Re: knngist - 0.8 - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: knngist - 0.8
Date
Msg-id 201012230104.oBN14TB07696@momjian.us
Whole thread Raw
In response to Re: knngist - 0.8  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: knngist - 0.8
List pgsql-hackers
Tom Lane wrote:
> Robert Haas <robertmhaas@gmail.com> writes:
> > 2010/9/13 Teodor Sigaev <teodor@sigaev.ru>:
> >> [updated patch]
> 
> > I realize I'm repeating myself, but...  this patch needs
> > documentation.  It's not optional.
> 
> I've applied all of this, and written documentation for all of it,
> except for the contrib/btree_gist additions which still need to be
> redone for the revised API (and then documented!).  My patience ran out
> somewhere around there, so I'm marking that part as returned with
> feedback.
> 
> What we have at this point (pending contrib/btree_gist fixes) is
> nearest-neighbor searching capability for point columns.  And
> trigram-based nearest-neighbor for text strings, if you install
> contrib/pg_trgm.  That doesn't seem like a lot of return for the
> amount of work that went into it.  Are there plans to add KNN support
> for any other standard types?

I was thinking /contrib/fuzzystrmatch could use it to find the words
that mostly closely match a string.

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com
 + It's impossible for everything to be true. +


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