Horton

Re: create index regression fail

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Jaime Casanova <jaime@2ndquadrant.com>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2012-01-12T18:59:49Z
Lists: pgsql-hackers

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  1. Improve planner's handling of duplicated index column expressions.

Jaime Casanova <jaime@2ndquadrant.com> writes:
> the query where the regression fails is:

> SELECT count(*) FROM dupindexcols
>   WHERE f1 > 'LX' and id < 1000 and f1 ~<~ 'YX';

> my first theory was that it was because some locale because mine is
> es_EC.UTF-8 but the content of the table doesn't justify that,

[ experiments... ]  Looks like you're wrong about that.  In ec_EC locale
on my machine, the test accepts these rows that are not accepted in C
locale:

  223 | LLKAAA
  738 | LLEAAA

I'll change the lower bound to 'MA' and see if that's any more portable.

			regards, tom lane