select oid from pg_class where relname='foo';
Ketema Harris wrote:
> Does anyone have a function or query that will loop through all the dbs in a
> cluster, gather all the oids for every table, then call
> pg_stat_get_db_blocks_fetched(oid) and pg_stat_get_db_blocks_hit(oid),
> subtracting the latter from the former to get an estimate of kernel read()
> calls? I would like to write on if there is not one already out there, but
> I don¹t know how to find the oid of a table with a query. Where is that
> stored?
>
> Thanks
>
>
>
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> TIP 6: explain analyze is your friend
>
>
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