Nest Transaction is not supported. And yes, Castor JDO requires the
underneath database to support transaction.
Thomas
-----Original Message-----
>From: Chris Bonham [mailto:[EMAIL PROTECTED]]
>Sent: Thursday, August 02, 2001 8:11 AM
>To: [EMAIL PROTECTED]
>Subject: Re: [castor-dev] 2 questions about transactions --
Database.rollback() and nested Transactions
>
>Sorry, Gilles, I haven't tried nested transaction support in Castor, so I
don't
>know. Maybe someone on the Castor development team could tell let us know?
>
>--
>Chris Bonham
>President/CEO
>Third Eye Consulting, Inc.
>[EMAIL PROTECTED]
>http://www.thirdeyeconsulting.com
>317.823.3686
>317.823.0353 (FAX)
>
>
>Quoting gilles dodinet ([EMAIL PROTECTED]):
>>
>> hi chris,
>>
>> thanks for the reply..
>>
>> i have another question concerning castor : are nested transactions
>> supported (i dont have this feeling but perhaps im wrong)
>>
>> --
>> gilles
>>
>>
>> >From: Chris Bonham <[EMAIL PROTECTED]>
>> >Reply-To: [EMAIL PROTECTED]
>> >To: [EMAIL PROTECTED]
>> >Subject: Re: [castor-dev] 2 questions about transactions --
>> >Database.rollback() and nested Transactions
>> >Date: Thu, 2 Aug 2001 10:48:51 -0400
>> >
>> >MySQL has only supported transactions since 3.23.15. The caveat is that
at
>> >this version and above, transactions are only truly supported by two
>> >different
>> >tables types: InnoDB and BDB (see
>>
>http://www.mysql.com/documentation/mysql/bychapter/manual_Table_types.html#
Table_types),
>> >and those table types are only
>> >installed by default in the MySQL-Max (MySQL++) edition. If you want
>> >transaction support out of the box, try PostgreSQL.
>> >
>> >Hope this helps.
>> >
>> >--
>> >Chris Bonham
>> >President/CEO
>> >Third Eye Consulting, Inc.
>> >[EMAIL PROTECTED]
>> >http://www.thirdeyeconsulting.com
>> >317.823.3686
>> >317.823.0353 (FAX)
>> >
>> >Quoting gilles dodinet ([EMAIL PROTECTED]):
>> > > hi..
>> > > i wanted to know the behavior of nested transactions and, while
testing,
>> >i
>> > > noticed a something strange thing.. if i rollback the transaction,
>> >changes
>> > > are even written to db. is that a known problem with mysql (also
3.23)?
>> > > below the code i used :
>> > >
>> > > //not rolled back
>> > > Database db = jdo.getDatabase();
>> > > db.begin();
>> > > Client client = new Client(31, "marsupilami-sensei", 0);
>> > > db.create(client);
>> > > db.rollback();
>> > >
>> > > i had either another question : if i use nested transactions like
this :
>> > > Database db = jdo.getDatabase();
>> > > Database db2 = jdo.getDatabase();
>> > >
>> > > db.begin();
>> > > Client client = new Client(31, "marsupilami-sensei", 0);
>> > > db.create(client);
>> > >
>> > > db2.begin();
>> > > client.setNom("naru-senpai"); //[1]
>> > > db2.commit();
>> > >
>> > > db.commit();
>> > >
>> > > the point [1] is inner the first transaction, right? so there's no
>> >really
>> > > nested transactions with Castor? am i wrong with theses assumptions?
>> > >
>> > > --
>> > > gilles
>> > >
>> > >
>> > > _________________________________________________________________
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