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21 lines
1.0 KiB
SQL
21 lines
1.0 KiB
SQL
DROP TABLE IF EXISTS test.sample_00314_1;
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DROP TABLE IF EXISTS test.sample_00314_2;
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DROP TABLE IF EXISTS test.sample_merge_00314;
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CREATE TABLE test.sample_00314_1 (x UInt64, d Date DEFAULT today()) ENGINE = MergeTree(d, intHash64(x), intHash64(x), 10);
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CREATE TABLE test.sample_00314_2 (x UInt64, d Date DEFAULT today()) ENGINE = MergeTree(d, intHash64(x), intHash64(x), 10);
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SET min_insert_block_size_rows = 0, min_insert_block_size_bytes = 0;
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INSERT INTO test.sample_00314_1 (x) SELECT number AS x FROM system.numbers LIMIT 1000000;
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INSERT INTO test.sample_00314_2 (x) SELECT number AS x FROM system.numbers LIMIT 2000000;
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CREATE TABLE test.sample_merge_00314 AS test.sample_00314_1 ENGINE = Merge(test, '^sample_00314_\\d$');
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SELECT abs(sum(_sample_factor) - 3000000) / 3000000 < 0.001 FROM test.sample_merge_00314 SAMPLE 100000;
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SELECT abs(sum(_sample_factor) - 3000000) / 3000000 < 0.001 FROM merge(test, '^sample_00314_\\d$') SAMPLE 100000;
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DROP TABLE test.sample_00314_1;
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DROP TABLE test.sample_00314_2;
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DROP TABLE test.sample_merge_00314;
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