env_prefix => 'DBICDH'
});
-use Method::Signatures::Simple;
use Try::Tiny;
use SQL::Translator;
default => undef,
);
+has force_overwrite => (
+ isa => 'Bool',
+ is => 'ro',
+ default => undef,
+);
+
has schema => (
isa => 'DBIx::Class::Schema',
is => 'ro',
lazy_build => 1,
);
-method _build_storage {
+sub _build_storage {
+ my $self = shift;
my $s = $self->schema->storage;
$s->_determine_driver;
$s
# this will probably never get called as the DBICDH
# will be passing down a schema_version normally, which
# is built the same way, but we leave this in place
-method _build_schema_version { $self->schema->schema_version }
+sub _build_schema_version {
+ my $self = shift;
+ $self->schema->schema_version
+}
-method __ddl_consume_with_prefix($type, $versions, $prefix) {
+sub __ddl_consume_with_prefix {
+ my ($self, $type, $versions, $prefix) = @_;
my $base_dir = $self->script_directory;
my $main = catfile( $base_dir, $type );
my $common =
catfile( $base_dir, '_common', $prefix, join q(-), @{$versions} );
+ my $common_any =
+ catfile( $base_dir, '_common', $prefix, '_any' );
+
my $dir;
if (-d $main) {
$dir = catfile($main, $prefix, join q(-), @{$versions})
croak "$main does not exist; please write/generate some SQL"
}
}
+ my $dir_any = catfile($main, $prefix, '_any');
my %files;
try {
} catch {
die $_ unless $self->ignore_ddl;
};
- if (-d $common) {
- opendir my($dh), $common;
- for my $filename (grep { /\.(?:sql|pl)$/ && -f catfile($common,$_) } readdir $dh) {
+ for my $dirname (grep { -d $_ } $common, $common_any, $dir_any) {
+ opendir my($dh), $dirname;
+ for my $filename (grep { /\.(?:sql|pl)$/ && -f catfile($dirname,$_) } readdir $dh) {
unless ($files{$filename}) {
- $files{$filename} = catfile($common,$filename);
+ $files{$filename} = catfile($dirname,$filename);
}
}
closedir $dh;
return [@files{sort keys %files}]
}
-method _ddl_initialize_consume_filenames($type, $version) {
+sub _ddl_initialize_consume_filenames {
+ my ($self, $type, $version) = @_;
$self->__ddl_consume_with_prefix($type, [ $version ], 'initialize')
}
-method _ddl_schema_consume_filenames($type, $version) {
+sub _ddl_schema_consume_filenames {
+ my ($self, $type, $version) = @_;
$self->__ddl_consume_with_prefix($type, [ $version ], 'deploy')
}
-method _ddl_protoschema_deploy_consume_filenames($version) {
+sub _ddl_protoschema_deploy_consume_filenames {
+ my ($self, $version) = @_;
my $base_dir = $self->script_directory;
my $dir = catfile( $base_dir, '_source', 'deploy', $version);
return [@files{sort keys %files}]
}
-method _ddl_protoschema_upgrade_consume_filenames($versions) {
+sub _ddl_protoschema_upgrade_consume_filenames {
+ my ($self, $versions) = @_;
my $base_dir = $self->script_directory;
my $dir = catfile( $base_dir, '_preprocess_schema', 'upgrade', join q(-), @{$versions});
return [@files{sort keys %files}]
}
-method _ddl_protoschema_downgrade_consume_filenames($versions) {
+sub _ddl_protoschema_downgrade_consume_filenames {
+ my ($self, $versions) = @_;
my $base_dir = $self->script_directory;
my $dir = catfile( $base_dir, '_preprocess_schema', 'downgrade', join q(-), @{$versions});
return [@files{sort keys %files}]
}
-method _ddl_protoschema_produce_filename($version) {
+sub _ddl_protoschema_produce_filename {
+ my ($self, $version) = @_;
my $dirname = catfile( $self->script_directory, '_source', 'deploy', $version );
mkpath($dirname) unless -d $dirname;
return catfile( $dirname, '001-auto.yml' );
}
-method _ddl_schema_produce_filename($type, $version) {
+sub _ddl_schema_produce_filename {
+ my ($self, $type, $version) = @_;
my $dirname = catfile( $self->script_directory, $type, 'deploy', $version );
mkpath($dirname) unless -d $dirname;
return catfile( $dirname, '001-auto.sql' );
}
-method _ddl_schema_upgrade_consume_filenames($type, $versions) {
+sub _ddl_schema_upgrade_consume_filenames {
+ my ($self, $type, $versions) = @_;
$self->__ddl_consume_with_prefix($type, $versions, 'upgrade')
}
-method _ddl_schema_downgrade_consume_filenames($type, $versions) {
+sub _ddl_schema_downgrade_consume_filenames {
+ my ($self, $type, $versions) = @_;
