ClickHouse/tests/queries/0_stateless/01451_detach_drop_part.sql

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