Re: It looks like transaction, but it isn't transaction

On Wed, Aug 26, 2009 at 05:06:27AM +0400, Sergey Samokhin wrote:
> There is one thing I find especially interesting: queries I pass to
> the pgsql:squery() are executed with some properties specific to
> transactions!

This behavior seems to be what libpq exposes by default:

  http://www.postgresql.org/docs/current/static/libpq-exec.html

Not sure if it's actually PG imposing these semantics or the libpq driver
itself.  I'd guess it's PG and that's why you're seeing the strange lack
of support for savepoints.

> I'm going to rely on this behaviour as "transactions without
> SAVEPOINT/ROLLBACK TO" in some cases but I'm a bit afraid of troubles
> that may appear in the future.

I always tend to bracket things in an explicit BEGIN+COMMIT, why
wouldn't you do this?

-- 
  Sam  http://samason.me.uk/