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Re: Using multidimensional indexes in ordinal queries

Alexander Korotkov <aekorotkov@gmail.com>

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From: Alexander Korotkov <aekorotkov@gmail.com>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Thom Brown <thombrown@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2010-06-22T19:35:45Z
Lists: pgsql-hackers 
 On Tue, Jun 22, 2010 at 1:58 AM, Robert Haas <robertmhaas@gmail.com> wrote:

> It doesn't?   I didn't think it was making any assumptions about the
> ordering data type beyond the fact that it had a default btree
> opclass.
>
Actually, the return type of consistent method was replaced by float8.
Negative values are used for "unconsistent" state. Non-negative values are
used for "consistent" and ordering.