use strict;
use warnings;
-use vars qw($DEBUG $VERSION @EXPORT_OK);
+our ($DEBUG, $VERSION, @EXPORT_OK);
$VERSION = '1.10';
$DEBUG = 0 unless defined $DEBUG;
use Exporter;
use SQL::Translator::Utils qw(debug normalize_name);
-use Carp::Clan qw/^SQL::Translator|^DBIx::Class|^Try::Tiny/;
-use Scalar::Util 'weaken';
+use DBIx::Class::Carp qw/^SQL::Translator|^DBIx::Class|^Try::Tiny/;
+use DBIx::Class::Exception;
+use Scalar::Util 'blessed';
use Try::Tiny;
use namespace::clean;
# We're working with DBIx::Class Schemas, not data streams.
# -------------------------------------------------------------------
sub parse {
- # this is a hack to prevent schema leaks due to a retarded SQLT implementation
- # DO NOT REMOVE (until SQLT2 is out, the all of this will be rewritten anyway)
- weaken $_[1] if ref ($_[1]);
-
my ($tr, $data) = @_;
my $args = $tr->parser_args;
- my $dbicschema = $args->{'DBIx::Class::Schema'} || $args->{"DBIx::Schema"} ||$data;
- $dbicschema ||= $args->{'package'};
- my $limit_sources = $args->{'sources'};
- croak 'No DBIx::Class::Schema' unless ($dbicschema);
- if (!ref $dbicschema) {
- try {
- eval "require $dbicschema;"
- }
- catch {
- croak "Can't load $dbicschema ($_)";
+ my $dbicschema = $data || $args->{dbic_schema};
+
+ for (qw(DBIx::Class::Schema DBIx::Schema package)) {
+ if (defined (my $s = delete $args->{$_} )) {
+ carp_unique("Supplying a schema via ... parser_args => { '$_' => \$schema } is deprecated. Please use parser_args => { dbic_schema => \$schema } instead");
+
+ # move it from the deprecated to the proper $args slot
+ unless ($dbicschema) {
+ $args->{dbic_schema} = $dbicschema = $s;
+ }
}
}
+ DBIx::Class::Exception->throw('No DBIx::Class::Schema') unless ($dbicschema);
+
+ if (!ref $dbicschema) {
+ eval "require $dbicschema"
+ or DBIx::Class::Exception->throw("Can't load $dbicschema: $@");
+ }
+
+ if (
+ ref $args->{dbic_schema}
+ and
+ $args->{dbic_schema}->storage
+ ) {
+ # we have a storage-holding $schema instance in $args
+ # we need to dissociate it from that $storage
+ # otherwise SQLT insanity may ensue due to how some
+ # serializing producers treat $args (crazy crazy shit)
+ local $args->{dbic_schema}{storage};
+ $args->{dbic_schema} = $args->{dbic_schema}->clone;
+ }
+
my $schema = $tr->schema;
my $table_no = 0;
unless ($schema->name);
my @monikers = sort $dbicschema->sources;
- if ($limit_sources) {
+ if (my $limit_sources = $args->{'sources'}) {
my $ref = ref $limit_sources || '';
$dbicschema->throw_exception ("'sources' parameter must be an array or hash ref")
unless( $ref eq 'ARRAY' || ref eq 'HASH' );
# Ignore any rel cond that isn't a straight hash
next unless ref $rel_info->{cond} eq 'HASH';
- my $relsource = $source->related_source($rel);
+ my $relsource = try { $source->related_source($rel) };
+ unless ($relsource) {
+ carp "Ignoring relationship '$rel' - related resultsource '$rel_info->{class}' is not registered with this schema\n";
+ next;
+ };
# related sources might be excluded via a {sources} filter or might be views
next unless exists $table_monikers{$relsource->source_name};
# the hook might have already removed the table
if ($schema->get_table($table) && $table =~ /^ \s* \( \s* SELECT \s+/ix) {
- warn <<'EOW';
+ carp <<'EOW';
Custom SQL through ->name(\'( SELECT ...') is DEPRECATED, for more details see
"Arbitrary SQL through a custom ResultSource" in DBIx::Class::Manual::Cookbook
my $view_dependencies = {
map {
- $_ => _resolve_view_deps( $dbicschema->source($_), \%view_monikers )
+ $_ => _resolve_deps( $dbicschema->source($_), \%view_monikers )
