require DBIx::Class::Schema; # loaded for type constraint
require DBIx::Class::Storage; # loaded for type constraint
require DBIx::Class::ResultSet; # loaded for type constraint
-use Carp 'carp';
+use Carp::Clan '^DBIx::Class::DeploymentHandler';
has schema => (
- isa => 'DBIx::Class::Schema',
- is => 'ro',
- required => 1,
- handles => [qw{schema_version}],
+ isa => 'DBIx::Class::Schema',
+ is => 'ro',
+ required => 1,
+ handles => [qw{schema_version}],
);
has upgrade_directory => (
- isa => 'Str',
- is => 'ro',
- required => 1,
- default => 'sql',
+ isa => 'Str',
+ is => 'ro',
+ required => 1,
+ default => 'sql',
);
has backup_directory => (
- isa => 'Str',
- is => 'ro',
+ isa => 'Str',
+ is => 'ro',
);
has storage => (
- isa => 'DBIx::Class::Storage',
- is => 'ro',
- lazy_build => 1,
+ isa => 'DBIx::Class::Storage',
+ is => 'ro',
+ lazy_build => 1,
);
method _build_storage {
- my $s = $self->schema->storage;
- $s->_determine_driver;
- $s
+ my $s = $self->schema->storage;
+ $s->_determine_driver;
+ $s
}
has _filedata => (
- isa => 'Str',
- is => 'rw',
+ isa => 'Str',
+ is => 'rw',
);
has do_backup => (
- isa => 'Bool',
- is => 'ro',
- default => undef,
+ isa => 'Bool',
+ is => 'ro',
+ default => undef,
);
has do_diff_on_init => (
- isa => 'Bool',
- is => 'ro',
- default => undef,
+ isa => 'Bool',
+ is => 'ro',
+ default => undef,
);
has version_rs => (
- isa => 'DBIx::Class::ResultSet',
- is => 'ro',
- lazy_build => 1,
- handles => [qw( is_installed db_version )],
+ isa => 'DBIx::Class::ResultSet',
+ is => 'ro',
+ lazy_build => 1,
+ handles => [qw( is_installed db_version )],
);
method _build_version_rs { $self->schema->resultset('VersionResult') }
$self->schema->deploy;
$self->version_rs->create({
- version => $new_version,
- # ddl => $ddl,
- # upgrade_sql => $upgrade_sql,
+ version => $new_version,
+ # ddl => $ddl,
+ # upgrade_sql => $upgrade_sql,
});
}
}
my $schema_version = $self->schema_version;
unless ($db_version) {
- carp 'Upgrade not possible as database is unversioned. Please call install first.';
- return;
+ # croak?
+ carp 'Upgrade not possible as database is unversioned. Please call install first.';
+ return;
}
if ( $db_version eq $schema_version ) {
- carp "Upgrade not necessary\n";
- return;
+ # croak?
+ carp "Upgrade not necessary\n";
+ return;
}
my @version_list = $self->ordered_schema_versions ||
# remove all versions in list above the required version
while ( @version_list && ( $version_list[-1] ne $schema_version ) ) {
- pop @version_list;
+ pop @version_list;
}
# remove all versions in list below the current version
while ( @version_list && ( $version_list[0] ne $db_version ) ) {
- shift @version_list;
+ shift @version_list;
}
# check we have an appropriate list of versions
# do sets of upgrade
while ( @version_list >= 2 ) {
- $self->upgrade_single_step( $version_list[0], $version_list[1] );
- shift @version_list;
+ $self->upgrade_single_step( $version_list[0], $version_list[1] );
+ shift @version_list;
}
}
method upgrade_single_step($db_version, $target_version) {
if ($db_version eq $target_version) {
+ # croak?
carp "Upgrade not necessary\n";
return;
}
$self->create_upgrade_path({ upgrade_file => $upgrade_file });
unless (-f $upgrade_file) {
+ # croak?
carp "Upgrade not possible, no upgrade file found ($upgrade_file), please create one\n";
return;
}
carp "DB version ($db_version) is lower than the schema version (".$self->schema_version."). Attempting upgrade.\n";
- # backup if necessary then apply upgrade
- $self->_filedata($self->_read_sql_file($upgrade_file));
+ $self->_filedata($self->_read_sql_file($upgrade_file)); # I don't like this --fREW 2010-02-22
$self->backup if $self->do_backup;
$self->schema->txn_do(sub { $self->do_upgrade });
- # set row in dbix_class_schema_versions table
$self->version_rs->create({
- version => $target_version,
- # ddl => $ddl,
- # upgrade_sql => $upgrade_sql,
+ version => $target_version,
+ # ddl => $ddl,
+ # upgrade_sql => $upgrade_sql,
});
}
}
method apply_statement($statement) {
+ # croak?
$self->storage->dbh->do($_) or carp "SQL was: $_"
}
my $db = $driver_to_db_map{$self->storage->dbh->{Driver}{Name}};
unless ($db) {
+ # croak?
print "Sorry, this is an unsupported DB\n";
return;
}
}
1;
+
+__END__
+
+vim: ts=2,sw=2,expandtab