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Re: Committed updates don't seem to be committed.

From: Frank Kurzawa <fkurzawa(at)topazsoftware(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: mike(at)thegodshalls(dot)com, pgsql-novice(at)postgresql(dot)org
Subject: Re: Committed updates don't seem to be committed.
Date: 2004-06-23 12:21:15
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-novice
Let's assume that there is a bug in hibernate that is causing it to 
start a transaction behind my back. I'm trying to understand what 
footprints it would leave and I see three possibilities:
a) It later commits the transaction behind my back
b) It later rolls back the transaction behind my back
c) It just leaves the transaction uncommitted/unrolledback/just 
dangling out there.

for a): I don't think this could be happening or my data would actually 
be in the database
for b): I don't think this could be happening or I would see evidence 
of the rollback in the pgsql log

That leaves (c): What would this look like?
If I do a 'ps -efl' should I find a postgres process in a particular 
state? ('idle waiting on transaction', 'idle in transaction', or 
something else)?
Should there be some other footprints lying around that I can look at? 
Some record of the pending transaction in some postgres system tables? call me clueless if you like, because I AM clueless. LOL



On Jun 23, 2004, at 12:20 AM, Tom Lane wrote:
> You should definitely not ignore the possibility that Hibernate is
> broken (or to put it more politely, hasn't fully debugged its 
> PostgreSQL
> interface module).  I do not recall hearing from any satisfied users of
> Hibernate-on-Postgres before ... in fact I never heard of Hibernate
> before ... so call me clueless if you like, but a few rough edges in 
> the
> interface don't seem too implausible from here.
> 			regards, tom lane

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