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 $s->_determine_driver;
37 default => sub { {} },
39 has upgrade_directory => (
48 isa => 'DBIx::Class::DeploymentHandler::Databases',
50 default => sub { [qw( MySQL SQLite PostgreSQL )] },
54 isa => 'ArrayRef[Str]',
58 method __ddl_in_with_prefix($type, $versions, $prefix) {
59 my $base_dir = $self->upgrade_directory;
61 my $main = File::Spec->catfile( $base_dir, $type );
62 my $generic = File::Spec->catfile( $base_dir, '_generic' );
63 my $common = File::Spec->catfile( $base_dir, '_common', $prefix, join q(-), @{$versions} );
67 $dir = File::Spec->catfile($main, $prefix, join q(-), @{$versions})
68 } elsif (-d $generic) {
69 $dir = File::Spec->catfile($main, $prefix, join q(-), @{$versions})
74 opendir my($dh), $dir;
75 my %files = map { $_ => "$dir/$_" } grep { /\.sql$/ && -f "$dir/$_" } readdir($dh);
79 opendir my($dh), $common;
80 for my $filename (grep { /\.sql$/ && -f "$common/$_" } readdir($dh)) {
81 unless ($files{$filename}) {
82 $files{$filename} = "$common/$_";
88 return [@files{sort keys %files}]
91 method _ddl_schema_in_filenames($type, $version) {
92 $self->__ddl_in_with_prefix($type, [ $version ], 'schema')
95 method _ddl_schema_out_filename($type, $version, $dir) {
96 my $dirname = File::Spec->catfile(
97 $dir, $type, 'schema', $version
99 File::Path::mkpath($dirname) unless -d $dirname;
101 return File::Spec->catfile(
102 $dirname, '001-auto.sql'
106 method _ddl_schema_up_in_filenames($type, $versions, $dir) {
107 $self->__ddl_in_with_prefix($type, $versions, 'up')
110 method _ddl_schema_down_in_filenames($type, $versions, $dir) {
111 $self->__ddl_in_with_prefix($type, $versions, 'down')
114 method _ddl_schema_up_out_filename($type, $versions, $dir) {
115 my $dirname = File::Spec->catfile(
116 $dir, $type, 'up', join( q(-), @{$versions} )
118 File::Path::mkpath($dirname) unless -d $dirname;
120 return File::Spec->catfile(
121 $dirname, '001-auto.sql'
125 method _ddl_schema_down_out_filename($type, $versions, $dir) {
126 my $dirname = File::Spec->catfile(
127 $dir, $type, 'down', join( q(-), @{$versions} )
129 File::Path::mkpath($dirname) unless -d $dirname;
131 return File::Spec->catfile(
132 $dirname, '001-auto.sql'
136 method _deployment_statements {
137 my $dir = $self->upgrade_directory;
138 my $schema = $self->schema;
139 my $type = $self->storage->sqlt_type;
140 my $sqltargs = $self->sqltargs;
141 my $version = $self->schema_version;
143 my @filenames = @{$self->_ddl_schema_in_filenames($type, $version)};
145 for my $filename (@filenames) {
148 open $file, q(<), $filename
149 or carp "Can't open $filename ($!)";
152 return join '', @rows;
156 # sources needs to be a parser arg, but for simplicty allow at top level
158 $sqltargs->{parser_args}{sources} = delete $sqltargs->{sources}
159 if exists $sqltargs->{sources};
161 my $tr = SQL::Translator->new(
162 producer => "SQL::Translator::Producer::${type}",
164 parser => 'SQL::Translator::Parser::DBIx::Class',
171 @ret = $tr->translate;
174 $ret[0] = $tr->translate;
177 $schema->throw_exception( 'Unable to produce deployment statements: ' . $tr->error)
178 unless (@ret && defined $ret[0]);
180 return $wa ? @ret : $ret[0];
185 my $storage = $self->storage;
189 return if(!$line || $line =~ /^--|^BEGIN TRANSACTION|^COMMIT|^\s+$/);
190 $storage->_query_start($line);
192 # do a dbh_do cycle here, as we need some error checking in
193 # place (even though we will ignore errors)
194 $storage->dbh_do (sub { $_[1]->do($line) });
197 carp "$_ (running '${line}')"
199 $storage->_query_end($line);
201 my @statements = $self->_deployment_statements();
202 if (@statements > 1) {
203 foreach my $statement (@statements) {
204 $deploy->( $statement );
207 elsif (@statements == 1) {
208 foreach my $line ( split(";\n", $statements[0])) {
214 sub prepare_install {
216 my $schema = $self->schema;
217 my $databases = $self->databases;
218 my $dir = $self->upgrade_directory;
219 my $sqltargs = $self->sqltargs;
220 my $version = $schema->schema_version;
223 carp "Upgrade directory $dir does not exist, using ./\n";
228 my $sqlt = SQL::Translator->new({
230 ignore_constraint_names => 1,
231 ignore_index_names => 1,
232 parser => 'SQL::Translator::Parser::DBIx::Class',
