MURMUR_HASH3_32

murmur_hash3_32

description

Syntax

INT MURMUR_HASH3_32(VARCHAR input, ...)

Return the 32 bits murmur3 hash of input string.

Note: When calculating hash values, it is more recommended to use xxhash_32 instead of murmur_hash3_32.

example

mysql> select murmur_hash3_32(null);
+-----------------------+
| murmur_hash3_32(NULL) |
+-----------------------+
|                  NULL |
+-----------------------+

mysql> select murmur_hash3_32("hello");
+--------------------------+
| murmur_hash3_32('hello') |
+--------------------------+
|               1321743225 |
+--------------------------+

mysql> select murmur_hash3_32("hello", "world");
+-----------------------------------+
| murmur_hash3_32('hello', 'world') |
+-----------------------------------+
|                         984713481 |
+-----------------------------------+

keywords

MURMUR_HASH3_32,HASH