Re: huge execution time difference with almost same plan - Mailing list pgsql-hackers

From Gaetano Mendola
Subject Re: huge execution time difference with almost same plan
Date
Msg-id 413CBFBA.3090804@bigfoot.com
Whole thread Raw
In response to Re: huge execution time difference with almost same plan  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
Tom Lane wrote:

> Tatsuo Ishii <t-ishii@sra.co.jp> writes:
> 
>>BTW, in 8.0 table spaces allow a table and an index to be placed on
>>different disk devices, which may improve the performance. Is it
>>possible that planner accounts for this in the future.
> 
> 
> I'm not sure how we could model it in any useful way ...
> 

Isn't enough have the related costs for table spaces ?


Regards
Gaetano Mendola







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