Re: turning off autocommit behavior in psql

Tom Lane has applied this patch and merged it into our code.  Thanks.

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David Van Wie wrote:
> On Thu, 22 Aug 2002, Tom Lane wrote:
> 
> > I believe our intention has been to modify the backend to offer that
> > behavior (with a GUC variable to turn it on or off).  Supporting it
> > only in psql doesn't seem the way to go.
> 
> After playing around with the transaction code for a while, I think I have
> a reasonable idea of how to do this in the backend. This is my first time
> working with the backend code, so it's entirely possible that I'm going
> about this completely wrong, but the change seems to work and pass
> regression tests.
> 
> I added a GUC variable "autocommit" which defaults to true. (Current
> behavior). When it is set to false, the backend should begin a transaction
> block if it is not inside one when executing any command. I did this by
> changing StartTransactionCommand() in backend/access/transam/xact.c to
> call BeginTransactionBlock() after StartTransaction() if it is not
> currently in a transaction block.
> 
> Does this sound like a reasonable approach?
> 
> My first attempt at a patch (to current cvs source) is attached.
> 
> ...dave

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