Tom Lane writes:> Peter Eisentraut <peter_e@gmx.net> writes:
> > I don't really get the point of the SHOW STATISTICS command. There is> > already a command whose purpose is to
retrievedata in tabular form,> > namely SELECT.> > I presume we need not worry about that, since the SQL committee are>
certainlynot going to standardize something that's only there for> DBs that don't support information_schema.> >
Actually,the idea of standardizing anything at all in this area seems> pretty bogus. The events that are interesting
tomeasure are below the> semantic level of the standard --- for instance, how are you going to> count index searches,
whenthe standard doesn't even recognize the> existence of indexes? Let alone things like buffer cache hits, which is>
aconcept that might not exist at all in some implementations. I think> we can safely assume that the proposed
standardizationeffort will go> nowhere, and just look at whether this is interesting for Postgres.>
Thanks for the feedback. I do agree, and sorry for any
confusion, the SHOW syntax was not meant for standardization at the
SQL level. We will keep your other remarks in mind as we proceed.
Best regards!
-- John
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