Tom Lane wrote:
> Jan Wieck <janwieck@yahoo.com> writes:
> >> It seems like it might be possible for libpq (or other clients) to keep
> >> track of the transaction state by paying attention to BEGIN, COMMIT,
> >> ABORT command-completion tags and ERROR messages, but I haven't worked
> >> through the details.
>
> > PQexec(c, "BEGIN; SELECT now()");
>
> > Will there even be a BEGIN command tag sent?
>
> Yes. PQexec doesn't tell you about it, but one comes through. (This
> is certainly true in current sources, and I believe has always been true.)
>
> It'd be nastier if we allowed functions to change the transaction-block
> state, but we don't...
Well, then we don't need a protocol change. Libpq and other
interface libraries could keep track of it without.
Jan
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