diff options
Diffstat (limited to 'fml/lib/IO/Adapter/MySQL/toymodel.pm')
| -rw-r--r-- | fml/lib/IO/Adapter/MySQL/toymodel.pm | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/fml/lib/IO/Adapter/MySQL/toymodel.pm b/fml/lib/IO/Adapter/MySQL/toymodel.pm new file mode 100644 index 00000000..dbf4bfdf --- /dev/null +++ b/fml/lib/IO/Adapter/MySQL/toymodel.pm @@ -0,0 +1,140 @@ +#-*- perl -*- +# +# Copyright (C) 2000 Ken'ichi Fukamachi +# All rights reserved. +# +# $Id$ +# + + +package IO::Adapter::MySQL::toymodel; + + +use strict; +use vars qw(@ISA @EXPORT @EXPORT_OK $AUTOLOAD); +use Carp; + +=head1 NAME + +IO::Adapter::MySQL::toymodel - toymodel with SQL + +=head1 SYNOPSIS + +=head1 DESCRIPTION + +=head1 METHODS + +=cut + +sub new +{ + my ($self) = @_; + my ($type) = ref($self) || $self; + my $me = {}; + return bless $me, $type; +} + + +=head2 C<open($args)> + +=head2 C<close($args)> + +=cut + + +# Descriptions: +# Arguments: $self $args +# Side Effects: +# Return Value: none +sub open +{ + my ($self, $args) = @_; + + use DBI; + use DBD::mysql; + + my $driver = 'mysql'; + my $database = $args->{ database_name } || 'fml'; + my $host = $args->{ sql_server } || 'localhost'; + my $dsn = "DBI:$driver:$database:$host"; + my $user = $args->{ sql_user } || 'fml' || ''; + my $password = $args->{ sql_user_password} || ''; + + my $dbh = DBI->connect($dsn, $user, $password); + unless (defined $dbh) { + $args->{'error'} = $DBI::errstr; + return undef; + } + + $self->{ _dbh } = $dbh; +} + + +# Descriptions: +# Arguments: $self $args +# Side Effects: +# Return Value: none +sub close +{ + my ($self, $args) = @_; + my $res = $self->{ _res }; + my $dbh = $self->{ _dbh }; + + $res->finish if defined $res; + $dbh->disconnect if defined $dbh; +} + + +=head2 C<getline()> + +=cut + +sub getline +{ + my ($self, $args) = @_; + + unless ($self->{ _res }) { + $self->execute( { query => 'select address from ml' } ); + } + + my @row = $self->{ _res }->fetchrow_array; + $row[0]; +} + + +=head2 C<execute($args) + +execute sql query. + + $args->{ + query => sql_query_statment, + }; + +=cut + +sub execute +{ + my ($self, $args) = @_; + my $dbh = $self->{ _dbh }; + my $query = $args->{ query }; + + if (defined $dbh) { + my $res = $dbh->prepare($query); + $res->execute; + + unless (defined $res) { + $self->error_reason( $DBI::errstr ); + return undef; + } + else { + $self->{ _res } = $res; + return $res; + } + } + else { + return undef; + } +} + + +1; |
