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7 lines
283 B
MySQL
7 lines
283 B
MySQL
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SELECT singleValueOrNull(toNullable(''));
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SELECT singleValueOrNull(toNullable('Hello'));
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SELECT singleValueOrNull((SELECT 'Hello'));
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SELECT singleValueOrNull(toNullable(123));
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SELECT '' = ALL (SELECT toNullable(''));
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SELECT '', ['\0'], [], singleValueOrNull(( SELECT '\0' ) ), [''];
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