Re: Index for similarity search

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On Tue, Jan 16, 2007 at 07:15:58PM +0100, Martijn van Oosterhout wrote:
> On Tue, Jan 16, 2007 at 06:04:07PM +0100, Enrico wrote:
> > Hi,
> > I written an index to improve similarity search like images search, string search etc...
> > My index code is written in C and it is not linked with any dmbs, and I would to connect it to postgresql.
> 
> You probably want to build a GiST index, check the docs.

Especially, have a look at hstore and pg_trgrm. They provide good
examples of how to marry similarity hashes with GiST.

Regards

- -- tomás
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