This on is driving me crazy. Iam at my last rope.
index.pl
use CGI qw(:all);
use CGI::Carp qw(fatalsToBrowser);
use Text::Template;
use DBI;
use D1;
use DF;
sub get_all_emails
{
my $DBH = D1->get_db_connection;
my ($ary_ref);
my ($email);
my ($buf) = '';
my $sql = "SELECT email from emails";
my $sth = $DBH->prepare($sql);
$sth->execute();
while($ary_ref = $sth->fetch()) {
($email, $id) = @{$ary_ref};
$buf .= sprintf($DF::email_list_al
}
return $buf;
}
D1.pm (in the same directory)
package D1;
use DBI;
#use CGI qw(:all);
use CGI::Carp qw(fatalsToBrowser);
BEGIN {
}
#====END BEGIN====#
sub get_db_connection
{
my %attr = (
PrintError => 0,
RaiseError => 0
);
my $DBH = DBI->connect("DBI:mysql:lo
$DBH->{PrintError} = 1;
return $DBH;
}
#=========================
# logical sub-routines
END {
}
return 1;
DF.pm is just formatting instructions with a bunch of escaped html code and %s inserted into the right places. It is also in the same directory.
Thanks a million in advance,guys!
~Lil <not on the answering end this time - arrrrgh!>
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Xanius,
I have changed the connection code the way you've described and - it works! Now finally (after a few hard days and lots of coffee) it adds, deletes, selects, does evrything it is suppsoed to. Thanks again and please accept the offered points with my thanks! If you have a few sec and just can shoot off a description of why this worked, I'd appreciated it, but of course this is not necessary.
Teralplane, I've tried it both ways but until I've changed the connection as described, nothing worked.
Thanks again all,
~Lil
~Lil,
I'm happy ty get the points, but I don't quie understand how my suggestion made your program work.
my suggestion is only altering the error handling within DBI, it is not changing anything else. The only reason I can think of is that your mysql server might have had a problem, or was down as you were asking the question.
If this code is part of a some web site, when everything is working you should set both PrintError and RaiseError back to 0 but check on $DBH an subsequently, if $DBH is undef catch the DBI error and produce a reasonable error message for the user lik "Sorry, the database is currently not available" or somerthing.
Cheers
Xanius
Business Accounts
Answer for Membership
by: xaniusPosted on 2006-06-11 at 23:59:42ID: 16883500
Lil,
I think the connect in get_db_connection is not working, returning undef. Therefore $DBH is undef and not a DBI-Blessed object, hence the error. You should generally handle errors when communicating with processes outside perl (mysql in this case). either set the PrintError and/or RaiseError to 1 or check the DBI-errors after the database connection.
The following modification of get_db_connection shoudl give you the first clues:
sub get_db_connection
{
my %attr = (
PrintError => 1,
RaiseError => 1
);
my $DBH = DBI->connect("DBI:mysql:lo
# $DBH->{PrintError} = 1;
return $DBH;
}
# Cheers
# Xanius