Steve V <dndlists@gmail.com> writes:
> Well it doesn't explicitly do it, so the only thing I could think of
> is that it has something to do with the pltcl spi_exec calls?
Ah, you had not even mentioned that the trigger was in pltcl.
spi_exec runs everything in subtransactions as of 8.0, so that
it can catch errors and propagate them back as Tcl errors.
regards, tom lane
