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Top Forums Programming Problems using Perl DBI to edit database entries - basic stuff Post 302379991 by SteveSwitzer on Sunday 13th of December 2009 10:04:56 PM
Old 12-13-2009
Dave,
What you have is mostly a mis-ordering of the lines. try this instead:

Code:
#SQL CODE

my $dbh = DBI->connect("DBI:mysql:daveDB","dave","pass412");
my $sql = "INSERT INTO user_accounts (username, email, password)
 VALUES ($NewUserName, $NewEmail, $CryptPassword)";
my $sth = $dbh->prepare($sql);
my $res = $sth->execute();
$sth->finish();
$dbh->disconnect();

print end_html;

Once $dbh is defined, a "prepare" call is needed to get the SQL statement into the object.

As a side note, for best coding practice, you should have a " -w" after the perl line at the top (like this: "#!/usr/local/bin/perl -w") OR "use warnings;" to be sure you're told about things that could be mistakes. It's also a very good idea to "use strict;", which forces you to declare variables with "my" before you can use them. This also helps to make in obvious what variable scope you're expecting and can really reduce the amount of hair you pull out during a project. Smilie

HTH!

Steve

Quote:
Originally Posted by Dave247
Here is my Perl code with the DBI code in there to access the database:
When I run this, I get this error message: "Can't locate object method "disconnect" via package "INSERT INTO user_accounts (username, email, password)"Dave247
 

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Catalyst::Model::DBI(3pm)				User Contributed Perl Documentation				 Catalyst::Model::DBI(3pm)

NAME
Catalyst::Model::DBI - DBI Model Class SYNOPSIS
# use the helper create model DBI DBI dsn username password # lib/MyApp/Model/DBI.pm package MyApp::Model::DBI; use base 'Catalyst::Model::DBI'; __PACKAGE__->config( dsn => 'dbi:Pg:dbname=myapp', password => '', username => 'postgres', options => { AutoCommit => 1 }, ); 1; my $dbh = $c->model('DBI')->dbh; #do something with $dbh ... DESCRIPTION
This is the "DBI" model class. METHODS
new Initializes DBI connection $self->dbh Returns the current database handle. $self->stay_connected Returns a connected database handle. $self->connected Returns true if the database handle is active and pingable. $self->connect Connects to the database and returns the handle. $self->disconnect Executes rollback if AutoCommit is active, disconnects and unsets the database handle. SEE ALSO
Catalyst, DBI AUTHOR
Alex Pavlovic, "alex.pavlovic@taskforce-1.com" COPYRIGHT
Copyright (c) 2005 - 2009 the Catalyst::Model::DBI "AUTHOR" as listed above. LICENSE
This program is free software, you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.14.2 2010-01-28 Catalyst::Model::DBI(3pm)
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