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select/update performance? - Mailing list pgsql-general

From Bjørn T Johansen
Subject select/update performance?
Date
Msg-id 1068024291.12114.16.camel@pgsqlsrv.havleik.no
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Responses Re: select/update performance?  (Rob Fielding <rob@dsvr.net>)
List pgsql-general
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I need to maintain a manually counter for an id-field, but I can do this
two ways. Either make a counter table (which means one select and one
update) or just selecting the largest id from existing table and
increment by one (just one select + one table lock). Which one is
fastest?


Regards,

BTJ

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