On 05/11/2020 08:37, Vlad Khorsun wrote:
> 05.11.2020 11:35, Alex Peshkoff via Firebird-devel пишет:
>> On 11/4/20 6:37 PM, Dimitry Sibiryakov wrote:
>>> 02.11.2020 16:18, Dimitry Sibiryakov wrote:
>>>>    It looks like user name is converted from win1251 into utf-8 one
>>>> time more than needed.
>>>
>>>   I've found the problem. It happens when SRP plugin is trying to
>>> use attachment from login info which charset is not NONE or UTF-8.
>>>   I think the right solution will be always use own connection with
>>> predictable attributes.
>>>   Objections?
>>>
>>
>> That's how it worked before and that caused deadlocks (see
>> http://tracker.firebirdsql.org/browse/CORE-6412).
>> (BTW - fix for 6412 is backported to B3, i.e. it's not fb4-only issue)
>
>   Also, it adds performance penalty.
>
>> Do you have other suggestions ?
>
>   Set attachment's charset to UTF8 while attachment is used by plugin ?
>

Looks like after more than 10 years people see why I insisted that
external engines would need their own connection charset. ;)

Unfortunately when others plugins born the idea was not used in a
general way.


Adriano



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