mysql5.1 hash function(Non-cryptographic)

Some times, we want to use a hash funtion which is non-cryptographic,only create a number value,but mysql can't provide it, so I merge the "One At A Time hashing function" into mysql5.1,it  was originally created by Bob Jenkins.you can get my mysql hash function code from follow url:
http://forge.mysql.com/tools/tool.php?id=334

详细的介绍见我的博客：
http://philipzhong.blogspot.com/ ... h-functionsudf.html


select hash32("A2ff7402d89c1086119bd7f17176ba66EEEEEEEEEEEEEEEEYYYYYYYY8888888888888888888888888888888888888888888888888888888") as hash32
+------------+
| hash32     |
+------------+
| 1143512335 |
+------------+

select hash32("1111111111111111111111111111111111111111") as hash32
+------------+
| hash32     |
+------------+
| 1867344944 |
+------------+

select hash32("aaabbbbbcccc1122228888888888888888888888") as hash32
+------------+
| hash32     |
+------------+
| 2697799865 |
+------------+

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