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17 lines
1.1 KiB
MySQL
17 lines
1.1 KiB
MySQL
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SELECT count() FROM (SELECT number AS x FROM system.numbers LIMIT 10);
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SELECT count(x) FROM (SELECT number AS x FROM system.numbers LIMIT 10);
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SELECT count(x, y) FROM (SELECT number AS x, number AS y FROM system.numbers LIMIT 10);
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SELECT count(x) FROM (SELECT CAST(number AS Nullable(UInt64)) AS x FROM system.numbers LIMIT 10);
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SELECT count(x, y) FROM (SELECT CAST(number AS Nullable(UInt64)) AS x, number AS y FROM system.numbers LIMIT 10);
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SELECT count(x, y) FROM (SELECT number AS x, CAST(number AS Nullable(UInt64)) AS y FROM system.numbers LIMIT 10);
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SELECT count(x, y) FROM (SELECT CAST(number AS Nullable(UInt64)) AS x, CAST(number AS Nullable(UInt64)) AS y FROM system.numbers LIMIT 10);
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SELECT count(x) FROM (SELECT nullIf(number, 5) AS x FROM system.numbers LIMIT 10);
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SELECT count(x, y) FROM (SELECT nullIf(number, 5) AS x, number AS y FROM system.numbers LIMIT 10);
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SELECT count(x, y) FROM (SELECT number AS x, nullIf(number, 3) AS y FROM system.numbers LIMIT 10);
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SELECT count(x, y) FROM (SELECT nullIf(number, 5) AS x, nullIf(number, 3) AS y FROM system.numbers LIMIT 10);
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SELECT count(NULL);
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