murmur_hash3_64
description
Syntax
BIGINT MURMUR_HASH3_64(VARCHAR input, ...)
Return the 64 bits murmur3 hash of input string.
Note: When calculating hash values, it is more recommended to use xxhash_64 instead of murmur_hash3_64.
example
mysql> select murmur_hash3_64(null);
+-----------------------+
| murmur_hash3_64(NULL) |
+-----------------------+
| NULL |
+-----------------------+
mysql> select murmur_hash3_64("hello");
+--------------------------+
| murmur_hash3_64('hello') |
+--------------------------+
| -3215607508166160593 |
+--------------------------+
mysql> select murmur_hash3_64("hello", "world");
+-----------------------------------+
| murmur_hash3_64('hello', 'world') |
+-----------------------------------+
| 3583109472027628045 |
+-----------------------------------+keywords
MURMUR_HASH3_64,HASH