Date: Tue, 7 Dec 2010 14:10:28 -0600
From: Kenneth Marshall <ktm@rice.edu>
To: Richard Broersma <richard.broersma@gmail.com>
Cc: Andy Colson <andy@squeakycode.net>, Justin Pitts <justinpitts@gmail.com>,
	pgsql-performance@postgresql.org
Subject: Re: Compared MS SQL 2000 to Postgresql 9.0 on Windows
Message-ID: <20101207201028.GE4028@aart.is.rice.edu>
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On Tue, Dec 07, 2010 at 11:56:51AM -0800, Richard Broersma wrote:
> On Tue, Dec 7, 2010 at 11:43 AM, Andy Colson <andy@squeakycode.net> wrote:
> 
> > In PG the first statement you fire off (like an "insert into" for example)
> > will start a transaction. ?If you dont commit before you disconnect that
> > transaction will be rolled back. ?Even worse, if your program does not
> > commit, but keeps the connection to the db open, the transaction will stay
> > open too.
> 
> Huh - is this new?  I always thought that every statement was wrapped
> in its own transaction unless you explicitly start your own.  So you
> shouldn't need to commit before closing a connection if you never
> opened a transaction to begin with.
> 
> 
> -- 
> Regards,
> Richard Broersma Jr.
> 

The default of autocommit unless explicitly starting a transaction with
BEGIN is the normal behavior that I have seen as well.

Cheers,
Ken