Anja Klein wrote:
> how can i tell postgres. that it should only create the sample table,
> when the original table to be created has the name "origin" or
> something like that? or that it should only act, if some user wants
> to create the table, not postgres itself?
You would presumably do a str
Hi guys,
during my study i have to du some practical work. i must extend postgresql with some
sampling algorithms. therefore i implemented some trigger functions. it works fine.
but now i have to do some changes concerning the parser, particularly analyze.c . if a
user sends an create table comm
> > I've been reading something about implementation of histograms, and,
> > AFAIK, in practice histograms is just a cool name for no more than:
> >1. top ten with frequency for each
> >2. the same for top ten worse
> >3. average for the rest
Consider, that we only need that info for
> BTW, you can get access to SIGMOD CDs with lots of goodies for a very low
> price (at least in 1999 it was a bargain), check out ACM membership for
> sigmod.
>
> I've been reading something about implementation of histograms, and,
> AFAIK, in practice histograms is just a cool name for no more
> Hi!
>
> About analyze.c:
> If taken out vacuum, couldn't it be completly taken out of pg? Say,
> to an external program? What's the big reason not to do that? I know that
> there is some code in analyze.c (like comparing) that uses other parts of
> pg, but that seems to be easily fixed.
>
