1 package DBIx::Class::Schema::Loader::DBI::InterBase;
5 use namespace::autoclean;
7 use base qw/DBIx::Class::Schema::Loader::DBI/;
8 use Carp::Clan qw/^DBIx::Class/;
10 our $VERSION = '0.05003';
14 DBIx::Class::Schema::Loader::DBI::InterBase - DBIx::Class::Schema::Loader::DBI
15 Firebird Implementation.
19 See L<DBIx::Class::Schema::Loader::Base>.
24 my ($self, $table) = @_;
26 my $dbh = $self->schema->storage->dbh;
27 my $sth = $dbh->prepare(<<'EOF');
28 SELECT iseg.rdb$field_name
29 FROM rdb$relation_constraints rc
30 JOIN rdb$index_segments iseg ON rc.rdb$index_name = iseg.rdb$index_name
31 WHERE rc.rdb$constraint_type = 'PRIMARY KEY' and rc.rdb$relation_name = ?
32 ORDER BY iseg.rdb$field_position
34 $sth->execute($table);
38 while (my ($col) = $sth->fetchrow_array) {
39 s/^\s+//, s/\s+\z// for $col;
41 push @keydata, lc $col;
48 my ($self, $table) = @_;
50 my ($local_cols, $remote_cols, $remote_table, @rels);
51 my $dbh = $self->schema->storage->dbh;
52 my $sth = $dbh->prepare(<<'EOF');
53 SELECT rc.rdb$constraint_name fk, iseg.rdb$field_name local_col, ri.rdb$relation_name remote_tab, riseg.rdb$field_name remote_col
54 FROM rdb$relation_constraints rc
55 JOIN rdb$index_segments iseg ON rc.rdb$index_name = iseg.rdb$index_name
56 JOIN rdb$indices li ON rc.rdb$index_name = li.rdb$index_name
57 JOIN rdb$indices ri ON li.rdb$foreign_key = ri.rdb$index_name
58 JOIN rdb$index_segments riseg ON iseg.rdb$field_position = riseg.rdb$field_position and ri.rdb$index_name = riseg.rdb$index_name
59 WHERE rc.rdb$constraint_type = 'FOREIGN KEY' and rc.rdb$relation_name = ?
60 ORDER BY iseg.rdb$field_position
62 $sth->execute($table);
64 while (my ($fk, $local_col, $remote_tab, $remote_col) = $sth->fetchrow_array) {
65 s/^\s+//, s/\s+\z// for $fk, $local_col, $remote_tab, $remote_col;
67 push @{$local_cols->{$fk}}, lc $local_col;
68 push @{$remote_cols->{$fk}}, lc $remote_col;
69 $remote_table->{$fk} = $remote_tab;
72 foreach my $fk (keys %$remote_table) {
74 local_columns => $local_cols->{$fk},
75 remote_columns => $remote_cols->{$fk},
76 remote_table => $remote_table->{$fk},
82 sub _table_uniq_info {
83 my ($self, $table) = @_;
85 my $dbh = $self->schema->storage->dbh;
86 my $sth = $dbh->prepare(<<'EOF');
87 SELECT rc.rdb$constraint_name, iseg.rdb$field_name
88 FROM rdb$relation_constraints rc
89 JOIN rdb$index_segments iseg ON rc.rdb$index_name = iseg.rdb$index_name
90 WHERE rc.rdb$constraint_type = 'UNIQUE' and rc.rdb$relation_name = ?
91 ORDER BY iseg.rdb$field_position
93 $sth->execute($table);
96 while (my ($constraint_name, $column) = $sth->fetchrow_array) {
97 s/^\s+//, s/\s+\z// for $constraint_name, $column;
99 push @{$constraints->{$constraint_name}}, lc $column;
102 my @uniqs = map { [ $_ => $constraints->{$_} ] } keys %$constraints;
108 L<DBIx::Class::Schema::Loader>, L<DBIx::Class::Schema::Loader::Base>,
109 L<DBIx::Class::Schema::Loader::DBI>
113 See L<DBIx::Class::Schema::Loader/AUTHOR> and L<DBIx::Class::Schema::Loader/CONTRIBUTORS>.
117 This library is free software; you can redistribute it and/or modify it under
118 the same terms as Perl itself.