} ( keys %view_monikers )
};
# Quick and dirty dependency graph calculator
#
sub _resolve_deps {
- my ($table, $tables, $seen) = @_;
-
- my $ret = {};
- $seen ||= {};
-
- # copy and bump all deps by one (so we can reconstruct the chain)
- my %seen = map { $_ => $seen->{$_} + 1 } (keys %$seen);
- $seen{$table} = 1;
-
- for my $dep (keys %{$tables->{$table}{foreign_table_deps}} ) {
-
- if ($seen->{$dep}) {
-
- # warn and remove the circular constraint so we don't get flooded with the same warning over and over
- #carp sprintf ("Circular dependency detected, schema may not be deployable:\n%s\n",
- # join (' -> ', (sort { $seen->{$b} <=> $seen->{$a} } (keys %$seen) ), $table, $dep )
- #);
- #delete $tables->{$table}{foreign_table_deps}{$dep};
-
- return {};
- }
-
- my $subdeps = _resolve_deps ($dep, $tables, \%seen);
- $ret->{$_} += $subdeps->{$_} for ( keys %$subdeps );
-
- ++$ret->{$dep};
- }
-
- return $ret;
-}
-
-sub _resolve_view_deps {
- my ( $view, $monikers, $seen ) = @_;
-
+ my ( $question, $answers, $seen ) = @_;
my $ret = {};
$seen ||= {};
+ my @deps;
# copy and bump all deps by one (so we can reconstruct the chain)
my %seen = map { $_ => $seen->{$_} + 1 } ( keys %$seen );
- $seen{ $view->source_name } = 1;
- for my $dep ( keys %{ $view->{deploy_depends_on} } ) {
+ if ( blessed($question)
+ && $question->isa('DBIx::Class::ResultSource::View') )
+ {
+ $seen{ $question->result_class } = 1;
+ @deps = keys %{ $question->{deploy_depends_on} };
+ }
+ else {
+ $seen{$question} = 1;
+ @deps = keys %{ $answers->{$question}{foreign_table_deps} };
+ }
+
+ for my $dep (@deps) {
if ( $seen->{$dep} ) {
return {};
}
- my ($new_source_name) =
- grep { $view->schema->source($_)->name eq $dep }
- @{ [ $view->schema->sources ] };
- my $subdeps =
- _resolve_view_deps( $view->schema->source($new_source_name),
- $monikers, \%seen, );
- $ret->{$_} += $subdeps->{$_} for ( keys %$subdeps );
+ my $next_dep;
+ if ( blessed($question)
+ && $question->isa('DBIx::Class::ResultSource::View') )
+ {
+ no warnings 'uninitialized';
+ my ($next_dep_source_name) =
+ grep {
+ $question->schema->source($_)->result_class eq $dep
+ && !( $question->schema->source($_)
+ ->isa('DBIx::Class::ResultSource::Table') )
+ } @{ [ $question->schema->sources ] };
+ return {} unless $next_dep_source_name;
+ $next_dep = $question->schema->source($next_dep_source_name);
+ }
+ else {
+ $next_dep = $dep;
+ }
+ my $subdeps = _resolve_deps( $next_dep, $answers, \%seen );
+ $ret->{$_} += $subdeps->{$_} for ( keys %$subdeps );
++$ret->{$dep};
}
return $ret;
my $trans = SQL::Translator->new (
parser => 'SQL::Translator::Parser::DBIx::Class',
parser_args => {
- package => $schema,
+ dbic_schema => $schema,
add_fk_index => 0,
sources => [qw/
Artist
=head1 PARSER OPTIONS
+=head2 dbic_schema
+
+The DBIx::Class schema (either an instance or a class name) to be parsed.
+This argument is in fact optional - instead one can supply it later at
+translation time as an argument to L<SQL::Translator/translate>. In
+other words both of the following invocations are valid and will produce
+conceptually identical output:
+
+ my $yaml = SQL::Translator->new(
+ parser => 'SQL::Translator::Parser::DBIx::Class',
+ parser_args => {
+ dbic_schema => $schema,
+ },
+ producer => 'SQL::Translator::Producer::YAML',
+ )->translate;
+
+ my $yaml = SQL::Translator->new(
+ parser => 'SQL::Translator::Parser::DBIx::Class',
+ producer => 'SQL::Translator::Producer::YAML',
+ )->translate(data => $schema);
+
=head2 add_fk_index
Create an index for each foreign key.