1 package DBIx::Class::DeploymentHandler::DeployMethod::SQL::Translator;
3 use Method::Signatures::Simple;
6 require SQL::Translator::Diff;
7 require DBIx::Class::Storage; # loaded for type constraint
9 with 'DBIx::Class::DeploymentHandler::HandlesDeploy';
13 isa => 'DBIx::Class::Storage',
18 method _build_storage {
19 my $s = $self->schema->storage;
20 $s->_determine_driver;
27 default => sub { {} },
29 has upgrade_directory => (
38 isa => 'DBIx::Class::DeploymentHandler::Databases',
40 default => sub { [qw( MySQL SQLite PostgreSQL )] },
44 isa => 'DBIx::Class::Schema',
47 handles => [qw( schema_version )],
51 isa => 'ArrayRef[Str]',
55 method _ddl_filename($type, $versions, $dir) {
56 my $filename = ref $self->schema;
57 $filename =~ s/::/-/g;
59 $filename = File::Spec->catfile(
60 $dir, "$filename-" . join( q(-), @{$versions} ) . "-$type.sql"
66 method _deployment_statements {
67 my $dir = $self->upgrade_directory;
68 my $schema = $self->schema;
69 my $type = $self->storage->sqlt_type;
70 my $sqltargs = $self->sqltargs;
71 my $version = $self->schema_version;
73 my $filename = $self->_ddl_filename($type, [ $version ], $dir);
76 open $file, q(<), $filename
77 or carp "Can't open $filename ($!)";
80 return join '', @rows;
83 # sources needs to be a parser arg, but for simplicty allow at top level
85 $sqltargs->{parser_args}{sources} = delete $sqltargs->{sources}
86 if exists $sqltargs->{sources};
88 my $tr = SQL::Translator->new(
89 producer => "SQL::Translator::Producer::${type}",
91 parser => 'SQL::Translator::Parser::DBIx::Class',
98 @ret = $tr->translate;
101 $ret[0] = $tr->translate;
104 $schema->throw_exception( 'Unable to produce deployment statements: ' . $tr->error)
105 unless (@ret && defined $ret[0]);
107 return $wa ? @ret : $ret[0];
112 my $storage = $self->storage;
116 return if(!$line || $line =~ /^--|^BEGIN TRANSACTION|^COMMIT|^\s+$/);
117 $storage->_query_start($line);
119 # do a dbh_do cycle here, as we need some error checking in
120 # place (even though we will ignore errors)
121 $storage->dbh_do (sub { $_[1]->do($line) });
124 carp "$_ (running '${line}')"
126 $storage->_query_end($line);
128 my @statements = $self->_deployment_statements();
129 if (@statements > 1) {
130 foreach my $statement (@statements) {
131 $deploy->( $statement );
134 elsif (@statements == 1) {
135 foreach my $line ( split(";\n", $statements[0])) {
141 sub prepare_install {
143 my $schema = $self->schema;
144 my $databases = $self->databases;
145 my $dir = $self->upgrade_directory;
146 my $sqltargs = $self->sqltargs;
148 carp "Upgrade directory $dir does not exist, using ./\n";
152 my $version = $schema->schema_version;
154 my $sqlt = SQL::Translator->new({
156 ignore_constraint_names => 1,
157 ignore_index_names => 1,
158 parser => 'SQL::Translator::Parser::DBIx::Class',
162 my $sqlt_schema = $sqlt->translate({ data => $schema })
163 or $self->throw_exception ($sqlt->error);
165 foreach my $db (@$databases) {
167 $sqlt->{schema} = $sqlt_schema;
168 $sqlt->producer($db);
170 my $filename = $self->_ddl_filename($db, [ $version ], $dir);
172 carp "Overwriting existing DDL file - $filename";
176 my $output = $sqlt->translate;
178 carp("Failed to translate to $db, skipping. (" . $sqlt->error . ")");
182 unless( open $file, q(>), $filename ) {
183 $self->throw_exception("Can't open $filename for writing ($!)");
186 print {$file} $output;
192 my ($self, $from_version, $to_version, $version_set) = @_;
194 $from_version ||= $self->db_version;
