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Merge pull request #66111 from ClickHouse/buffer-flush

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Fix flaky `02814_currentDatabase_for_table_functions`
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Alexey Milovidov 2024-08-01 16:13:32 +00:00 committed by GitHub
commit fc12ce725b
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2 changed files with 13 additions and 2 deletions
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7
tests/queries/0_stateless/02814_currentDatabase_for_table_functions.reference
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@ -11,7 +11,12 @@ CREATE VIEW number_view as SELECT * FROM numbers(10) as tb;
CREATE MATERIALIZED VIEW null_mv Engine = Log AS SELECT * FROM null_table LEFT JOIN number_view as tb USING number;
CREATE TABLE null_table_buffer (number UInt64) ENGINE = Buffer(currentDatabase(), null_table, 1, 1, 1, 100, 200, 10000, 20000);
INSERT INTO null_table_buffer VALUES (1);
SELECT sleep(3) FORMAT Null;
-- OPTIMIZE query should flush Buffer table, but still it is not guaranteed
-- (see the comment StorageBuffer::optimize)
-- But the combination of OPTIMIZE + sleep + OPTIMIZE should be enough.
OPTIMIZE TABLE null_table_buffer;
SELECT sleep(1) FORMAT Null;
OPTIMIZE TABLE null_table_buffer;
-- Insert about should've landed into `null_mv`
SELECT count() FROM null_mv;
1

8
tests/queries/0_stateless/02814_currentDatabase_for_table_functions.sql
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@ -13,7 +13,13 @@ CREATE MATERIALIZED VIEW null_mv Engine = Log AS SELECT * FROM null_table LEFT J
CREATE TABLE null_table_buffer (number UInt64) ENGINE = Buffer(currentDatabase(), null_table, 1, 1, 1, 100, 200, 10000, 20000);
INSERT INTO null_table_buffer VALUES (1);
SELECT sleep(3) FORMAT Null;
-- OPTIMIZE query should flush Buffer table, but still it is not guaranteed
-- (see the comment StorageBuffer::optimize)
-- But the combination of OPTIMIZE + sleep + OPTIMIZE should be enough.
OPTIMIZE TABLE null_table_buffer;
SELECT sleep(1) FORMAT Null;
OPTIMIZE TABLE null_table_buffer;
-- Insert about should've landed into `null_mv`
SELECT count() FROM null_mv;