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NULLIF

Applies to ✅ Open Source Edition   ✅ Express Edition   ✅ Professional Edition   ✅ Enterprise Edition

The NULLIF() function produces a NULL value if both its arguments are equal, otherwise it produces the first argument.

SELECT nullif(1, 1), nullif(1, 2);
create.select(nullif(1, 1), nullif(1, 2)).fetch();

The result being

+--------+--------+
| nullif | nullif |
+--------+--------+
|        |      1 |
+--------+--------+

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