> -----Original Message----- > From: Neil Lunn [mailto:[EMAIL PROTECTED]] > Sent: Sunday, June 03, 2001 8:44 PM > To: 'Guangzu Wang (Houston)'; [EMAIL PROTECTED] > Subject: RE: Only return the FIRST field from DBD/ODBC/Sql Server stored > proce dure > > > > -----Original Message----- > > From: Guangzu Wang (Houston) [mailto:[EMAIL PROTECTED]] > > Sent: Monday, June 04, 2001 3:57 AM > > To: [EMAIL PROTECTED] > > Subject: Only return the FIRST field from DBD/ODBC/Sql Server stored > > proce dure > > > > > > I use DBD::ODBC with Easysoft ODBC bridge to connect SQL > > server 6.5 from > > Linux. I have a stored procedure that is supposed to return > > several fields. > > It only returns the first field of my result set. I searched > > the archive of > > this mailing list and haven't found some encouraging news. > > > > The book of "Programming the Perl DBI" (pp 296) mentioned > > stored procedure > > can be called using "{?= call procedure_name(?,?)}" but then > > said "DBD::ODBC > > currently does not support output parameter". Doesn't that > > mean I can NOT > > use that method? I tried but failed. I tried both escape > > method like {call > > procedure_name} and direct run as "exec procedure_name", same result. > > Not sure what you mean. What does the sp do? If it's just > returning a rowset > as you seem to imply by the term "field" then it is not different from any > SELECT, PREPARE, FETCH, FETCH ... etc operation. If this isn't so you will > be better off to clarify this to the list. > > > > > The same book mentioned in several places (like pp 223) that > > fetchrow_array > > returns the value of the first field if used "in a scalar > > context". I am not > > sure about this "scalar context", is this something related > > @list = $sth->fetchrow_array; # ie (1,2,3,4) > $scalar = $sth->fetchrow_array; # only gets 1st element $list[0] I believe that in a scalar contex it will return true or undef, but in the list context ($scalar) = $sth->fetchrow_array it will return the first element. Ilya Sterin > > Which is probably what you are doing, though I am sure the book has clear > examples. I would also suggest a read of your perlvar manpage if > you are not > fammiliar with the concept of scalars. > > > Neil > > > to my problem > > about the stored procedure? > > > > Does any one has a clue? Thanks a lot in advance. > > > > Guangzu > > > > __________________________________________________________________________ > Please Note : > Only the intended recipient is authorised to access or use this > e-mail. If > you are not the intended recipient, > please delete this e-mail and notify the sender immediately. > The contents > of this e-mail are the writer's > opinion and are not necessarily endorsed by the Gunz Companies unless > expressly stated. > > We use virus scanning software but exclude all liability for viruses or > similar in any attachment. >
