Peter Eisentraut <[EMAIL PROTECTED]> writes:
> Am Donnerstag, 6. März 2008 schrieb Tom Lane:
>> I attach a proposed patch against HEAD for this. It's a bit long
>> but most of the bulk is refactoring eqsel() to make it easy to use from
>> prefix_selectivity(). The intellectual content is just in
Am Donnerstag, 6. März 2008 schrieb Tom Lane:
> I attach a proposed patch against HEAD for this. It's a bit long
> but most of the bulk is refactoring eqsel() to make it easy to use from
> prefix_selectivity(). The intellectual content is just in the last
> diff hunk.
Looking at the patch as com
Am Donnerstag, 6. März 2008 schrieb Tom Lane:
> To help out Peter's client, who's running 8.1.x, we'd have to backpatch
> at least that far. We backpatched the last round of LIKE selectivity
> fixes to 8.1, so I don't have too much hesitation about doing the same
> here.
Thanks for the offer. Pe
Peter complained awhile back about unrealistically small selectivity
estimates for LIKE with a fixed-prefix pattern:
http://archives.postgresql.org/pgsql-hackers/2007-12/msg00939.php
I had suspected that this was related to the locale-specific problems
we fixed a few months ago, but having finally
