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31 lines
777 B
SQL
31 lines
777 B
SQL
-- https://github.com/ClickHouse/ClickHouse/issues/65548
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DROP TABLE IF EXISTS test_projection_deduplicate;
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CREATE TABLE test_projection_deduplicate
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(
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`id` Int32,
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`string` String,
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PROJECTION test_projection
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(
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SELECT id
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GROUP BY id
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)
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)
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ENGINE = MergeTree
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PRIMARY KEY id;
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INSERT INTO test_projection_deduplicate VALUES (1, 'one');
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INSERT INTO test_projection_deduplicate VALUES (1, 'one');
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OPTIMIZE TABLE test_projection_deduplicate DEDUPLICATE; -- { serverError NOT_IMPLEMENTED }
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SELECT * FROM test_projection_deduplicate;
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ALTER TABLE test_projection_deduplicate DROP PROJECTION test_projection;
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OPTIMIZE TABLE test_projection_deduplicate DEDUPLICATE;
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SELECT * FROM test_projection_deduplicate;
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DROP TABLE test_projection_deduplicate;
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