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Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys

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Arne Vajhøj <arne@vajhoej.dk> wrote:
> On 12/21/2013 5:56 PM, Arved Sandstrom wrote:
>> On 12/21/2013 04:04 PM, Arne Vajhøj wrote:
>>> On 12/21/2013 1:59 PM, Arved Sandstrom wrote:
>>>> On 12/20/2013 08:08 PM, Arne Vajhøj wrote:
>>>>> On 12/20/2013 9:07 AM, Andreas Leitgeb wrote:
>>>>>> [...] or is there really a concept of multiple ResultSets,
>>>>>> each of which has its own independent set of rows?
>>>>> Yes.
>>>>> Some databases support stored procedures returning multiple
>>>>> result sets.
>>>> This might just be me, but I dislike the entire idea. I am aware of the
>>>> possibility, I've never used it. To me a stored proc (SP) should adhere
>>>> to the same principles as functions or procedures - you try to simplify
>>>> your components (and your application) by not having them do multiple
>>>> things (side-effects, overly complex return values etc).
>>> I can follow you.
>>> But I have seen SP's return 20+ result sets.
>>> I guess that the argument is to save round trips.
>> No doubt. I've never been compelled to use multiple result sets myself.
>> I haven't not once encountered a project where anyone felt the need to
>> use multiple result sets. So I actually Googled to find out what the
>> rationale is.
>> The other is stored procs returning multiple result sets. I had no
>> success finding any article that provided motivation for the concept:
>> the authors of a few articles did mention that they wished not to
>> explain *why*, but just *how*...which is faint praise in my books. :-)
>> This particular concept seems to me to be much more "we can do this, so
>> we will".
> http://msdn.microsoft.com/en-us/data/jj691402.aspx
> http://stackoverflow.com/questions/2336362/execute-multiple-sql-commands-in-one-round-trip
> do mention the round trip aspect.

Thanks for this insightful thread about pros (saving round-trips) 
and cons (not "KISS") of the multiple-resultsets concept.

Fortunately, it's something that I will likely not have to deal with
within my current task. :)

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JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2013-12-20 14:07 +0000
  Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys lipska the kat <"lipskathekat at yahoo dot co dot uk"> - 2013-12-20 16:29 +0000
    Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Andreas Leitgeb <avl@auth.logic.tuwien.ac.at> - 2014-03-05 14:10 +0000
      Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys lipska the kat <lipskathekat@example.com> - 2014-03-05 20:34 +0000
        Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Andreas Leitgeb <avl@auth.logic.tuwien.ac.at> - 2014-03-11 15:04 +0000
      Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Arne Vajhøj <arne@vajhoej.dk> - 2014-03-11 20:02 -0400
        Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Andreas Leitgeb <avl@auth.logic.tuwien.ac.at> - 2014-03-12 00:13 +0000
  Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Arne Vajhøj <arne@vajhoej.dk> - 2013-12-20 19:08 -0500
    Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Robert Klemme <shortcutter@googlemail.com> - 2013-12-21 10:15 +0100
      Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Arne Vajhøj <arne@vajhoej.dk> - 2013-12-21 10:59 -0500
        Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Robert Klemme <shortcutter@googlemail.com> - 2013-12-21 17:14 +0100
          Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Arne Vajhøj <arne@vajhoej.dk> - 2013-12-21 12:19 -0500
    Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Arved Sandstrom <asandstrom2@eastlink.ca> - 2013-12-21 14:59 -0400
      Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Arne Vajhøj <arne@vajhoej.dk> - 2013-12-21 15:04 -0500
        Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Arved Sandstrom <asandstrom2@eastlink.ca> - 2013-12-21 18:56 -0400
          Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Arne Vajhøj <arne@vajhoej.dk> - 2013-12-21 18:33 -0500
            Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2013-12-22 11:24 +0000
  Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Arne Vajhøj <arne@vajhoej.dk> - 2013-12-20 19:14 -0500
    Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2013-12-21 09:43 +0000
      Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Joerg Meier <joergmmeier@arcor.de> - 2013-12-21 11:59 +0100
      Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Arne Vajhøj <arne@vajhoej.dk> - 2013-12-21 09:15 -0500
        Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2013-12-21 21:43 +0000
          Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Arne Vajhøj <arne@vajhoej.dk> - 2013-12-21 17:34 -0500
            Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2013-12-22 00:47 +0000
              Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Arne Vajhøj <arne@vajhoej.dk> - 2013-12-21 20:10 -0500
                Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Arne Vajhøj <arne@vajhoej.dk> - 2013-12-21 22:45 -0500
                Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2013-12-22 10:59 +0000
                Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Arne Vajhøj <arne@vajhoej.dk> - 2013-12-22 20:09 -0500
                Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2013-12-22 11:08 +0000
    Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Robert Klemme <shortcutter@googlemail.com> - 2013-12-21 11:46 +0100
      Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Arne Vajhøj <arne@vajhoej.dk> - 2013-12-21 13:44 -0500
  Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys firstsql@gmail.com - 2014-03-12 20:23 -0700
    Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Arne Vajhøj <arne@vajhoej.dk> - 2014-05-11 22:10 -0400
      Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Marcel Müller <news.5.maazl@spamgourmet.org> - 2014-05-12 18:29 +0200
        Re: JDBC: getMoreResults() versus rs.next() & autoGeneratedKeys Arne Vajhøj <arne@vajhoej.dk> - 2014-05-13 20:43 -0400

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