Re: [HACKERS] PostGreSQL v6.2.1 for Linux Alpha

Bruce:

> OK, I have a new idea.  See in utils/hash/hashfn.c:tag_hash, there is
> the line:
>
>             for (; keysize > (sizeof(int) - 1); keysize -= sizeof(int),key++)
>                 h = h * PRIME1 ^ (*key);
>
> Now, since h is a long, shouldn't the for loop be comparing
> sizeof(long)?  However, key is an int*.

How is this a problem?  *key is getting the value of the current pointer
of key.  This means, if key contains a string: "Ooga" and key++, then the
value of *key would be "o" in decimal.  This is a standard hashing
routine, and the problem does not lie here as far as I can see.

-- Ken
------
   =========================================================================
      Houston InterWeb Design, Inc.     ||      Office: +1 (713) 627-9494
      Lead Programmer/Designer          ||         Fax: +1 (713) 627-2744
      C++, Windows, and Web Programming ||       Pager: +1 (713) 727-2529
   =========================================================================
               Home page URL: http://www.houston-interweb.com/