a transaction won't perform any insert/update/delete to
non-catalog tables so will be shown as an empty transaction. Fix it by
skipping the empty transactions during this test.

Per report by buildfarm.
This commit is contained in:
Amit Kapila
2020-08-08 12:13:18 +05:30
parent a13421c96c
commit 82a0ba7707
2 changed files with 4 additions and 4 deletions
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4
contrib/test_decoding/expected/stream.out
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@ -26,7 +26,7 @@ TRUNCATE table stream_test;
rollback to s1;
INSERT INTO stream_test SELECT repeat('a', 10) || g.i FROM generate_series(1, 20) g(i);
COMMIT;
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL, 'include-xids', '0', 'stream-changes', '1');
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'stream-changes', '1');
data
----------------------------------------------------------
opening a streamed block for transaction
@ -67,7 +67,7 @@ SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'inc
(0 rows)
INSERT INTO stream_test SELECT repeat('a', 6000) || g.i FROM generate_series(1, 10) g(i);
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL, 'include-xids', '0', 'stream-changes', '1');
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'stream-changes', '1');
data
------------------------------------------
opening a streamed block for transaction