From: | ries van Twisk <pg(at)rvt(dot)dds(dot)nl> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Ruzsinszky Attila <ruzsinszky(dot)attila(at)gmail(dot)com>, pgsql-novice(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org, Joe Conway <mail(at)joeconway(dot)com> |
Subject: | Re: [NOVICE] LATIN2->UTF8 conversation with dblink |
Date: | 2009-02-02 19:20:43 |
Message-ID: | 8F5CC210-3E84-4557-AC93-5609FEB3B804@rvt.dds.nl |
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Lists: | pgsql-hackers pgsql-novice |
On Feb 2, 2009, at 1:31 PM, Tom Lane wrote:
> Ruzsinszky Attila <ruzsinszky(dot)attila(at)gmail(dot)com> writes:
>> The situation:
>> We've got two machines. The source database (DB) is running on an
>> RHEL
>> 5.x machine
>> with PSQL 8.1.11. The destination DB is running on SuSE 11.0 with
>> PSQL 8.3.x.
>> The mechines are relative far away each other and there is a 2Mbps
>> WAN
>> line between them.
>
>> The DB is the same except the character coding. Source is LATIN2 and
>> the target DB is UTF8.
>> We wrote a trigger to copy the data from source to target with
>> dblink.
>> The problem is the
>> different DB character coding! PGSQL complains about wrong byte
>> order.
>
> Hmm. You can presumably fix this by setting client_encoding in the
> dblink connection to match the encoding in use in the database it's
> called in. But I wonder why dblink doesn't just do that for you
> automatically.
>
> regards, tom lane
>
We did it like this:
INSERT INTO a tbl_datafeed
SELECT
nextval('acc_mkt.tbl_ants_to_ace_feed_row_id_seq'),
convert(project_number::bytea, 'WIN1258'::text, 'UTF8'::text),
convert(project_name::bytea, 'WIN1258'::text, 'UTF8'::text),
...
....
...
FROM dblink('dbname=mydbname host=removehost user=someuser','SELECT
* FROM tbl_datafeed') AS p
(
...
..
...
.)
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