Re: A bad behavior under autocommit off mode

Tom Lane wrote:
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > The fix only changes the 'make it all one transaction' behavior. It
> > does not effect sending multiple queries in a string ---
>
> Yes it does! The results may change. Also the behavior if later
> commands in the string fail will be different (roll back earlier
> commands vs not).

Right, people are using it, but do they even know that those are all one
transaction? I bet most don't.

> > But I do think the roll-queries-into-one-transaction is
> > strange and should be removed with the patch.
>
> I disagree. This is long-established behavior and no one has complained
> about it. We have gone out of our way to preserve it in past changes;
> I don't like suddenly deciding that backwards compatibility is
> unimportant. Especially not if only one person is in favor of the change.

I asked for some votes.

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