__PACKAGE__->load_components(qw/ Core/);
__PACKAGE__->table('SchemaVersions');
-__PACKAGE__->add_columns
- ( 'Version' => {
- 'data_type' => 'VARCHAR',
- 'is_auto_increment' => 0,
- 'default_value' => undef,
- 'is_foreign_key' => 0,
- 'name' => 'Version',
- 'is_nullable' => 0,
- 'size' => '10'
- },
+__PACKAGE__->add_columns(
+ 'Version' => {
+ 'data_type' => 'VARCHAR',
+ 'is_auto_increment' => 0,
+ 'default_value' => undef,
+ 'is_foreign_key' => 0,
+ 'name' => 'Version',
+ 'is_nullable' => 0,
+ 'size' => '10'
+ },
'Installed' => {
'data_type' => 'VARCHAR',
'is_auto_increment' => 0,
'name' => 'Installed',
'is_nullable' => 0,
'size' => '20'
- },
- );
+ },
+);
__PACKAGE__->set_primary_key('Version');
package DBIx::Class::Version;
__PACKAGE__->mk_classdata('_filedata');
__PACKAGE__->mk_classdata('upgrade_directory');
__PACKAGE__->mk_classdata('backup_directory');
+__PACKAGE__->mk_classdata('do_backup');
sub schema_version {
my ($self) = @_;
{
my ($self) = @_;
$self->{vschema} = DBIx::Class::Version->connect(@{$self->storage->connect_info()});
- my $vtable = $self->{vschema}->resultset('Table');
- my $pversion;
- if(!$self->_source_exists($vtable))
- {
-# $self->{vschema}->storage->debug(1);
- $self->{vschema}->storage->ensure_connected();
- $self->{vschema}->deploy();
- $pversion = 0;
- }
- else
- {
- $pversion = $self->get_db_version();
- }
-# warn("Previous version: $pversion\n");
+ my $pversion = $self->get_db_version();
+
if($pversion eq $self->schema_version)
{
warn "This version is already installed\n";
return 1;
}
-## use IC::DT?
-
if(!$pversion)
{
- $vtable->create({ Version => $self->schema_version,
- Installed => strftime("%Y-%m-%d %H:%M:%S", gmtime())
- });
- ## If we let the user do this, where does the Version table get updated?
- warn "No previous version found, calling deploy to install this version.\n";
- $self->deploy();
+ warn "Your DB is currently unversioned. Please call upgrade on your schema to sync the DB.\n";
return 1;
}
return 1;
}
- $file = $self->ddl_filename(
- $self->storage->sqlt_type,
- $self->upgrade_directory,
- $self->schema_version,
- $pversion,
- );
-# $file =~ s/@{[ $self->schema_version ]}/"${pversion}-" . $self->schema_version/e;
- if(!-f $file)
- {
- warn "Upgrade not possible, no upgrade file found ($file)\n";
- return;
- }
-
- my $fh;
- open $fh, "<$file" or warn("Can't open upgrade file, $file ($!)");
- my @data = split(/;\n/, join('', <$fh>));
- close($fh);
- @data = grep { $_ && $_ !~ /^-- / } @data;
- @data = grep { $_ !~ /^(BEGIN TRANACTION|COMMIT)/m } @data;
-
- $self->_filedata(\@data);
## Don't do this yet, do only on command?
## If we do this later, where does the Version table get updated??
warn "Versions out of sync. This is " . $self->schema_version .