195 $to_version ||= $self->schema_version;
197 # for updates prepared automatically (rob's stuff)
198 # one would want to explicitly set $version_set to
200 $version_set ||= [$from_version, $to_version];
201 my $schema = $self->schema;
202 my $databases = $self->databases;
203 my $dir = $self->upgrade_directory;
204 my $sqltargs = $self->sqltargs;
207 carp "Upgrade directory $dir does not exist, using ./\n";
211 my $schema_version = $schema->schema_version;
215 ignore_constraint_names => 1,
216 ignore_index_names => 1,
220 my $sqlt = SQL::Translator->new( $sqltargs );
222 $sqlt->parser('SQL::Translator::Parser::DBIx::Class');
223 my $sqlt_schema = $sqlt->translate({ data => $schema })
224 or $self->throw_exception ($sqlt->error);
226 foreach my $db (@$databases) {
228 $sqlt->{schema} = $sqlt_schema;
229 $sqlt->producer($db);
231 my $prefilename = $self->_ddl_filename($db, [ $from_version ], $dir);
232 unless(-e $prefilename) {
233 carp("No previous schema file found ($prefilename)");
237 my $diff_file = $self->_ddl_filename($db, $version_set, $dir );
239 carp("Overwriting existing diff file - $diff_file");
245 my $t = SQL::Translator->new({
251 $t->parser( $db ) # could this really throw an exception?
252 or $self->throw_exception ($t->error);
254 my $out = $t->translate( $prefilename )
255 or $self->throw_exception ($t->error);
257 $source_schema = $t->schema;
259 $source_schema->name( $prefilename )
260 unless $source_schema->name;
263 # The "new" style of producers have sane normalization and can support
264 # diffing a SQL file against a DBIC->SQLT schema. Old style ones don't
265 # And we have to diff parsed SQL against parsed SQL.
266 my $dest_schema = $sqlt_schema;
268 unless ( "SQL::Translator::Producer::$db"->can('preprocess_schema') ) {
269 my $t = SQL::Translator->new({
275 $t->parser( $db ) # could this really throw an exception?
276 or $self->throw_exception ($t->error);
278 my $filename = $self->_ddl_filename($db, [ $to_version ], $dir);
279 my $out = $t->translate( $filename )
280 or $self->throw_exception ($t->error);
282 $dest_schema = $t->schema;
284 $dest_schema->name( $filename )
285 unless $dest_schema->name;
288 my $diff = SQL::Translator::Diff::schema_diff(
294 unless(open $file, q(>), $diff_file) {
295 $self->throw_exception("Can't write to $diff_file ($!)");
303 method _read_sql_file($file) {
306 open my $fh, '<', $file or carp("Can't open upgrade file, $file ($!)");
307 my @data = split /\n/, join '', <$fh>;
313 !/^(BEGIN|BEGIN TRANSACTION|COMMIT)/m
320 sub _upgrade_single_step {
322 my @version_set = @{ shift @_ };
323 my $upgrade_file = $self->_ddl_filename(
324 $self->storage->sqlt_type,
326 $self->upgrade_directory,
329 unless (-f $upgrade_file) {
331 carp "Upgrade not possible, no upgrade file found ($upgrade_file), please create one\n";
335 $self->_filedata($self->_read_sql_file($upgrade_file)); # I don't like this --fREW 2010-02-22
336 $self->schema->txn_do(sub { $self->_do_upgrade });
339 method _do_upgrade { $self->_run_upgrade(qr/.*?/) }
341 method _run_upgrade($stm) {
342 return unless $self->_filedata;
343 my @statements = grep { $_ =~ $stm } @{$self->_filedata};
346 $self->storage->debugobj->query_start($_) if $self->storage->debug;
347 $self->_apply_statement($_);
348 $self->storage->debugobj->query_end($_) if $self->storage->debug;
352 method _apply_statement($statement) {
354 $self->storage->dbh->do($_) or carp "SQL was: $_"
357 __PACKAGE__->meta->make_immutable;
363 vim: ts=2 sw=2 expandtab