Re: [pgadmin-hackers] Patch from RM1983 [pgAdmin4]
От | Harshal Dhumal |
---|---|
Тема | Re: [pgadmin-hackers] Patch from RM1983 [pgAdmin4] |
Дата | |
Msg-id | CAFiP3vxyX9V8i=vvFGpJLF6BepszWHq8ta+NH6iT9Uvjevr_5g@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: [pgadmin-hackers] Patch from RM1983 [pgAdmin4] (Dave Page <dpage@pgadmin.org>) |
Ответы |
Re: [pgadmin-hackers] Patch from RM1983 [pgAdmin4]
|
Список | pgadmin-hackers |
Hi Dave,
--
Harshal Dhumal
Software Engineer
On Mon, Feb 6, 2017 at 6:48 PM, Dave Page <dpage@pgadmin.org> wrote:
Hi
On Mon, Feb 6, 2017 at 12:57 PM, Harshal Dhumal
<harshal.dhumal@enterprisedb.com> wrote:
> Hi,
>
> Please find attached patch for RM 1983.
>
> This issue only occurs when database encoding is other than utf-8
>
> Also other issue was when we use connection of database with encoding other
> than utf-8 to retrieve data from cluster table/s which has encoding utf-8
> (e.g. pg_database) then data was not decoded properly.
The code makes an assumption that pg_database is always utf-8 encoded.
I don't believe that is correct - I believe it's the encoding used in
the database from which the new database was created. The general
advice is that users should avoid using non-7bit ASCII characters in
shared catalogs, e.g. databases and comments etc.
Ok.
Let me split this into two issues:
i) RM1983 for which I have attached updated patch. (basically I removed changes related to decode data retried from pg_database when connection encoding is other than utf-8)
ii) Support to allow user to use non-&bit ASCII characters in shared catalogs with the help of pgAdmin4.
Regarding your statement about pg_database "I believe it's the encoding used in the database from which the new database was created.". I found it little-bit confusing for me (correct me if i'm wrong); As mentioned here there is only one copy of pg_database per cluster. So I assume pg_database is created when we initialize database cluster and not when we create new database.
See https://www.postgresql.org/message-id/flat/ 20160216163833.GF31273% 40momjian.us#20160216163833. GF31273@momjian.us
for more info for example.
Did pgAdmin 3 just assume it was UTF-8? I suspect it did - and that
just happened to work in most cases.
--
Dave Page
Blog: http://pgsnake.blogspot.com
Twitter: @pgsnake
EnterpriseDB UK: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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