Re: Performance of full outer join in 8.3 - Mailing list pgsql-general

Grzegorz Jaśkiewicz wrote:
> On Wed, Apr 15, 2009 at 1:25 PM, Simon Riggs <simon@2ndquadrant.com> wrote:
>
>> The cost of the query seems accurate, so the absence of
>> attachment_isins_attachment_idx on the 8.3 plan looks to be the reason.
>> There's no way it would choose to scan 8115133 rows on the pkey if the
>> other index was available and usable.
>>
>
> hance my question, if there's index on it in 8.3 version of db.
>
I added an index on this column, but it didn't change the query plan.
Stupid question: Do I have to analyze again or perform a reindex after
adding the index?

Regards,
    Christian

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