Re: convert function

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От Jan Sunavec
Тема Re: convert function
Дата
Msg-id op.t28d9zq4c8yns6@akela-pc.chello.sk
обсуждение исходный текст
Ответ на Re: convert function  ("Pavel Stehule" <pavel.stehule@gmail.com>)
Список pgsql-general
Thanks a lot

Lots like nice a easy solution.. I am not sure if this is fast solution..
Many convertions you know.. :-(
Thanks a lot anyway.

   John

On Wed, 12 Dec 2007 17:13:01 +0100, Pavel Stehule
<pavel.stehule@gmail.com> wrote:

> Hello
>
> It's look like SQL_ASCII support diacritic chars now. First you have
> to encode from bytea to text
>
> postgres=# SELECT encode(convert('ján', 'UNICODE',
> 'SQL_ASCII'),'escape');
>  encode
> --------
>  ján
> (1 row)
>
> you wont
> postgres=# SELECT to_ascii(encode(convert_to('ján',
> 'latin2'),'escape'),'latin2');
>  to_ascii
> ----------
>  jan
> (1 row)
>
> Regards
> Pavel Stehule
>
>
>
> convert do conversion from text to bytea type. For diacritic
> elimination use to_ascii function:
>
> postgres=# select to_ascii(convert('Příliš žlutý kůň' using
> utf8_to_iso_8859_2),'latin2');
>      to_ascii
> ------------------
>  Prilis zluty kun
> (1 row)
>
>
> On 12/12/2007, Jan Sunavec <jan.sunavec@gmail.com> wrote:
>> Hi all
>>
>> I have problem with "convert" function. Previous behaviour was
>> SELECT convert('ján', 'UNICODE', 'SQL_ASCII');
>> =======================================
>> jan
>>
>> In postgresql 8.3 is quite new behaviour.
>> SELECT convert('ján', 'UNICODE', 'SQL_ASCII');
>> ======================================
>> "j\241n"
>>
>> This, drives me crazy. I mean, this is not useable for non english
>> country. I don't need convert to \241 characters. I understand that
>> someone need this behavour. But there should be possibility switch to
>> "normal" behaviour.
>>
>>    John
>>
>> ---------------------------(end of broadcast)---------------------------
>> TIP 9: In versions below 8.0, the planner will ignore your desire to
>>        choose an index scan if your joining column's datatypes do not
>>        match
>>



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