Re: how to extract data from bytea so it is be used in blob for mysql database

Thanks for the replying.

The problem has been narrowed down to restoring a particular table with
Bytea field to Mysql database.
The data in escaped octal is not acceptable. Is there a way to dump the
bytea from posgresql database in hex format? I think it is acceptable by
mysql.exe.

George
-----Original Message-----
From: Raymond O'Donnell [mailto:rod@iol.ie]
Sent: Thursday, May 14, 2009 2:14 PM
To: George Kao
Cc: pgsql-general@postgresql.org
Subject: Re: [GENERAL] how to extract data from bytea so it is be used in
blob for mysql database

On 14/05/2009 14:18, George Kao wrote:
> The platform is WinXP. I have database with fields of bytea in
> Posgresql 8.1. The objective was to transfer the entire databasae
> (schema + data) to Mysql 5.1. I used the pg_dump from Posgresql 8.1 to
> extract the schema and data. With some minor touch-up of the sql
> script generated, I am able to run the script with mysql.exe to store
> the database except for the bytea data...

OK, grand - but you still haven't said what problems you're running into. We
can't really help until you give a bit more detail.

Have you read up on the bytea type in the docs? When you do a text-format
dump, the data in bytea columns is dumped in escaped octal, so you need to
handle this somehow when reloading into MySQL.

Ray.

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