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
11 with 'DBIx::Class::DeploymentHandler::HandlesDeploy';
16 isa => 'DBIx::Class::Schema',
19 handles => [qw( schema_version )],
23 isa => 'DBIx::Class::Storage',
28 method _build_storage {
29 my $s = $self->schema->storage;
30 $s->_determine_driver;
37 default => sub { {} },
39 has upgrade_directory => (
48 isa => 'DBIx::Class::DeploymentHandler::Databases',
50 default => sub { [qw( MySQL SQLite PostgreSQL )] },
54 isa => 'ArrayRef[Str]',
58 method _ddl_schema_in_filenames($type, $version, $dir) {
59 my $filename = File::Spec->catfile(
60 $dir, $type, 'schema', $version, '001-auto.sql'
66 method _ddl_schema_out_filename($type, $version, $dir) {
67 my $dirname = File::Spec->catfile(
68 $dir, $type, 'schema', $version
70 File::Path::mkpath($dirname) unless -d $dirname;
72 return File::Spec->catfile(
73 $dirname, '001-auto.sql'
77 method _ddl_schema_diff_in_filenames($type, $versions, $dir) {
78 my $filename = File::Spec->catfile(
79 $dir, $type, 'diff', join( q(-), @{$versions} ), '001-auto.sql'
85 method _ddl_schema_diff_out_filename($type, $versions, $dir) {
86 my $dirname = File::Spec->catfile(
87 $dir, $type, 'diff', join( q(-), @{$versions} )
89 File::Path::mkpath($dirname) unless -d $dirname;
91 return File::Spec->catfile(
92 $dirname, '001-auto.sql'
96 method _deployment_statements {
97 my $dir = $self->upgrade_directory;
98 my $schema = $self->schema;
99 my $type = $self->storage->sqlt_type;
100 my $sqltargs = $self->sqltargs;
101 my $version = $self->schema_version;
103 my @filenames = @{$self->_ddl_schema_in_filenames($type, $version, $dir)};
105 for my $filename (@filenames) {
108 open $file, q(<), $filename
109 or carp "Can't open $filename ($!)";
112 return join '', @rows;
116 # sources needs to be a parser arg, but for simplicty allow at top level
118 $sqltargs->{parser_args}{sources} = delete $sqltargs->{sources}
119 if exists $sqltargs->{sources};
121 my $tr = SQL::Translator->new(
122 producer => "SQL::Translator::Producer::${type}",
124 parser => 'SQL::Translator::Parser::DBIx::Class',
131 @ret = $tr->translate;
134 $ret[0] = $tr->translate;
137 $schema->throw_exception( 'Unable to produce deployment statements: ' . $tr->error)
138 unless (@ret && defined $ret[0]);
140 return $wa ? @ret : $ret[0];
145 my $storage = $self->storage;
149 return if(!$line || $line =~ /^--|^BEGIN TRANSACTION|^COMMIT|^\s+$/);
150 $storage->_query_start($line);
152 # do a dbh_do cycle here, as we need some error checking in
153 # place (even though we will ignore errors)
154 $storage->dbh_do (sub { $_[1]->do($line) });
157 carp "$_ (running '${line}')"
159 $storage->_query_end($line);
161 my @statements = $self->_deployment_statements();
162 if (@statements > 1) {
163 foreach my $statement (@statements) {
164 $deploy->( $statement );
167 elsif (@statements == 1) {
168 foreach my $line ( split(";\n", $statements[0])) {
174 sub prepare_install {
176 my $schema = $self->schema;
177 my $databases = $self->databases;
178 my $dir = $self->upgrade_directory;
179 my $sqltargs = $self->sqltargs;
180 my $version = $schema->schema_version;
183 carp "Upgrade directory $dir does not exist, using ./\n";
188 my $sqlt = SQL::Translator->new({
190 ignore_constraint_names => 1,
191 ignore_index_names => 1,
192 parser => 'SQL::Translator::Parser::DBIx::Class',
196 my $sqlt_schema = $sqlt->translate({ data => $schema })
197 or $self->throw_exception ($sqlt->error);
199 foreach my $db (@$databases) {
201 $sqlt->{schema} = $sqlt_schema;
202 $sqlt->producer($db);
204 my $filename = $self->_ddl_schema_out_filename($db, $version, $dir);
206 carp "Overwriting existing DDL file - $filename";
210 my $output = $sqlt->translate;
212 carp("Failed to translate to $db, skipping. (" . $sqlt->error . ")");