", your database contains version $pversion, please call upgrade on your Schema.\n";
-# $self->upgrade($pversion, $self->schema_version);
}
sub get_db_version
my ($self, $rs) = @_;
my $vtable = $self->{vschema}->resultset('Table');
+ return 0 unless ($self->_source_exists($vtable));
+
my $psearch = $vtable->search(undef,
{ select => [
{ 'max' => 'Installed' },
],
as => ['maxinstall'],
})->first;
- $pversion = $vtable->search({ Installed => $psearch->get_column('maxinstall'),
+ my $pversion = $vtable->search({ Installed => $psearch->get_column('maxinstall'),
})->first;
$pversion = $pversion->Version if($pversion);
return $pversion;
$self->storage->backup($self->backup_directory());
}
+# TODO: some of this needs to be merged with ->create_ddl_dir
sub upgrade
{
my ($self) = @_;
+ my $db_version = $self->get_db_version();
+
+ my %driver_to_db_map = (
+ 'mysql' => 'MySQL'
+ );
+ if (!$db_version) {
+ my $db = $driver_to_db_map{$self->storage->dbh->{Driver}->{Name}};
+ unless ($db) {
+ print "Sorry, this is an unsupported DB\n";
+ return;
+ }
+
+ require SQL::Translator;
+ require SQL::Translator::Diff;
+ my $db_tr = SQL::Translator->new({
+ add_drop_table => 1,
+ parser => 'DBI',
+ parser_args => { dbh => $self->storage->dbh }
+ });
+
+ $db_tr->producer($db);
+ my $dbic_tr = SQL::Translator->new;
+ $dbic_tr->parser('SQL::Translator::Parser::DBIx::Class');
+ $dbic_tr = $self->storage->configure_sqlt($dbic_tr, $db);
+ $dbic_tr->data($self);
+ $dbic_tr->producer($db);
+
+ $db_tr->schema->name('db_schema');
+ $dbic_tr->schema->name('dbic_schema');
+
+ # is this really necessary?
+ foreach my $tr ($db_tr, $dbic_tr) {
+ my $data = $tr->data;
+ $tr->parser->($tr, $$data);
+ }
+
+ my $diff = SQL::Translator::Diff::schema_diff($db_tr->schema, $db,
+ $dbic_tr->schema, $db,
+ { caseopt => 1 });
+
+ my $filename = $self->ddl_filename(
+ $db,
+ $self->upgrade_directory,
+ $self->schema_version,
+ 'PRE',
+ );
+ my $file;
+ if(!open($file, ">$filename"))
+ {
+ $self->throw_exception("Can't open $filename for writing ($!)");
+ next;
+ }
+ print $file $diff;
+ close($file);
+
+ # create versions table
+ $self->{vschema}->deploy;
+
+ print "WARNING: There may be differences between your DB and your DBIC schema. Please review and if necessary run the SQL in $filename to sync your DB.\n";
+ } else {
+ if ($db_version eq $self->schema_version) {
+ print "Upgrade not necessary\n";
+ return;
+ }
+
+ my $file = $self->ddl_filename(
+ $self->storage->sqlt_type,
+ $self->upgrade_directory,
+ $self->schema_version,
+ $db_version,
+ );
- $self->backup();
- $self->do_upgrade();
+ if(!-f $file)
+ {
+ warn "Upgrade not possible, no upgrade file found ($file)\n";
+ return;
+ }
+
+ my $fh;
+ open $fh, "<$file" or warn("Can't open upgrade file, $file ($!)");
+ my @data = split(/\n/, join('', <$fh>));
+ @data = grep(!/^--/, @data);
+ @data = split(/;/, join('', @data));
+ close($fh);
+ @data = grep { $_ && $_ !~ /^-- / } @data;
+ @data = grep { $_ !~ /^(BEGIN TRANACTION|COMMIT)/m } @data;
+
+ $self->_filedata(\@data);
+ $self->backup() if($self->do_backup);
+
+ $self->txn_do(sub {
+ $self->do_upgrade();
+ });
+ }
my $vtable = $self->{vschema}->resultset('Table');
$vtable->create({ Version => $self->schema_version,
Installed => strftime("%Y-%m-%d %H:%M:%S", gmtime())
});
+
}
sub do_upgrade
projects / dbsrgits/DBIx-Class.git / blobdiff