From: | Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: ISO-8859-1 encoding not enforced? |
Date: | 2005-04-13 02:10:32 |
Message-ID: | 425C7F98.8010406@familyhealth.com.au |
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Lists: | pgsql-hackers |
>>Is PostgreSQL supposed to enforce a LATIN1/ISO-8859-1 encoding if that's
>>the database encoding?
>
> AFAIK, there are no illegal characters in 8859-1, except \0 which we
> do reject.
Hmmm...
It turns out I was confused by the developer who reported this issue.
Basically they have a requirement that they only want the parts of
LATIN1 that can be converted to single byte UTF8 (ie. 7bit ascii).
Only about 8 of these high bit characters existed in our database, so I
replaced them and put in a CHECK constraint on a few fields like this:
CHECK (description = convert(description, 'ISO-8859-1', 'UTF-8'))
Can I put in a request for a '7 bit ascii' encoding for PostgreSQL :)
Chris
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