$self->__ddl_consume_with_prefix($type, $versions, 'downgrade')
}
-method _ddl_schema_upgrade_produce_filename($type, $versions) {
+sub _ddl_schema_upgrade_produce_filename {
+ my ($self, $type, $versions) = @_;
my $dir = $self->script_directory;
my $dirname = catfile( $dir, $type, 'upgrade', join q(-), @{$versions});
return catfile( $dirname, '001-auto.sql' );
}
-method _ddl_schema_downgrade_produce_filename($type, $versions, $dir) {
+sub _ddl_schema_downgrade_produce_filename {
+ my ($self, $type, $versions, $dir) = @_;
my $dirname = catfile( $dir, $type, 'downgrade', join q(-), @{$versions} );
mkpath($dirname) unless -d $dirname;
return catfile( $dirname, '001-auto.sql');
}
-method _run_sql_array($sql) {
+sub _run_sql_array {
+ my ($self, $sql) = @_;
my $storage = $self->storage;
$sql = [grep {
return join "\n", @$sql
}
-method _run_sql($filename) {
+sub _run_sql {
+ my ($self, $filename) = @_;
log_debug { "Running SQL from $filename" };
return $self->_run_sql_array($self->_read_sql_file($filename));
}
-method _run_perl($filename) {
+sub _run_perl {
+ my ($self, $filename, $versions) = @_;
log_debug { "Running Perl from $filename" };
my $filedata = do { local( @ARGV, $/ ) = $filename; <> };
Dlog_trace { "Running Perl $_" } $fn;
if ($@) {
- carp "$filename failed to compile: $@";
+ croak "$filename failed to compile: $@";
} elsif (ref $fn eq 'CODE') {
- $fn->($self->schema)
+ $fn->($self->schema, $versions)
} else {
- carp "$filename should define an anonymouse sub that takes a schema but it didn't!";
+ croak "$filename should define an anonymouse sub that takes a schema but it didn't!";
}
}
-method _run_sql_and_perl($filenames, $sql_to_run) {
+sub _run_sql_and_perl {
+ my ($self, $filenames, $sql_to_run, $versions) = @_;
my @files = @{$filenames};
my $guard = $self->schema->txn_scope_guard if $self->txn_wrap;
} elsif ($filename =~ /\.sql$/) {
$sql .= $self->_run_sql($filename)
} elsif ( $filename =~ /\.pl$/ ) {
- $self->_run_perl($filename)
+ $self->_run_perl($filename, $versions)
} else {
croak "A file ($filename) got to deploy that wasn't sql or perl!";
}
return $self->_run_sql_and_perl($self->_ddl_schema_consume_filenames(
$sqlt_type,
$version,
- ), $sql);
+ ), $sql, [$version]);
}
sub initialize {
use warnings;
if ($@) {
- carp "$filename failed to compile: $@";
+ croak "$filename failed to compile: $@";
} elsif (ref $fn eq 'CODE') {
$fn->()
} else {
- carp "$filename should define an anonymous sub but it didn't!";
+ croak "$filename should define an anonymous sub but it didn't!";
}
} else {
croak "A file ($filename) got to initialize_scripts that wasn't sql or perl!";
}
}
-method _sqldiff_from_yaml($from_version, $to_version, $db, $direction) {
+sub _sqldiff_from_yaml {
+ my ($self, $from_version, $to_version, $db, $direction) = @_;
my $dir = $self->script_directory;
my $sqltargs = {
add_drop_table => 1,
)];
}
-method _sql_from_yaml($sqltargs, $from_file, $db) {
+sub _sql_from_yaml {
+ my ($self, $sqltargs, $from_file, $db) = @_;
my $schema = $self->schema;
my $version = $self->schema_version;
my $filename = $self->$to_file($db, $version, $dir);
if (-e $filename ) {
- carp "Overwriting existing DDL file - $filename";
- unlink $filename;
+ if ($self->force_overwrite) {
+ carp "Overwriting existing DDL file - $filename";
+ unlink $filename;
+ } else {
+ die "Cannot overwrite '$filename', either enable force_overwrite or delete it"
+ }
}
open my $file, q(>), $filename;
print {$file} join ";\n", @$sql;
sub install_resultsource {
my ($self, $args) = @_;
- my $source = $args->{result_source};
- my $version = $args->{version};
+ my $source = $args->{result_source}
+ or die 'result_source must be passed to install_resultsource';
+ my $version = $args->{version}
+ or die 'version must be passed to install_resultsource';
log_info { 'installing_resultsource ' . $source->source_name . ", version $version" };
my $rs_install_file =
$self->_resultsource_install_filename($source->source_name);
$version,
)
];
- $self->_run_sql_and_perl($files);
+ $self->_run_sql_and_perl($files, '', [$version]);
}
sub prepare_resultsource_install {
