Greg Stark <gsstark(at)mit(dot)edu> writes:
> This seems like a irregularity in the API that makes sense only from an
> implementation point of view.
You are attacking a straw man. This does *not* "make sense from an
implementation point of view" --- it's easier to have just one command
(and in fact that is what is in CVS tip). The proposal to use different
commands was advanced on the grounds that it's a more user-friendly API.
regards, tom lane