On Fri, Jul 08, 2005 at 10:06:23AM -0700, Adam Pritchard wrote:
> Why aren't two single-column indexes used in a two-column ORDER BY
> clause? And is there some way to work around this?
>
> For example:
> CREATE TABLE t ( c1 INT, c2 INT );
> CREATE INDEX c1_idx ON t(c2);
^^^^
> CREATE INDEX c2_idx ON t(c2);
Not that it changes anything, but I assume you meant to create the
first index on c1. I'll defer an explanation of the sequential
scan behavior to somebody who understands the planner better.
--
Michael Fuhr
http://www.fuhr.org/~mfuhr/
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