1 package # hide from PAUSE
2 SQL::Translator::Parser::DBIx::Class;
4 # AUTHOR: Jess Robinson
6 # Some mistakes the fault of Matt S Trout
10 use vars qw($DEBUG $VERSION @EXPORT_OK);
11 $DEBUG = 0 unless defined $DEBUG;
12 $VERSION = sprintf "%d.%02d", q$Revision 1.0$ =~ /(\d+)\.(\d+)/;
16 use SQL::Translator::Utils qw(debug normalize_name);
18 use base qw(Exporter);
20 @EXPORT_OK = qw(parse);
22 # -------------------------------------------------------------------
25 # Note that $data, in the case of this parser, is not useful.
26 # We're working with DBIx::Class Schemas, not data streams.
27 # -------------------------------------------------------------------
30 my $args = $tr->parser_args;
31 my $dbixschema = $args->{'DBIx::Schema'} || $data;
32 $dbixschema ||= $args->{'package'};
34 die 'No DBIx::Schema' unless ($dbixschema);
35 if (!ref $dbixschema) {
36 eval "use $dbixschema;";
37 die "Can't load $dbixschema ($@)" if($@);
40 my $schema = $tr->schema;
43 # print Dumper($dbixschema->registered_classes);
45 #foreach my $tableclass ($dbixschema->registered_classes)
49 foreach my $moniker ($dbixschema->sources)
51 #eval "use $tableclass";
52 #print("Can't load $tableclass"), next if($@);
53 my $source = $dbixschema->source($moniker);
55 next if $seen_tables{$source->name}++;
57 my $table = $schema->add_table(
58 name => $source->name,
60 ) || die $schema->error;
62 foreach my $col ($source->columns)
64 # assuming column_info in dbix is the same as DBI (?)
65 # data_type is a number, column_type is text?
69 is_auto_increment => 0,
72 %{$source->column_info($col)}
74 if ($colinfo{is_nullable}) {
75 $colinfo{default} = '' unless exists $colinfo{default};
77 my $f = $table->add_field(%colinfo) || die $table->error;
79 $table->primary_key($source->primary_columns);
81 my @primary = $source->primary_columns;
82 my %unique_constraints = $source->unique_constraints;
83 foreach my $uniq (keys %unique_constraints) {
84 if (!$source->compare_relationship_keys($unique_constraints{$uniq}, \@primary)) {
85 $table->add_constraint(
88 fields => $unique_constraints{$uniq}
93 my @rels = $source->relationships();
94 foreach my $rel (@rels)
96 my $rel_info = $source->relationship_info($rel);
98 # Ignore any rel cond that isn't a straight hash
99 next unless ref $rel_info->{cond} eq 'HASH';
101 my $othertable = $source->related_source($rel);
102 my $rel_table = $othertable->name;
104 # Get the key information, mapping off the foreign/self markers
105 my @cond = keys(%{$rel_info->{cond}});
106 my @refkeys = map {/^\w+\.(\w+)$/} @cond;
107 my @keys = map {$rel_info->{cond}->{$_} =~ /^\w+\.(\w+)$/} @cond;
112 my $reverse_rels = $source->reverse_relationship_info($rel);
113 my ($otherrelname, $otherrelationship) = each %{$reverse_rels};
118 if (defined $otherrelationship) {
119 $on_delete = $otherrelationship->{'attrs'}->{cascade_delete} ? 'CASCADE' : '';
120 $on_update = $otherrelationship->{'attrs'}->{cascade_copy} ? 'CASCADE' : '';
123 #Decide if this is a foreign key based on whether the self
124 #items are our primary columns.
126 # If the sets are different, then we assume it's a foreign key from
127 # us to another table.
128 if (!$source->compare_relationship_keys(\@keys, \@primary)) {
129 $table->add_constraint(
130 type => 'foreign_key',
131 name => "fk_$keys[0]",
133 reference_fields => \@refkeys,
134 reference_table => $rel_table,
135 on_delete => $on_delete,
136 on_update => $on_update