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43 lines
904 B
SQL
43 lines
904 B
SQL
DROP TABLE IF EXISTS mt;
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CREATE TABLE mt (v UInt8) ENGINE = MergeTree() order by tuple();
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SYSTEM STOP MERGES mt;
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INSERT INTO mt VALUES (0);
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INSERT INTO mt VALUES (1);
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INSERT INTO mt VALUES (2);
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SELECT v FROM mt ORDER BY v;
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ALTER TABLE mt DETACH PART 'all_100_100_0'; -- { serverError 232 }
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ALTER TABLE mt DETACH PART 'all_2_2_0';
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SELECT v FROM mt ORDER BY v;
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SELECT name FROM system.detached_parts WHERE table = 'mt';
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ALTER TABLE mt ATTACH PART 'all_2_2_0';
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SELECT v FROM mt ORDER BY v;
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SELECT name FROM system.detached_parts WHERE table = 'mt';
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SELECT '-- drop part --';
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ALTER TABLE mt DROP PART 'all_4_4_0';
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ALTER TABLE mt ATTACH PART 'all_4_4_0'; -- { serverError 233 }
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SELECT v FROM mt ORDER BY v;
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SELECT '-- resume merges --';
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SYSTEM START MERGES mt;
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OPTIMIZE TABLE mt FINAL;
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SELECT v FROM mt ORDER BY v;
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SELECT name FROM system.parts WHERE table = 'mt' AND active;
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DROP TABLE mt;
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