Tom Lane wrote:
> Dennis Bjorklund <db@zigo.dhs.org> writes:
>> Could we make BEGIN fail when we already are in a transaction?
>
> We could, but it'd probably break about as many apps as it fixed.
I'd say that a program that issues BEGIN inside a transaction is
already broken, if only by design.
I think that the benefit of forced consistency in your transaction
handling
and standard compliance outweighs the disadvantage of breaking
compatibility.
Yours,
Laurenz Albe