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/;
9 use List::Util 'first';
11 our $VERSION = '0.05003';
15 DBIx::Class::Schema::Loader::DBI::InterBase - DBIx::Class::Schema::Loader::DBI
16 Firebird Implementation.
20 See L<DBIx::Class::Schema::Loader::Base>.
25 my ($self, $table) = @_;
27 my $dbh = $self->schema->storage->dbh;
28 my $sth = $dbh->prepare(<<'EOF');
29 SELECT iseg.rdb$field_name
30 FROM rdb$relation_constraints rc
31 JOIN rdb$index_segments iseg ON rc.rdb$index_name = iseg.rdb$index_name
32 WHERE rc.rdb$constraint_type = 'PRIMARY KEY' and rc.rdb$relation_name = ?
33 ORDER BY iseg.rdb$field_position
35 $sth->execute($table);
39 while (my ($col) = $sth->fetchrow_array) {
40 s/^\s+//, s/\s+\z// for $col;
42 push @keydata, lc $col;
49 my ($self, $table) = @_;
51 my ($local_cols, $remote_cols, $remote_table, @rels);
52 my $dbh = $self->schema->storage->dbh;
53 my $sth = $dbh->prepare(<<'EOF');
54 SELECT rc.rdb$constraint_name fk, iseg.rdb$field_name local_col, ri.rdb$relation_name remote_tab, riseg.rdb$field_name remote_col
55 FROM rdb$relation_constraints rc
56 JOIN rdb$index_segments iseg ON rc.rdb$index_name = iseg.rdb$index_name
57 JOIN rdb$indices li ON rc.rdb$index_name = li.rdb$index_name
58 JOIN rdb$indices ri ON li.rdb$foreign_key = ri.rdb$index_name
59 JOIN rdb$index_segments riseg ON iseg.rdb$field_position = riseg.rdb$field_position and ri.rdb$index_name = riseg.rdb$index_name
60 WHERE rc.rdb$constraint_type = 'FOREIGN KEY' and rc.rdb$relation_name = ?
61 ORDER BY iseg.rdb$field_position
63 $sth->execute($table);
65 while (my ($fk, $local_col, $remote_tab, $remote_col) = $sth->fetchrow_array) {
66 s/^\s+//, s/\s+\z// for $fk, $local_col, $remote_tab, $remote_col;
68 push @{$local_cols->{$fk}}, lc $local_col;
69 push @{$remote_cols->{$fk}}, lc $remote_col;
70 $remote_table->{$fk} = $remote_tab;
73 foreach my $fk (keys %$remote_table) {
75 local_columns => $local_cols->{$fk},
76 remote_columns => $remote_cols->{$fk},
77 remote_table => $remote_table->{$fk},
83 sub _table_uniq_info {
84 my ($self, $table) = @_;
86 my $dbh = $self->schema->storage->dbh;
87 my $sth = $dbh->prepare(<<'EOF');
88 SELECT rc.rdb$constraint_name, iseg.rdb$field_name
89 FROM rdb$relation_constraints rc
90 JOIN rdb$index_segments iseg ON rc.rdb$index_name = iseg.rdb$index_name
91 WHERE rc.rdb$constraint_type = 'UNIQUE' and rc.rdb$relation_name = ?
92 ORDER BY iseg.rdb$field_position
94 $sth->execute($table);
97 while (my ($constraint_name, $column) = $sth->fetchrow_array) {
98 s/^\s+//, s/\s+\z// for $constraint_name, $column;
100 push @{$constraints->{$constraint_name}}, lc $column;
103 my @uniqs = map { [ $_ => $constraints->{$_} ] } keys %$constraints;
107 sub _extra_column_info {
108 my ($self, $table, $column, $info, $dbi_info) = @_;
111 my $dbh = $self->schema->storage->dbh;
113 local $dbh->{LongReadLen} = 100000;
114 local $dbh->{LongTruncOk} = 1;
116 my $sth = $dbh->prepare(<<'EOF');
117 SELECT t.rdb$trigger_source
119 WHERE t.rdb$relation_name = ?
121 $sth->execute($table);
123 while (my ($trigger) = $sth->fetchrow_array) {
124 my @trig_cols = $trigger =~ /new\."?(\w+)/ig;
126 my ($generator) = $trigger =~
127 /(?:gen_id\s* \( \s* |next \s* value \s* for \s*)"?(\w+)/ix;
129 if (first { lc($_) eq lc($column) } @trig_cols) {
130 $extra_info{is_auto_increment} = 1;
131 $extra_info{sequence} = $generator;
135 # fix up DT types, no idea which other types are fucked
136 if ($info->{data_type} eq '11') {
137 $extra_info{data_type} = 'TIMESTAMP';
139 elsif ($info->{data_type} eq '9') {
140 $extra_info{data_type} = 'DATE';
144 $sth = $dbh->prepare(<<'EOF');
145 SELECT rf.rdb$default_source
146 FROM rdb$relation_fields rf
147 WHERE rf.rdb$relation_name = ?
148 AND rf.rdb$field_name = ?
150 $sth->execute($table, uc $column);
151 my ($default_src) = $sth->fetchrow_array;
153 if ($default_src && (my ($def) = $default_src =~ /^DEFAULT \s+ (\S+)/ix)) {
154 if (my ($quoted) = $def =~ /^'(.*?)'\z/) {
155 $extra_info{default_value} = $quoted;
158 $extra_info{default_value} = $def =~ /^\d/ ? $def : \$def;
167 L<DBIx::Class::Schema::Loader>, L<DBIx::Class::Schema::Loader::Base>,
168 L<DBIx::Class::Schema::Loader::DBI>
172 See L<DBIx::Class::Schema::Loader/AUTHOR> and L<DBIx::Class::Schema::Loader/CONTRIBUTORS>.
176 This library is free software; you can redistribute it and/or modify it under
177 the same terms as Perl itself.