#!/usr/bin/perl -w use DBI; my $dbh = connectpgdb('****','****','****','Pg','localhost'); my $n = getsqlvalue($dbh,"select count(*) from blog"); print $n; sub connectpgdb { # this is used to connect with DBD::Pg my ($database,$user,$password,$driver,$server) = @_; my $url; unless ($driver) { $driver = "Pg"; } unless ($server) { $url = "DBI:$driver:dbname=$database;host=localhost"; } else { $url = "DBI:$driver:dbname=$database;host=$server;port=54 +32"; } unless ($user) { $user = "****"; $password = "****"; } my $dbh = DBI->connect( $url, $user, $password,{AutoCommit=>1,Rais +eError=>1,PrintError=>1}) or die "connectdb can't connect to psql: $! +\n"; return $dbh; } sub getsqlvalue { my @results = (); my ($dbh,$sqlstatement)= @_; my $sth = $dbh->prepare($sqlstatement); my @row; $sth->execute || die "Could not execute MySQL statement: $sqlstate +ment"; while (@row=$sth->fetchrow_array) { push(@results, [ @row ]); } $sth->finish(); return $results[0][0]; }
In reply to Re^2: DBD::Pg no errors but empty result?
by cormanaz
in thread DBD::Pg no errors but empty result?
by cormanaz
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