Re: Changing collate & ctype for an existing database

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: rihad <rihad(at)mail(dot)ru>
Cc: Albe Laurenz <laurenz(dot)albe(at)wien(dot)gv(dot)at>, "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>
Subject: Re: Changing collate & ctype for an existing database
Date: 2017-07-12 19:25:56
Message-ID: 24150.1499887556@sss.pgh.pa.us
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rihad <rihad(at)mail(dot)ru> writes:
> What if only English letters are used in the textual indices (ascii
> 0-127), would they still be impacted after datctype&datcollate
> "C"->"en_US.UTF-8" change?

Yes, as even minimal testing would have told you. C sort order is
more case-sensitive, for instance.

regards, tom lane

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