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24 lines
920 B
SQL
24 lines
920 B
SQL
DROP TABLE IF EXISTS t1;
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CREATE TABLE t1 (`a` UInt32, `b` UInt32, `c` UInt32 ) ENGINE = Memory;
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INSERT INTO t1 VALUES (1, 1, 1), (1, 1, 2), (2, 2, 2), (1, 2, 2);
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SELECT DISTINCT ON (a, b) a, b, c FROM t1;
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SELECT DISTINCT ON (a, b) * FROM t1;
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SELECT DISTINCT ON (a) * FROM t1;
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-- fuzzer will fail, enable when fixed
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-- SELECT DISTINCT ON (a, b) a, b, c FROM t1 LIMIT 1 BY a, b; -- { clientError 62 }
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-- SELECT DISTINCT ON a, b a, b FROM t1; -- { clientError 62 }
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-- SELECT DISTINCT ON a a, b FROM t1; -- { clientError 62 }
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-- "Code: 47. DB::Exception: Missing columns: 'DISTINCT'" - error can be better
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-- SELECT DISTINCT ON (a, b) DISTINCT a, b FROM t1; -- { serverError 47 }
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-- SELECT DISTINCT DISTINCT ON (a, b) a, b FROM t1; -- { clientError 62 }
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-- SELECT ALL DISTINCT ON (a, b) a, b FROM t1; -- { clientError 62 }
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-- SELECT DISTINCT ON (a, b) ALL a, b FROM t1; -- { clientError 62 }
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DROP TABLE IF EXISTS t1;
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