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 }
29 $self->schema->storage->sql_maker->quote_char('"');
30 $self->schema->storage->sql_maker->name_sep('.');
34 my ($self, $table) = @_;
36 my $dbh = $self->schema->storage->dbh;
37 my $sth = $dbh->prepare(<<'EOF');
38 SELECT iseg.rdb$field_name
39 FROM rdb$relation_constraints rc
40 JOIN rdb$index_segments iseg ON rc.rdb$index_name = iseg.rdb$index_name
41 WHERE rc.rdb$constraint_type = 'PRIMARY KEY' and rc.rdb$relation_name = ?
42 ORDER BY iseg.rdb$field_position
44 $sth->execute($table);
48 while (my ($col) = $sth->fetchrow_array) {
49 s/^\s+//, s/\s+\z// for $col;
58 my ($self, $table) = @_;
60 my ($local_cols, $remote_cols, $remote_table, @rels);
61 my $dbh = $self->schema->storage->dbh;
62 my $sth = $dbh->prepare(<<'EOF');
63 SELECT rc.rdb$constraint_name fk, iseg.rdb$field_name local_col, ri.rdb$relation_name remote_tab, riseg.rdb$field_name remote_col
64 FROM rdb$relation_constraints rc
65 JOIN rdb$index_segments iseg ON rc.rdb$index_name = iseg.rdb$index_name
66 JOIN rdb$indices li ON rc.rdb$index_name = li.rdb$index_name
67 JOIN rdb$indices ri ON li.rdb$foreign_key = ri.rdb$index_name
68 JOIN rdb$index_segments riseg ON iseg.rdb$field_position = riseg.rdb$field_position and ri.rdb$index_name = riseg.rdb$index_name
69 WHERE rc.rdb$constraint_type = 'FOREIGN KEY' and rc.rdb$relation_name = ?
70 ORDER BY iseg.rdb$field_position
72 $sth->execute($table);
74 while (my ($fk, $local_col, $remote_tab, $remote_col) = $sth->fetchrow_array) {
75 s/^\s+//, s/\s+\z// for $fk, $local_col, $remote_tab, $remote_col;
77 push @{$local_cols->{$fk}}, $local_col;
78 push @{$remote_cols->{$fk}}, $remote_col;
79 $remote_table->{$fk} = $remote_tab;
82 foreach my $fk (keys %$remote_table) {
84 local_columns => $local_cols->{$fk},
85 remote_columns => $remote_cols->{$fk},
86 remote_table => $remote_table->{$fk},
92 sub _table_uniq_info {
93 my ($self, $table) = @_;
95 my $dbh = $self->schema->storage->dbh;
96 my $sth = $dbh->prepare(<<'EOF');
97 SELECT rc.rdb$constraint_name, iseg.rdb$field_name
98 FROM rdb$relation_constraints rc
99 JOIN rdb$index_segments iseg ON rc.rdb$index_name = iseg.rdb$index_name
100 WHERE rc.rdb$constraint_type = 'UNIQUE' and rc.rdb$relation_name = ?
101 ORDER BY iseg.rdb$field_position
103 $sth->execute($table);
106 while (my ($constraint_name, $column) = $sth->fetchrow_array) {
107 s/^\s+//, s/\s+\z// for $constraint_name, $column;
109 push @{$constraints->{$constraint_name}}, $column;
112 my @uniqs = map { [ $_ => $constraints->{$_} ] } keys %$constraints;
116 sub _extra_column_info {
117 my ($self, $table, $column, $info, $dbi_info) = @_;
120 my $dbh = $self->schema->storage->dbh;
122 local $dbh->{LongReadLen} = 100000;
123 local $dbh->{LongTruncOk} = 1;
125 my $sth = $dbh->prepare(<<'EOF');
126 SELECT t.rdb$trigger_source
128 WHERE t.rdb$relation_name = ?
129 AND t.rdb$system_flag = 0 -- user defined
130 AND t.rdb$trigger_type = 1 -- BEFORE INSERT
132 $sth->execute($table);
134 while (my ($trigger) = $sth->fetchrow_array) {
135 my @trig_cols = map {
136 /^"([^"]+)/ ? $1 : uc($1)
137 } $trigger =~ /new\.("?\w+"?)/ig;
139 my ($quoted, $generator) = $trigger =~
140 /(?:gen_id\s* \( \s* |next \s* value \s* for \s*)(")?(\w+)/ix;
142 $generator = uc $generator unless $quoted;
144 if ((first { $_ eq $column } @trig_cols) && $generator) {
145 $extra_info{is_auto_increment} = 1;
146 $extra_info{sequence} = $generator;
150 # fix up DT types, no idea which other types are fucked
151 if ($info->{data_type} eq '11') {
152 $extra_info{data_type} = 'TIMESTAMP';
154 elsif ($info->{data_type} eq '9') {
155 $extra_info{data_type} = 'DATE';
159 $sth = $dbh->prepare(<<'EOF');
160 SELECT rf.rdb$default_source
161 FROM rdb$relation_fields rf
162 WHERE rf.rdb$relation_name = ?
163 AND rf.rdb$field_name = ?
165 $sth->execute($table, $column);
166 my ($default_src) = $sth->fetchrow_array;
168 if ($default_src && (my ($def) = $default_src =~ /^DEFAULT \s+ (\S+)/ix)) {
169 if (my ($quoted) = $def =~ /^'(.*?)'\z/) {
170 $extra_info{default_value} = $quoted;
173 $extra_info{default_value} = $def =~ /^\d/ ? $def : \$def;
182 L<DBIx::Class::Schema::Loader>, L<DBIx::Class::Schema::Loader::Base>,
183 L<DBIx::Class::Schema::Loader::DBI>
187 See L<DBIx::Class::Schema::Loader/AUTHOR> and L<DBIx::Class::Schema::Loader/CONTRIBUTORS>.
191 This library is free software; you can redistribute it and/or modify it under
192 the same terms as Perl itself.