);
}
-method _coderefs_per_files($files) {
+sub _coderefs_per_files {
+ my ($self, $files) = @_;
no warnings 'redefine';
[map eval do { local( @ARGV, $/ ) = $_; <> }, @$files]
}
-method _prepare_changegrade($from_version, $to_version, $version_set, $direction) {
+sub _prepare_changegrade {
+ my ($self, $from_version, $to_version, $version_set, $direction) = @_;
my $schema = $self->schema;
my $databases = $self->databases;
my $dir = $self->script_directory;
foreach my $db (@$databases) {
my $diff_file = $self->$diff_file_method($db, $version_set, $dir );
if(-e $diff_file) {
- carp("Overwriting existing $direction-diff file - $diff_file");
- unlink $diff_file;
+ if ($self->force_overwrite) {
+ carp("Overwriting existing $direction-diff file - $diff_file");
+ unlink $diff_file;
+ } else {
+ die "Cannot overwrite '$diff_file', either enable force_overwrite or delete it"
+ }
}
open my $file, q(>), $diff_file;
}
}
-method _read_sql_file($file) {
+sub _read_sql_file {
+ my ($self, $file) = @_;
return unless $file;
open my $fh, '<', $file;
my $sql = $self->_run_sql_and_perl($self->_ddl_schema_downgrade_consume_filenames(
$sqlt_type,
$version_set,
- ), $sql_to_run);
+ ), $sql_to_run, $version_set);
return ['', $sql];
}
my $sql = $self->_run_sql_and_perl($self->_ddl_schema_upgrade_consume_filenames(
$sqlt_type,
$version_set,
- ), $sql_to_run);
+ ), $sql_to_run, $version_set);
return ['', $sql];
}
unless $yml;
if (-e $filename ) {
- carp "Overwriting existing DDL-YML file - $filename";
- unlink $filename;
+ if ($self->force_overwrite) {
+ carp "Overwriting existing DDL-YML file - $filename";
+ unlink $filename;
+ } else {
+ die "Cannot overwrite '$filename', either enable force_overwrite or delete it"
+ }
}
open my $file, q(>), $filename;
| | `- 002-remove-customers.pl
| `- upgrade
| `- 1-2
- | `- 002-generate-customers.pl
+ | | `- 002-generate-customers.pl
+ | `- _any
+ | `- 999-bump-action.pl
`- MySQL
|- downgrade
| `- 2-1
$dm->upgrade_single_step([1,2])
would run C<$sql_migration_dir/SQLite/upgrade/1-2/001-auto.sql> followed by
-C<$sql_migration_dir/_common/upgrade/1-2/002-generate-customers.pl>.
+C<$sql_migration_dir/_common/upgrade/1-2/002-generate-customers.pl>, and
+finally punctuated by
+C<$sql_migration_dir/_common/upgrade/_any/999-bump-action.pl>.
C<.pl> files don't have to be in the C<_common> directory, but most of the time
they should be, because perl scripts are generally database independent.
your storage type is. If you are not sure what your storage type is, take a
look at the producers listed for L<SQL::Translator>. Also note, C<_common>
is a special case. C<_common> will get merged into whatever other files you
-already have. This directory can containt the following directories itself:
+already have. This directory can contain the following directories itself:
=over 2
=back
+Note that there can be an C<_any> in the place of any of the versions (like
+C<1-2> or C<1>), which means those scripts will be run B<every> time. So if
+you have an C<_any> in C<_common/upgrade>, that script will get run for every
+upgrade.
+
=head1 PERL SCRIPTS
A perl script for this tool is very simple. It merely needs to contain an
-anonymous sub that takes a L<DBIx::Class::Schema> as it's only argument.
+anonymous sub that takes a L<DBIx::Class::Schema> and the version set as it's
+arguments.
+
A very basic perl script might look like:
#!perl
sub {
my $schema = shift;
+ # [1] for deploy, [1,2] for upgrade or downgrade, probably used with _any
+ my $versions = shift;
+
$schema->resultset('Users')->create({
name => 'root',
password => 'root',
probably the best plan of action as you will not be putting as many generated
files in your version control. Goes well with with C<databases> of C<[]>.
+=attr force_overwrite
+
+When this attribute is true generated files will be overwritten when the
+methods which create such files are run again. The default is false, in which
+case the program will die with a message saying which file needs to be deleted.
+
=attr schema
The L<DBIx::Class::Schema> (B<required>) that is used to talk to the database