Re: [cx-oracle-users] Thread commits - do other threads get committed? Use Pooling?

[Chapman, S. <Sco...@pi...>]

-----Original Message-----
From: Amaury Forgeot d'Arc [mailto:ama...@gm...] 
Sent: Tuesday, November 09, 2010 4:01 PM
To: cx-...@li...
Subject: Re: [cx-oracle-users] Thread commits - do other threads get
committed? Use Pooling?

> > 2010/11/10 Chapman, Scott <Sco...@pi...>:
> > If I use pooling, do I need to make the Connections threaded=True?
(I'm
> > thinking no, because each thread will grab a connection from the
pool, 
> > begin and commit a transaction and release it's connection back to
the 
> > pool).

> Yes you need "threaded=True"; this is mostly a signal for the Oracle
> OCI library to synchronize access to shared resources like memory and 
> other global structures.

You're saying the threaded flag is doing more than the cx_Oracle docs
say it does, "indicates whether or not Oracle should use the mode
OCI_THREADED to wrap accesses to connections with a mutex."  This is
supposed to be used when different threads are using a Connection object
simultaneously. If you're got a Connection Pool then each thread
acquires the connection for the duration and so I'm thinking threaded
does not need to be set.  Are you quite sure of your interpretation of
the flag?

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