哈希函数
PALO支持的哈希函数如下：
MURMUR_HASH3_32
Description
INT MURMUR_HASH3_32(VARCHAR input, ...)- 功能：返回输入字符串的32位murmur3 hash值
- 返回类型：string类型
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