David Blasby <[EMAIL PROTECTED]> writes:
> The only real problem is that the user has to manual keep stats
> up-to-date. Is there anyway to attach something to VACUUM ANALYSE?
The ANALYZE code is set up with the idea that there could be multiple
analysis methods and various kinds of stuff stored in pg_statistic.
Right now there isn't any way to physically plug in a different analysis
routine :-( but it seems like it'd be reasonable to add some hook of
that kind. Perhaps CREATE TYPE could be extended to specify an analysis
routine for ANALYZE to call for columns of that type.
Please take a look at pg_statistic.h and commands/analyze.c and see if
this would do the job for you. Obviously it's too late for 7.4 but we
could think about a solution in 7.5.
regards, tom lane
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