236 my $sqlt_schema = $sqlt->translate({ data => $schema })
237 or $self->throw_exception ($sqlt->error);
239 foreach my $db (@$databases) {
241 $sqlt->{schema} = $sqlt_schema;
242 $sqlt->producer($db);
244 my $filename = $self->_ddl_schema_out_filename($db, $version, $dir);
246 carp "Overwriting existing DDL file - $filename";
250 my $output = $sqlt->translate;
252 carp("Failed to translate to $db, skipping. (" . $sqlt->error . ")");
256 unless( open $file, q(>), $filename ) {
257 $self->throw_exception("Can't open $filename for writing ($!)");
260 print {$file} $output;
265 sub prepare_upgrade {
266 my ($self, $from_version, $to_version, $version_set) = @_;
268 $from_version ||= $self->db_version;
269 $to_version ||= $self->schema_version;
271 # for updates prepared automatically (rob's stuff)
272 # one would want to explicitly set $version_set to
274 $version_set ||= [$from_version, $to_version];
275 my $schema = $self->schema;
276 my $databases = $self->databases;
277 my $dir = $self->upgrade_directory;
278 my $sqltargs = $self->sqltargs;
281 carp "Upgrade directory $dir does not exist, using ./\n";
285 my $schema_version = $schema->schema_version;
289 ignore_constraint_names => 1,
290 ignore_index_names => 1,
294 my $sqlt = SQL::Translator->new( $sqltargs );
296 $sqlt->parser('SQL::Translator::Parser::DBIx::Class');
297 my $sqlt_schema = $sqlt->translate({ data => $schema })
298 or $self->throw_exception ($sqlt->error);
300 foreach my $db (@$databases) {
302 $sqlt->{schema} = $sqlt_schema;
303 $sqlt->producer($db);
305 my $prefilename = $self->_ddl_schema_out_filename($db, $from_version, $dir);
306 unless(-e $prefilename) {
307 carp("No previous schema file found ($prefilename)");
311 my $diff_file = $self->_ddl_schema_up_out_filename($db, $version_set, $dir );
313 carp("Overwriting existing up-diff file - $diff_file");
319 my $t = SQL::Translator->new({
325 $t->parser( $db ) # could this really throw an exception?
326 or $self->throw_exception ($t->error);
328 my $out = $t->translate( $prefilename )
329 or $self->throw_exception ($t->error);
331 $source_schema = $t->schema;
333 $source_schema->name( $prefilename )
334 unless $source_schema->name;
337 # The "new" style of producers have sane normalization and can support
338 # diffing a SQL file against a DBIC->SQLT schema. Old style ones don't
339 # And we have to diff parsed SQL against parsed SQL.
340 my $dest_schema = $sqlt_schema;
342 unless ( "SQL::Translator::Producer::$db"->can('preprocess_schema') ) {
343 my $t = SQL::Translator->new({
349 $t->parser( $db ) # could this really throw an exception?
350 or $self->throw_exception ($t->error);
352 my $filename = $self->_ddl_schema_out_filename($db, $to_version, $dir);
353 my $out = $t->translate( $filename )
354 or $self->throw_exception ($t->error);
356 $dest_schema = $t->schema;
358 $dest_schema->name( $filename )
359 unless $dest_schema->name;
362 my $diff = SQL::Translator::Diff::schema_diff(
368 unless(open $file, q(>), $diff_file) {
369 $self->throw_exception("Can't write to $diff_file ($!)");
377 method _read_sql_file($file) {
380 open my $fh, '<', $file or carp("Can't open upgrade file, $file ($!)");
381 my @data = split /\n/, join '', <$fh>;
387 !/^(BEGIN|BEGIN TRANSACTION|COMMIT)/m
394 sub _upgrade_single_step {
396 my @version_set = @{ shift @_ };
397 my @upgrade_files = @{$self->_ddl_schema_up_in_filenames(
398 $self->storage->sqlt_type,
402 for my $upgrade_file (@upgrade_files) {
403 unless (-f $upgrade_file) {
405 carp "Upgrade not possible, no upgrade file found ($upgrade_file), please create one\n";
409 $self->_filedata($self->_read_sql_file($upgrade_file)); # I don't like this --fREW 2010-02-22
410 $self->schema->txn_do(sub { $self->_do_upgrade });
414 method _do_upgrade { $self->_run_upgrade(qr/.*?/) }
416 method _run_upgrade($stm) {
417 return unless $self->_filedata;
418 my @statements = grep { $_ =~ $stm } @{$self->_filedata};
421 $self->storage->debugobj->query_start($_) if $self->storage->debug;
422 $self->_apply_statement($_);
423 $self->storage->debugobj->query_end($_) if $self->storage->debug;
427 method _apply_statement($statement) {
429 $self->storage->dbh->do($_) or carp "SQL was: $_"
436 vim: ts=2 sw=2 expandtab