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3 lines
340 B
MySQL
3 lines
340 B
MySQL
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SELECT toUInt64OrZero(s), toUInt64OrNull(s) FROM (SELECT CASE WHEN number % 2 = 1 THEN toString(number) ELSE 'hello' END AS s FROM system.numbers) LIMIT 10;
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SELECT toUInt64OrZero(s), toUInt64OrNull(s) FROM (SELECT CASE WHEN number = 5 THEN NULL WHEN number % 2 = 1 THEN toString(number) ELSE 'hello' END AS s FROM system.numbers) LIMIT 10;
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