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CRC32

Returns the CRC32 checksum of a string.

Syntax​

CRC32(x)

Arguments​

ArgumentsDescription
xThe argument is expected to be a string and (if possible) is treated as one if it is not.

Return Type​

UInt32.

Examples​

SELECT CRC32('MySQL');
+----------------+
| CRC32('MySQL') |
+----------------+
|     3259397556 |
+----------------+

SELECT CRC32('mysql');
+----------------+
| CRC32('mysql') |
+----------------+
|     2501908538 |
+----------------+

SELECT CRC32(NULL);
+-------------+
| CRC32(NULL) |
+-------------+
|        NULL |
+-------------+

SELECT CRC32(12);
+------------+
| CRC32(12)  |
+------------+
| 1330857165 |
+------------+