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 $dirname, '001-auto.sql'
106 method _ddl_schema_diff_in_filenames($type, $versions, $dir) {
107 $self->__ddl_in_with_prefix($type, $versions, 'diff')
110 method _ddl_schema_diff_out_filename($type, $versions, $dir) {
111 my $dirname = File::Spec->catfile(
112 $dir, $type, 'diff', join( q(-), @{$versions} )
114 File::Path::mkpath($dirname) unless -d $dirname;
116 return File::Spec->catfile(
117 $dirname, '001-auto.sql'
121 method _deployment_statements {
122 my $dir = $self->upgrade_directory;
123 my $schema = $self->schema;
124 my $type = $self->storage->sqlt_type;
125 my $sqltargs = $self->sqltargs;
126 my $version = $self->schema_version;
128 my @filenames = @{$self->_ddl_schema_in_filenames($type, $version)};
130 for my $filename (@filenames) {
133 open $file, q(<), $filename
134 or carp "Can't open $filename ($!)";
137 return join '', @rows;
141 # sources needs to be a parser arg, but for simplicty allow at top level
143 $sqltargs->{parser_args}{sources} = delete $sqltargs->{sources}
144 if exists $sqltargs->{sources};
146 my $tr = SQL::Translator->new(
147 producer => "SQL::Translator::Producer::${type}",
149 parser => 'SQL::Translator::Parser::DBIx::Class',
156 @ret = $tr->translate;
159 $ret[0] = $tr->translate;
162 $schema->throw_exception( 'Unable to produce deployment statements: ' . $tr->error)
163 unless (@ret && defined $ret[0]);
165 return $wa ? @ret : $ret[0];
170 my $storage = $self->storage;
174 return if(!$line || $line =~ /^--|^BEGIN TRANSACTION|^COMMIT|^\s+$/);
175 $storage->_query_start($line);
177 # do a dbh_do cycle here, as we need some error checking in
178 # place (even though we will ignore errors)
179 $storage->dbh_do (sub { $_[1]->do($line) });
182 carp "$_ (running '${line}')"
184 $storage->_query_end($line);
186 my @statements = $self->_deployment_statements();
187 if (@statements > 1) {
188 foreach my $statement (@statements) {
189 $deploy->( $statement );
192 elsif (@statements == 1) {
193 foreach my $line ( split(";\n", $statements[0])) {
199 sub prepare_install {
201 my $schema = $self->schema;
202 my $databases = $self->databases;
203 my $dir = $self->upgrade_directory;
204 my $sqltargs = $self->sqltargs;
205 my $version = $schema->schema_version;
208 carp "Upgrade directory $dir does not exist, using ./\n";
213 my $sqlt = SQL::Translator->new({
215 ignore_constraint_names => 1,
216 ignore_index_names => 1,
217 parser => 'SQL::Translator::Parser::DBIx::Class',
221 my $sqlt_schema = $sqlt->translate({ data => $schema })
222 or $self->throw_exception ($sqlt->error);
224 foreach my $db (@$databases) {
226 $sqlt->{schema} = $sqlt_schema;
227 $sqlt->producer($db);
229 my $filename = $self->_ddl_schema_out_filename($db, $version, $dir);
231 carp "Overwriting existing DDL file - $filename";
235 my $output = $sqlt->translate;
237 carp("Failed to translate to $db, skipping. (" . $sqlt->error . ")");
241 unless( open $file, q(>), $filename ) {
242 $self->throw_exception("Can't open $filename for writing ($!)");
245 print {$file} $output;
251 my ($self, $from_version, $to_version, $version_set) = @_;
253 $from_version ||= $self->db_version;
254 $to_version ||= $self->schema_version;
256 # for updates prepared automatically (rob's stuff)
257 # one would want to explicitly set $version_set to
259 $version_set ||= [$from_version, $to_version];
260 my $schema = $self->schema;
261 my $databases = $self->databases;
262 my $dir = $self->upgrade_directory;
263 my $sqltargs = $self->sqltargs;
266 carp "Upgrade directory $dir does not exist, using ./\n";
270 my $schema_version = $schema->schema_version;
274 ignore_constraint_names => 1,
275 ignore_index_names => 1,
279 my $sqlt = SQL::Translator->new( $sqltargs );
281 $sqlt->parser('SQL::Translator::Parser::DBIx::Class');
282 my $sqlt_schema = $sqlt->translate({ data => $schema })
283 or $self->throw_exception ($sqlt->error);
285 foreach my $db (@$databases) {
287 $sqlt->{schema} = $sqlt_schema;
288 $sqlt->producer($db);
290 my $prefilename = $self->_ddl_schema_out_filename($db, $from_version, $dir);
291 unless(-e $prefilename) {
292 carp("No previous schema file found ($prefilename)");
296 my $diff_file = $self->_ddl_schema_diff_out_filename($db, $version_set, $dir );
298 carp("Overwriting existing diff file - $diff_file");
304 my $t = SQL::Translator->new({
310 $t->parser( $db ) # could this really throw an exception?
311 or $self->throw_exception ($t->error);
313 my $out = $t->translate( $prefilename )
314 or $self->throw_exception ($t->error);
316 $source_schema = $t->schema;
318 $source_schema->name( $prefilename )
319 unless $source_schema->name;
322 # The "new" style of producers have sane normalization and can support
323 # diffing a SQL file against a DBIC->SQLT schema. Old style ones don't
324 # And we have to diff parsed SQL against parsed SQL.
325 my $dest_schema = $sqlt_schema;
327 unless ( "SQL::Translator::Producer::$db"->can('preprocess_schema') ) {
328 my $t = SQL::Translator->new({
334 $t->parser( $db ) # could this really throw an exception?
335 or $self->throw_exception ($t->error);
337 my $filename = $self->_ddl_schema_out_filename($db, $to_version, $dir);
338 my $out = $t->translate( $filename )
339 or $self->throw_exception ($t->error);
341 $dest_schema = $t->schema;
343 $dest_schema->name( $filename )
344 unless $dest_schema->name;
347 my $diff = SQL::Translator::Diff::schema_diff(
353 unless(open $file, q(>), $diff_file) {
354 $self->throw_exception("Can't write to $diff_file ($!)");
362 method _read_sql_file($file) {
365 open my $fh, '<', $file or carp("Can't open upgrade file, $file ($!)");
366 my @data = split /\n/, join '', <$fh>;
372 !/^(BEGIN|BEGIN TRANSACTION|COMMIT)/m
379 sub _upgrade_single_step {
381 my @version_set = @{ shift @_ };
382 my @upgrade_files = @{$self->_ddl_schema_diff_in_filenames(
383 $self->storage->sqlt_type,
387 for my $upgrade_file (@upgrade_files) {
388 unless (-f $upgrade_file) {
390 carp "Upgrade not possible, no upgrade file found ($upgrade_file), please create one\n";
394 $self->_filedata($self->_read_sql_file($upgrade_file)); # I don't like this --fREW 2010-02-22
395 $self->schema->txn_do(sub { $self->_do_upgrade });
399 method _do_upgrade { $self->_run_upgrade(qr/.*?/) }
401 method _run_upgrade($stm) {
402 return unless $self->_filedata;
403 my @statements = grep { $_ =~ $stm } @{$self->_filedata};
406 $self->storage->debugobj->query_start($_) if $self->storage->debug;
407 $self->_apply_statement($_);
408 $self->storage->debugobj->query_end($_) if $self->storage->debug;
412 method _apply_statement($statement) {
414 $self->storage->dbh->do($_) or carp "SQL was: $_"
421 vim: ts=2 sw=2 expandtab