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33 lines
551 B
MySQL
33 lines
551 B
MySQL
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SELECT sign(0);
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SELECT sign(1);
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SELECT sign(-1);
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DROP TABLE IF EXISTS test;
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CREATE TABLE test(
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n1 Int32,
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n2 UInt32,
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n3 Float32,
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n4 Float64,
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n5 Decimal32(5)
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) ENGINE = Memory;
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INSERT INTO test VALUES (1, 2, -0.0001, 1.5, 0.5) (-2, 0, 2.5, -4, -5) (4, 5, 5, 0, 7);
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SELECT 'sign(Int32)';
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SELECT sign(n1) FROM test;
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SELECT 'sign(UInt32)';
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SELECT sign(n2) FROM test;
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SELECT 'sign(Float32)';
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SELECT sign(n3) FROM test;
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SELECT 'sign(Float64)';
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SELECT sign(n4) FROM test;
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SELECT 'sign(Decimal32(5))';
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SELECT sign(n5) FROM test;
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DROP TABLE test;
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