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22 lines
702 B
SQL
22 lines
702 B
SQL
-- Regression test when Join stores data on disk and receive empty block.
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-- Because of this it does not create empty file, while expect it.
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SET max_threads = 1;
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SET join_algorithm = 'auto';
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SET max_rows_in_join = 1000;
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SET optimize_aggregation_in_order = 1;
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SET max_block_size = 1000;
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DROP TABLE IF EXISTS join_on_disk;
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SYSTEM STOP MERGES join_on_disk;
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CREATE TABLE join_on_disk (id Int) Engine=MergeTree() ORDER BY id;
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INSERT INTO join_on_disk SELECT number as id FROM numbers_mt(50000);
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INSERT INTO join_on_disk SELECT number as id FROM numbers_mt(1000);
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SELECT id FROM join_on_disk lhs LEFT JOIN (SELECT id FROM join_on_disk GROUP BY id) rhs USING (id) FORMAT Null;
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DROP TABLE join_on_disk;
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