216 unless( open $file, q(>), $filename ) {
217 $self->throw_exception("Can't open $filename for writing ($!)");
220 print {$file} $output;
226 my ($self, $from_version, $to_version, $version_set) = @_;
228 $from_version ||= $self->db_version;
229 $to_version ||= $self->schema_version;
231 # for updates prepared automatically (rob's stuff)
232 # one would want to explicitly set $version_set to
234 $version_set ||= [$from_version, $to_version];
235 my $schema = $self->schema;
236 my $databases = $self->databases;
237 my $dir = $self->upgrade_directory;
238 my $sqltargs = $self->sqltargs;
241 carp "Upgrade directory $dir does not exist, using ./\n";
245 my $schema_version = $schema->schema_version;
249 ignore_constraint_names => 1,
250 ignore_index_names => 1,
254 my $sqlt = SQL::Translator->new( $sqltargs );
256 $sqlt->parser('SQL::Translator::Parser::DBIx::Class');
257 my $sqlt_schema = $sqlt->translate({ data => $schema })
258 or $self->throw_exception ($sqlt->error);
260 foreach my $db (@$databases) {
262 $sqlt->{schema} = $sqlt_schema;
263 $sqlt->producer($db);
265 my $prefilename = $self->_ddl_schema_out_filename($db, $from_version, $dir);
266 unless(-e $prefilename) {
267 carp("No previous schema file found ($prefilename)");
271 my $diff_file = $self->_ddl_schema_diff_out_filename($db, $version_set, $dir );
273 carp("Overwriting existing diff file - $diff_file");
279 my $t = SQL::Translator->new({
285 $t->parser( $db ) # could this really throw an exception?
286 or $self->throw_exception ($t->error);
288 my $out = $t->translate( $prefilename )
289 or $self->throw_exception ($t->error);
291 $source_schema = $t->schema;
293 $source_schema->name( $prefilename )
294 unless $source_schema->name;
297 # The "new" style of producers have sane normalization and can support
298 # diffing a SQL file against a DBIC->SQLT schema. Old style ones don't
299 # And we have to diff parsed SQL against parsed SQL.
300 my $dest_schema = $sqlt_schema;
302 unless ( "SQL::Translator::Producer::$db"->can('preprocess_schema') ) {
303 my $t = SQL::Translator->new({
309 $t->parser( $db ) # could this really throw an exception?
310 or $self->throw_exception ($t->error);
312 my $filename = $self->_ddl_schema_out_filename($db, $to_version, $dir);
313 my $out = $t->translate( $filename )
314 or $self->throw_exception ($t->error);
316 $dest_schema = $t->schema;
318 $dest_schema->name( $filename )
319 unless $dest_schema->name;
322 my $diff = SQL::Translator::Diff::schema_diff(
328 unless(open $file, q(>), $diff_file) {
329 $self->throw_exception("Can't write to $diff_file ($!)");
337 method _read_sql_file($file) {
340 open my $fh, '<', $file or carp("Can't open upgrade file, $file ($!)");
341 my @data = split /\n/, join '', <$fh>;
347 !/^(BEGIN|BEGIN TRANSACTION|COMMIT)/m
354 sub _upgrade_single_step {
356 my @version_set = @{ shift @_ };
357 my @upgrade_files = @{$self->_ddl_schema_diff_in_filenames(
358 $self->storage->sqlt_type,
360 $self->upgrade_directory,
363 for my $upgrade_file (@upgrade_files) {
364 unless (-f $upgrade_file) {
366 carp "Upgrade not possible, no upgrade file found ($upgrade_file), please create one\n";
370 $self->_filedata($self->_read_sql_file($upgrade_file)); # I don't like this --fREW 2010-02-22
371 $self->schema->txn_do(sub { $self->_do_upgrade });
375 method _do_upgrade { $self->_run_upgrade(qr/.*?/) }
377 method _run_upgrade($stm) {
378 return unless $self->_filedata;
379 my @statements = grep { $_ =~ $stm } @{$self->_filedata};
382 $self->storage->debugobj->query_start($_) if $self->storage->debug;
383 $self->_apply_statement($_);
384 $self->storage->debugobj->query_end($_) if $self->storage->debug;
388 method _apply_statement($statement) {
390 $self->storage->dbh->do($_) or carp "SQL was: $_"
397 vim: ts=2 sw=2 expandtab