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33 lines
1.3 KiB
SQL
33 lines
1.3 KiB
SQL
SET send_logs_level = 'none';
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DROP TABLE IF EXISTS test.test;
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CREATE TABLE test.test(date Date, id Int8, name String, value Int64, sign Int8) ENGINE = CollapsingMergeTree(sign) ORDER BY (id, date);
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INSERT INTO test.test VALUES('2000-01-01', 1, 'test string 1', 1, 1);
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INSERT INTO test.test VALUES('2000-01-01', 2, 'test string 2', 2, 1);
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SET enable_optimize_predicate_expression = 1;
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SELECT '-------ENABLE OPTIMIZE PREDICATE-------';
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SELECT * FROM (SELECT * FROM test.test FINAL) WHERE id = 1;
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SELECT * FROM (SELECT * FROM test.test LIMIT 1) WHERE id = 1;
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SELECT * FROM (SELECT id FROM test.test GROUP BY id LIMIT 1 BY id) WHERE id = 1;
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SET force_primary_key = 1;
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SELECT '-------FORCE PRIMARY KEY-------';
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SELECT * FROM (SELECT * FROM test.test FINAL) WHERE id = 1; -- { serverError 277 }
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SELECT * FROM (SELECT * FROM test.test LIMIT 1) WHERE id = 1; -- { serverError 277 }
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SELECT * FROM (SELECT id FROM test.test GROUP BY id LIMIT 1 BY id) WHERE id = 1; -- { serverError 277 }
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SELECT '-------CHECK STATEFUL FUNCTIONS-------';
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SELECT n, z, changed FROM (
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SELECT n, z, runningDifferenceStartingWithFirstValue(n) AS changed FROM (
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SELECT ts, n,z FROM system.one ARRAY JOIN [1,3,4,5,6] AS ts,
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[1,2,2,2,1] AS n, ['a', 'a', 'b', 'a', 'b'] AS z
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ORDER BY n, ts DESC
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)
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) WHERE changed = 0;
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DROP TABLE IF EXISTS test.test;
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