Re: Bloom index

Robert Haas <robertmhaas@gmail.com>

From: Robert Haas <robertmhaas@gmail.com>
To: Teodor Sigaev <teodor@sigaev.ru>
Cc: Pgsql Hackers <pgsql-hackers@postgresql.org>
Date: 2010-01-13T15:15:14Z
Lists: pgsql-hackers
2010/1/13 Teodor Sigaev <teodor@sigaev.ru>:
> CREATE INDEX bloomidx ON tbloom(i1,i2,i3)
>       WITH (length=5, col1=2, col2=2, col3=4);
>
> Here, we create bloom index with signature length 80 bits and attributes
> i1, i2  mapped to 2 bits, attribute i3 - to 4 bits.

This is pretty darn slick.  I haven't looked at the code yet, but the
functionality sounds very cool, and I hope this is something we'll be
able to have as part of PG in the future (though more than likely not
for 8.5, I suspect).

...Robert