Re: ICU locales and text/char(n) SortSupport on Windows

Peter Geoghegan <pg@bowt.ie>

From: Peter Geoghegan <pg@bowt.ie>
To: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Cc: PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2017-09-21T19:21:57Z
Lists: pgsql-hackers
On Thu, Sep 21, 2017 at 12:12 PM, Peter Eisentraut
<peter.eisentraut@2ndquadrant.com> wrote:
>> Attached patch shows what I'm getting at. This is untested, since I
>> don't use Windows. Proceed with caution.
>
> Your analysis makes sense, but the patch doesn't work, because "locale"
> is never set before reading it.

It was just for illustrative purposes. Seems fine to actually move the
WIN32 block down to just before the existing TRUST_STRXFRM test, since
the locale is going to be cached and then immediately reused where we
return immediately (Windows libc) anyway. This would also be a win for
clarity, IMV.

-- 
Peter Geoghegan


Commits

  1. Assume wcstombs(), towlower(), and sibling functions are always present.