Re: libpq - PQsendQuery wait for complete result

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От icholy
Тема Re: libpq - PQsendQuery wait for complete result
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Msg-id 1354284204320-5734321.post@n5.nabble.com
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Ответ на Re: libpq - PQsendQuery wait for complete result  ("Albe Laurenz" <laurenz.albe@wien.gv.at>)
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Albe Laurenz *EXTERN* wrote
> If you have a single SQL statement, you will get only one
> PQresult.  You get more than one if you send a query string
> with more than one statement, e.g.
>
> PQsendQuery(conn, "SELECT 42; SELECT 'Hello'");
>
> would result in two PQresults.
>
> You can get multiple PQresults only using asynchronous
> command processing; the corresponding PQexec would return
> only the PQresult of the *last* statement executed.
>
> So you can get the same behaviour as PQexec by discarding
> all PQresults except for the last one.
>
> Yours,
> Laurenz Albe
>
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That makes sense. Thanks for teh quick reply!




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