Re: postgreSQL UPPER Method is converting the character "µ" into "M"

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От Francisco Olarte
Тема Re: postgreSQL UPPER Method is converting the character "µ" into "M"
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Msg-id CA+bJJbx0NQdKQDw8dQOY+Or0d5m1hnFRBtyc4_KvfPZtG5j30g@mail.gmail.com
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Ответ на postgreSQL UPPER Method is converting the character "µ" into "M"  (Sai Teja <saitejasaichintalapudi@gmail.com>)
Ответы Re: postgreSQL UPPER Method is converting the character "µ" into "M"  (Sai Teja <saitejasaichintalapudi@gmail.com>)
Re: postgreSQL UPPER Method is converting the character "µ" into "M"  ("Peter J. Holzer" <hjp-pgsql@hjp.at>)
Список pgsql-general
On Wed, 6 Sept 2023 at 16:40, Sai Teja <saitejasaichintalapudi@gmail.com> wrote:
> Actually we are migrating the data from DB2 to postgreSQL. So in DB2 the upper method is converting µ as µ only but
notas M. 
> So, while validating the data we have encountered this problem.
>
> We want to have the data in both DB's should be similar (db2 and postgreSQL)
Data seems to be the same, function behaviour is what seems different.

> In my local it is windows OS and locale is English_united_states.1252 and in local it is converting as expected (
testµinto TESTµ) 

Maybe because unicode has GREEK CAPITAL LETTER MU ( 924, which looks
like capital M ), GREEK SMALL LETTER MU ( 956 ) and MICRO SIGN ( 181,
which looks like small mu ) while windows-1252 only has 0xB6 as micro.
OTOH Windows-1253 ( greek ansi ) has all three.

If your small mu are really micro-sign ( which is suspected if youused
1252 ) maybe changing them to that helps ( but I do not have the
resources to test that on hand ).

Francisco Olarte.



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