- The error "DBI->connect(myd) failed: Couldn't connect to..." is happening I think because 'DBI:mysqlPP:myd' is in single quotes when you call DBI->connect, and the syntax seems off. Maybe you'll have better success if you follow the syntax shown on this page:
http://search.cpan.org/author/OYAMA/DBD-mysqlPP-0.03/mysqlPP.pm#EXAMPLE
- You have this line:
my $sth = $dbh->prepare($sql)
Before you've defined the $sql variable. The usual procedure is to define your sql first, then prepare it if necessary (which I don't think you need to in this case), execute the query, and then loop through the results.
- You have
my @row;
$event=($row[0]);
....
Before you do an database stuff, so all those variables are just being set to empty strings.
Lastly, do you really need to use mysqlPP? My understanding of that module is that it's more situations when you can't get regular DBI to work. If DBI is an option, you might be better off with that:
http://search.cpan.org/author/TIMB/DBI-1.32/DBI.pm
-bill
Melissa Stranzl wrote:
Hi all:
I am sending a perl program I am trying to run which
doesn't connect to the database. The error message is
at the bottom of the e-mail. I think the program is
going to the sock file and not TCP/IP and I don't know
how to change this, but I'm not sure whether this is
the error, so any help is much appreciated. Happy holidays.
MVS.
#!/usr/bin/perl -w
package DBD::mysqlPP;
use CGI':standard','-noDebug';
#feo4.pl
my @row;
$event=($row[0]);
$location=($row[1]);
$time=param($row[2]);
$price=param($row[3]);
$description=param($row[4]);
$contact=param($row[5]);
$day=param($row[6]);
use DBI;
my $dbh= DBI->connect ('DBI:mysqlPP:myd', 'umvs',
'umvs') ||die "Could not connect to database:
".DBI->errstr;
print "hello";
my $sth = $dbh->prepare($sql)
or die "Can't prepare $sql: $dbh->errstr\n";
my $sql="INSERT INTO event VALUES ('$location',
'$time', '$description', '$price', '$day', '$event',
'$contact')";
$sth->execute();
if (my $sth->SQL($sql)){
print "SQL failed";
exit();
}
#my @row;
while(@row = my $sth->fetchrow_array()) {
qw($row[0]\t$row[1]\t$row[2]\n\t$row[3]\n\t$row[4]\n\t$row[5]\n\t$row[6]\n);
}
$sth->close();
$sth->finish();
$dbh->disconnect();
--------------------------------------------
This is the error message I get when I compile the
program:
DBI->connect(myd) failed: Couldn't connect to
/tmp/mysql.sock: at C:/Perl/site/
lib/DBD/mysqlPP.pm line 109
at feo4.pl line 19
Could not connect to database: Couldn't connect to
/tmp/mysql.sock: at C:/Perl/
site/lib/DBD/mysqlPP.pm line 109
(in cleanup) Can't call method "close" on an
undefined value at C:/Perl/
site/lib/DBD/mysqlPP.pm line 274.
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