Re: libpq: PQcmdStatus, PQcmdTuples signatures can be painlessly improved

Excerpts from Alex Goncharov's message of mar dic 13 13:43:35 -0300 2011:

> I.e., can one tell me to bother or not with the complete patch, based
> on the general idea, which wouldn't change for the complete patch?

So let's see the patch.  In context diff format please, and also include
in-tree changes to the callers of those functions, if any are necessary.

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Álvaro Herrera <alvherre@commandprompt.com>
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