Re: [HACKERS] PQdeleteTuple function in libpq

Hello, Alvaro.

You wrote:

AH> Excerpts from Andrew Chernow's message of jue jun 02 10:12:40 -0400 2011:

>> > Andrew, why we have PQmakeEmptyPGresult, PQcopyResult,
>> > PQsetResultAttrs, PQsetvalue and PQresultAlloc in this case? Of course
>> > there's no big deal with their absence but let's be consistent.
>>
>> I'm not entirely sure what you are trying to do, but can't you use
>> PQmakeEmptyPGresult, PQsetResultAttrs and PQsetvalue to construct a
>> result that excludes the tuples you don't want followed by a
>> PQclear(initial_result)?

AH> Seems pretty wasteful if you want to delete a single tuple from a large
AH> result. I think if you desired to compact the result to free some
AH> memory after deleting a large fraction of the tuples in the result it
AH> could be useful to do that, otherwise just live with the unused holes in
AH> the storage area as suggested by Pavel.

Totally! Thanks Alvaro.

--
With best wishes,
Pavel mailto:pavel(at)gf(dot)microolap(dot)com