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Posted to ojb-user@db.apache.org by Thierry Hanot <th...@infovista.com> on 2004/09/07 17:35:42 UTC

RE: Pbm With OJB Platform : Apolgy

All what I ask for is in the source code ( also in javadoc ) of each
platform. 
Sorry .

Thierry 

-----Original Message-----
From: Thierry Hanot [mailto:thanot@infovista.com] 
Sent: Monday, September 06, 2004 8:55 AM
To: 'OJB Users List'
Subject: Pbm With OJB Platform


Hello 
Just For Info :
In our application we are  mixing OJB and JDBC access in the front of an
Oracle 9i RDBMS. Our use of jdbc is for doing batch update/insert in an
optimal way. We use standard batching instead of oracle batching. Since we
use the oracle9i plateform our process dump some very strange errors, very
hard to debug.

After looking the code of the oracle9i plateform, we just realized that the
oracle9i plateform use the oracle batching which is not compatbile with the
standard batching.

There is 2 points here :
	- is it possible to have in the OJB documentation a description of
each RDBMS supported, which optimization are used and mostly which
limitation they have .
	- May be i 'm a bit to strict, but forbid the use of standard
batching is not the philosophy of ojb. Ojb want to be generic in the front
of many RDBM but the use of a plateform( oracle 9i) introduce some
restrictions (do not use the Batch update or use plateform specific batch
update in my case) which seems to be too limiting.


Since we have reverting the plateform description to standard Oracle , we
have no more problem. But we can do this because we did our own
implementation of Blob management( because we want to use streaming for
avoiding to have the full blob in memory ... ).


Anyway thanks for OJB. Except this few point everything our project is
working fine...

B.R 

Thierry Hanot 


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