Search Postgresql Archives

Re: Problem with collector statistic

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



"=?iso-8859-1?Q?Marco_Aur=E9lio_V._da_Silva?=" <marcoprodata@xxxxxxxxx> writes:
> Running a query on 2 database-equal, with the same indices, but with 
> slightly different data, I have a very different result of performance. In 
> one the index is used to make the join, in another it is seqscan.

The fact that one explain includes a Limit step, and the other does not,
says that you are not really issuing the same query in both cases.

			regards, tom lane

---------------------------(end of broadcast)---------------------------
TIP 4: Have you searched our list archives?

               http://archives.postgresql.org/

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Postgresql Jobs]     [Postgresql Admin]     [Postgresql Performance]     [Linux Clusters]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Postgresql & PHP]     [Yosemite]
  Powered by Linux