Re: problem with new autocommit config parameter and jdbc
Rod Taylor <rbt@rbt.ca>
From: Rod Taylor <rbt@rbt.ca>
To: snpe <snpe@snpe.co.yu>
Cc: Stephan Szabo <sszabo@megazone23.bigpanda.com>, "scott.marlowe" <scott.marlowe@ihs.com>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2002-09-11T12:38:44Z
Lists: pgsql-hackers
> > > Why rollback.This is error (typing error).Nothing happen. > > > I think that we need clear set : what is start transaction ? > > > I think that transaction start with change data in database > > > (what don't change data this start not transaction. > > > > Another interesting case for a select is, what about > > select func(x) from table; > > Does func() have any side effects that might change data? > > At what point do we decide that the statement needs a > > transaction? > Function in select list mustn't change any data. > What if function change data in from clause ? Why can't the function change data? I've done this one a number of times through views to log the user pulling out information from the system, and what it was at the time (time sensitive data). -- Rod Taylor