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List:       postgresql-general
Subject:    Re: [GENERAL] libpq - PQsendQuery wait for complete result
From:       icholy <ilia.choly () gmail ! com>
Date:       2012-11-30 14:03:24
Message-ID: 1354284204320-5734321.post () n5 ! nabble ! com
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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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