Обсуждение: Migrate from mysql

On Mon, Sep 9, 2013 at 5:15 PM, Florent THOMAS <mailinglist@tdeo.fr> wrote:
> Hy folks,
>
> I'm trying to migrate a database running on mysql for the famous
> www.redmine.org from mysql to postgresql.
> I was looking for ressources and I found this :
> http://www.olimpiks.ru/2011/03/redmine-mysqlpostgresql-converter.html
> The process is almost perfect except for the binary datas.
> I have this kind of messages :
>
> psql:redmine_postgres.sql:155714: ERROR:  invalid input syntax for type
> bytea
> LIGNE 1 : ...TO "wiki_content_versions" VALUES (561,108,108,24,E'h1. Proc...
>                                                                ^
> psql:redmine_postgres.sql:155728: ERROR:  invalid input syntax for type
> bytea
> LIGNE 1 : ...TO "wiki_content_versions" VALUES (575,113,113,24,E'h1. Open...
>
> And other like this :
> psql:redmine_postgres.sql:156648: ERROR:  invalid byte sequence for encoding
> "UTF8": 0xda 0x75
> psql:redmine_postgres.sql:156649: ERROR:  invalid byte sequence for encoding
> "UTF8": 0xda 0xcb
> psql:redmine_postgres.sql:156650: ERROR:  invalid byte sequence for encoding
> "UTF8": 0xda 0x2d
> psql:redmine_postgres.sql:156651: ERROR:  invalid byte sequence for encoding
> "UTF8": 0xef 0x6e 0xdb
>
> Does anyone already manage some migration and have some kind of issue on
> bytearray?

Can you supply a small sample of the sql as you are trying to insert
it?  The important part was truncated from your message...

merlin

On 09/09/2013 03:15 PM, Florent THOMAS wrote:
> Hy folks,
>
> I'm trying to migrate a database running on mysql for the famous
> www.redmine.org from mysql to postgresql.
> I was looking for ressources and I found this :
> http://www.olimpiks.ru/2011/03/redmine-mysqlpostgresql-converter.html
> The process is almost perfect except for the binary datas.

What version of Postgres?

> I have this kind of messages :
>
> /psql:redmine_postgres.sql:155714: ERROR:  invalid input syntax for type
> bytea
> LIGNE 1 : ...TO "wiki_content_versions" VALUES (561,108,108,24,E'h1. Proc...
> ^
> psql:redmine_postgres.sql:155728: ERROR: invalid input syntax for type bytea
> LIGNE 1 : ...TO "wiki_content_versions" VALUES (575,113,113,24,E'h1. Open...

The escape format for bytea changed, see here for more information:
http://www.postgresql.org/docs/9.3/interactive/datatype-binary.html

> /
> And other like this :
> /psql:redmine_postgres.sql:156648: ERROR:  invalid byte sequence for
> encoding "UTF8": 0xda 0x75
> psql:redmine_postgres.sql:156649: ERROR: invalid byte sequence for
> encoding "UTF8": 0xda 0xcb
> psql:redmine_postgres.sql:156650: ERROR: invalid byte sequence for
> encoding "UTF8": 0xda 0x2d
> psql:redmine_postgres.sql:156651: ERROR: invalid byte sequence for
> encoding "UTF8": 0xef 0x6e 0xdb
> /

Encoding mismatch. What is the encoding for your source data?


> Does anyone already manage some migration and have some kind of issue on
> bytearray?
>
> Thanks for helping,
>
> regards


--
Adrian Klaver
adrian.klaver@gmail.com