Re: cvs head initdb hangs on unixware

Would it be reasonable to turn of optimization for this file?

Ken

On Tue, Dec 09, 2008 at 05:47:47PM +0100, ohp@pyrenet.fr wrote:
> On Tue, 9 Dec 2008, Tom Lane wrote:
>
>> Date: Tue, 09 Dec 2008 09:23:06 -0500
>> From: Tom Lane <tgl@sss.pgh.pa.us>
>> To: ohp@pyrenet.fr
>> Cc: Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>,
>>     Zdenek Kotala <Zdenek.Kotala@Sun.COM>,
>>     pgsql-hackers list <pgsql-hackers@postgresql.org>
>> Subject: Re: [HACKERS] cvs head initdb hangs on unixware ohp@pyrenet.fr 
>> writes:
>>> Guess what! with the fprintf .. descending node... in place, everything
>>> goes well. The optimizer definitly does something weird along the
>>> definition/assignement of leftok/rightok..
>>
>> Hmm, so the problem is in that second loop.  The trick is to pick some
>> reasonably non-ugly code change that makes the problem go away.
>>
>> The first thing I'd try is to get rid of the overly cute optimization
>>
>>     int rightnodeno = leftnodeno + 1;
>>
>> and make it just read
>>
>>     int rightnodeno = rightchild(nodeno);
>>
>> If that doesn't work, we might try refactoring the code enough to get
>> rid of the goto, but that looks a little bit tedious.
>>
>>             regards, tom lane
>>
>   I tried that and moving leftok,rightok declaration outside the loop, and 
> refactor the assignement code of leftok, rightok . nothing worked!
>
> Regards,
> -- 
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