Rhys Stewart wrote:
Hi all,
can i search in a list or regular expressioneg
"select yadi from ya where yadiya in ('old', 'ulk', 'orb')"
but instead of in ther'd be another operator or a LIKE IN.
so it'd be a shorcut for typing yadiya ~* 'old' or yadiya ~* 'ulk' etc.
Quoting Bruce Momjian :
>
> Is there a TODO anywhere in this discussion? If so, please let me
> know.
>
Umm... I don't think so. I'm not clear on what TODO means yet. 'Up for
consideration'? If a "TODO" means committing to do, I would prefer to
follow up on a remote-schema (federated server)
Quoting Bruce Momjian :
> Mischa Sandberg wrote:
> > Quoting Bruce Momjian :
> > > Is there a TODO anywhere in this discussion? If so, please let
> me
> > > know.
> > >
> >
> > Umm... I don't think so. I'm not clear on what TOD
Quoting Mark Lewis <[EMAIL PROTECTED]>:
> If the original paper was published in 1984, then it's been more than
> 20 years. Any potential patents would already have expired, no?
Don't know, but the idea is pervasive among different vendors ...
perhaps that's a clue.
And having now read beyond
Quoting Tom Lane <[EMAIL PROTECTED]>:
> Mischa Sandberg <[EMAIL PROTECTED]> writes:
> > The PG hash join is the simplest possible: build a hash table in
> memory, and match an input stream against it.
>
> [ raised eyebrow... ] Apparently you've not read the
Quoting "Jim C. Nasby" <[EMAIL PROTECTED]>:
> Well, in a hash-join right now you normally end up feeding at least
> one
> side of the join with a seqscan. Wouldn't it speed things up
> considerably if you could look up hashes in the hash index instead?
You might want to google on "grace hash" and