Re: seq scan in the case of max() on the primary key column

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On 2011-06-16 15:55, Svetlin Manavski wrote:
Hi everybody,

I am running PostgreSQL 9.0 which performs well in most of the cases. I
would skip all the parameters if these are not necessary.

I need to frequently (every min) get the max value of the primary key column
on some tables, like this case which works perfectly well:

explain analyze select max(id) from appqosdata.tcpsessions;

Typically this is due to "batch load" and failing to run "analyze"
manually afterwards.. is this the case?

--
Jesper

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