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 $VERSION = '0.05003';
15 DBIx::Class::Schema::Loader::DBI::InterBase - DBIx::Class::Schema::Loader::DBI
16 Firebird Implementation.
20 See L<DBIx::Class::Schema::Loader::Base> for available options.
24 sub _is_case_sensitive { 1 }
27 my ($self, $table) = @_;
29 my $dbh = $self->schema->storage->dbh;
30 my $sth = $dbh->prepare(<<'EOF');
31 SELECT iseg.rdb$field_name
32 FROM rdb$relation_constraints rc
33 JOIN rdb$index_segments iseg ON rc.rdb$index_name = iseg.rdb$index_name
34 WHERE rc.rdb$constraint_type = 'PRIMARY KEY' and rc.rdb$relation_name = ?
35 ORDER BY iseg.rdb$field_position
37 $sth->execute($table);
41 while (my ($col) = $sth->fetchrow_array) {
42 s/^\s+//, s/\s+\z// for $col;
51 my ($self, $table) = @_;
53 my ($local_cols, $remote_cols, $remote_table, @rels);
54 my $dbh = $self->schema->storage->dbh;
55 my $sth = $dbh->prepare(<<'EOF');
56 SELECT rc.rdb$constraint_name fk, iseg.rdb$field_name local_col, ri.rdb$relation_name remote_tab, riseg.rdb$field_name remote_col
57 FROM rdb$relation_constraints rc
58 JOIN rdb$index_segments iseg ON rc.rdb$index_name = iseg.rdb$index_name
59 JOIN rdb$indices li ON rc.rdb$index_name = li.rdb$index_name
60 JOIN rdb$indices ri ON li.rdb$foreign_key = ri.rdb$index_name
61 JOIN rdb$index_segments riseg ON iseg.rdb$field_position = riseg.rdb$field_position and ri.rdb$index_name = riseg.rdb$index_name
62 WHERE rc.rdb$constraint_type = 'FOREIGN KEY' and rc.rdb$relation_name = ?
63 ORDER BY iseg.rdb$field_position
65 $sth->execute($table);
67 while (my ($fk, $local_col, $remote_tab, $remote_col) = $sth->fetchrow_array) {
68 s/^\s+//, s/\s+\z// for $fk, $local_col, $remote_tab, $remote_col;
70 push @{$local_cols->{$fk}}, $local_col;
71 push @{$remote_cols->{$fk}}, $remote_col;
72 $remote_table->{$fk} = $remote_tab;
75 foreach my $fk (keys %$remote_table) {
77 local_columns => $local_cols->{$fk},
78 remote_columns => $remote_cols->{$fk},
79 remote_table => $remote_table->{$fk},
85 sub _table_uniq_info {
86 my ($self, $table) = @_;
88 my $dbh = $self->schema->storage->dbh;
89 my $sth = $dbh->prepare(<<'EOF');
90 SELECT rc.rdb$constraint_name, iseg.rdb$field_name
91 FROM rdb$relation_constraints rc
92 JOIN rdb$index_segments iseg ON rc.rdb$index_name = iseg.rdb$index_name
93 WHERE rc.rdb$constraint_type = 'UNIQUE' and rc.rdb$relation_name = ?
94 ORDER BY iseg.rdb$field_position
96 $sth->execute($table);
99 while (my ($constraint_name, $column) = $sth->fetchrow_array) {
100 s/^\s+//, s/\s+\z// for $constraint_name, $column;
102 push @{$constraints->{$constraint_name}}, $column;
105 my @uniqs = map { [ $_ => $constraints->{$_} ] } keys %$constraints;
109 sub _extra_column_info {
110 my ($self, $table, $column, $info, $dbi_info) = @_;
113 my $dbh = $self->schema->storage->dbh;
115 local $dbh->{LongReadLen} = 100000;
116 local $dbh->{LongTruncOk} = 1;
118 my $sth = $dbh->prepare(<<'EOF');
119 SELECT t.rdb$trigger_source
121 WHERE t.rdb$relation_name = ?
123 $sth->execute($table);
125 while (my ($trigger) = $sth->fetchrow_array) {
126 my @trig_cols = map {
127 /^"([^"]+)/ ? $1 : uc($1)
128 } $trigger =~ /new\.("?\w+"?)/ig;
130 my ($quoted, $generator) = $trigger =~
131 /(?:gen_id\s* \( \s* |next \s* value \s* for \s*)(")?(\w+)/ix;
133 $generator = uc $generator unless $quoted;
135 if ((first { $_ eq $column } @trig_cols) && $generator) {
136 $extra_info{is_auto_increment} = 1;
137 $extra_info{sequence} = $generator;
141 # fix up DT types, no idea which other types are fucked
142 if ($info->{data_type} eq '11') {
143 $extra_info{data_type} = 'TIMESTAMP';
145 elsif ($info->{data_type} eq '9') {
146 $extra_info{data_type} = 'DATE';
150 $sth = $dbh->prepare(<<'EOF');
151 SELECT rf.rdb$default_source
152 FROM rdb$relation_fields rf
153 WHERE rf.rdb$relation_name = ?
154 AND rf.rdb$field_name = ?
156 $sth->execute($table, $column);
157 my ($default_src) = $sth->fetchrow_array;
159 if ($default_src && (my ($def) = $default_src =~ /^DEFAULT \s+ (\S+)/ix)) {
160 if (my ($quoted) = $def =~ /^'(.*?)'\z/) {
161 $extra_info{default_value} = $quoted;
164 $extra_info{default_value} = $def =~ /^\d/ ? $def : \$def;
173 L<DBIx::Class::Schema::Loader>, L<DBIx::Class::Schema::Loader::Base>,
174 L<DBIx::Class::Schema::Loader::DBI>
178 See L<DBIx::Class::Schema::Loader/AUTHOR> and L<DBIx::Class::Schema::Loader/CONTRIBUTORS>.
182 This library is free software; you can redistribute it and/or modify it under
183 the same terms as Perl itself.