xx_hash64
入力文字列の64ビットのXXH64ハッシュ値を返します。
構文
BIGINT XX_HASH64(VARCHAR input, ...)
例
MySQL > select xx_hash64(null);
+-----------------+
| xx_hash64(NULL) |
+-----------------+
| NULL |
+-----------------+
MySQL > select xx_hash64("hello");
+---------------------+
| xx_hash64('hello') |
+---------------------+
| 2794345569481354659 |
+---------------------+
MySQL > select xx_hash64("hello", "world");
+-----------------------------+
| xx_hash64('hello', 'world') |
+-----------------------------+
| 8004569595807101537 |
+-----------------------------+
関連関数
keyword
XX_HASH64,HASH,XXH64,xxHash