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20 lines
854 B
SQL
20 lines
854 B
SQL
DROP TABLE IF EXISTS sample_00579_1;
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DROP TABLE IF EXISTS sample_00579_2;
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DROP TABLE IF EXISTS sample_merge_00579;
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set allow_deprecated_syntax_for_merge_tree=1;
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CREATE TABLE sample_00579_1 (x UInt64, d Date DEFAULT today()) ENGINE = MergeTree(d, intHash64(x), intHash64(x), 10);
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CREATE TABLE sample_00579_2 (x UInt64, d Date DEFAULT today()) ENGINE = MergeTree(d, intHash64(x), intHash64(x), 10);
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INSERT INTO sample_00579_1 (x) SELECT number AS x FROM system.numbers LIMIT 1000;
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INSERT INTO sample_00579_2 (x) SELECT number AS x FROM system.numbers LIMIT 2000;
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CREATE TABLE sample_merge_00579 AS sample_00579_1 ENGINE = Merge(currentDatabase(), '^sample_00579_\\d$');
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SET max_threads = 1;
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SELECT _sample_factor FROM merge(currentDatabase(), '^sample_00579_\\d$');
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DROP TABLE sample_00579_1;
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DROP TABLE sample_00579_2;
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DROP TABLE sample_merge_00579;
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