Dmitriy, It worked like a charm! Bol'shoe spasibo! I'm curious what are the Postgres versions that support MOVE ALL. The documentation does not even mention "ALL" option.
Konstantin On Thu, Dec 2, 2010 at 3:49 AM, Dmitriy Igrishin <dmit...@gmail.com> wrote: > Hey Konstantin, > > Use MOVE ALL, then PQcmdTuples to get number of rows, > then MOVE BACKWARD ALL to point cursor at initial position. > > 2010/12/2 Konstantin Izmailov <pgf...@gmail.com> > > Maybe this question was discussed previously, but I could not find an >> answer: >> >> An application used PQntuples function to obtain number of tuples after >> executing each query. Since number of rows increased we decided to use >> DECLARE CURSOR/FETCH commands to retrieve tuples. However, it seems that >> number of the tuples is not available after DECLARE CURSOR command. We want >> to minimize the changes in the app. *Is it possible to obtain number of >> rows that a cursor will return?* >> >> Thank you >> Konstantin >> >> >> > > > -- > // Dmitriy. > > >
