1 package DBIx::Class::Schema::Loader::DBI::SQLAnywhere;
7 DBIx::Class::Schema::Loader::DBI::Component::QuotedDefault
8 DBIx::Class::Schema::Loader::DBI
10 use Carp::Clan qw/^DBIx::Class/;
12 our $VERSION = '0.07001';
16 DBIx::Class::Schema::Loader::DBI::SQLAnywhere - DBIx::Class::Schema::Loader::DBI
17 SQL Anywhere Implementation.
21 See L<DBIx::Class::Schema::Loader> and L<DBIx::Class::Schema::Loader::Base>.
28 $self->next::method(@_);
30 $self->{db_schema} ||=
31 ($self->schema->storage->dbh->selectrow_array('select user'))[0];
35 my ($self, $opts) = @_;
37 my $dbh = $self->schema->storage->dbh;
38 my $sth = $dbh->prepare(<<'EOF');
39 select t.table_name from systab t
40 join sysuser u on u.user_id = t.creator
43 $sth->execute($self->db_schema);
45 my @tables = map @$_, @{ $sth->fetchall_arrayref };
47 return $self->_filter_tables(\@tables, $opts);
50 sub _columns_info_for {
54 my $result = $self->next::method(@_);
56 my $dbh = $self->schema->storage->dbh;
58 while (my ($col, $info) = each %$result) {
59 my $def = $info->{default_value};
60 if (ref $def eq 'SCALAR' && $$def eq 'autoincrement') {
61 delete $info->{default_value};
62 $info->{is_auto_increment} = 1;
65 my ($user_type) = $dbh->selectrow_array(<<'EOF', {}, $table, $col);
68 JOIN systab t ON tc.table_id = t.table_id
69 JOIN sysusertype ut on tc.user_type = ut.type_id
70 WHERE t.table_name = ? AND lower(tc.column_name) = ?
72 $info->{data_type} = $user_type if defined $user_type;
74 if ($info->{data_type} eq 'double') {
75 $info->{data_type} = 'double precision';
78 if ($info->{data_type} =~ /^(?:char|varchar|binary|varbinary)\z/ && ref($info->{size}) eq 'ARRAY') {
79 $info->{size} = $info->{size}[0];
81 elsif ($info->{data_type} !~ /^(?:char|varchar|binary|varbinary|numeric|decimal)\z/) {
85 my $sth = $dbh->prepare(<<'EOF');
86 SELECT tc.width, tc.scale
88 JOIN systab t ON t.table_id = tc.table_id
89 WHERE t.table_name = ? AND tc.column_name = ?
91 $sth->execute($table, $col);
92 my ($width, $scale) = $sth->fetchrow_array;
95 if ($info->{data_type} =~ /^(?:numeric|decimal)\z/) {
96 # We do not check for the default precision/scale, because they can be changed as PUBLIC database options.
97 $info->{size} = [$width, $scale];
99 elsif ($info->{data_type} =~ /^(?:n(?:varchar|char) | varbit)\z/x) {
100 $info->{size} = $width;
102 elsif ($info->{data_type} eq 'float') {
103 $info->{data_type} = 'real';
106 delete $info->{default_value} if ref($info->{default_value}) eq 'SCALAR' && ${ $info->{default_value} } eq 'NULL';
108 if ((eval { lc ${ $info->{default_value} } }||'') eq 'current timestamp') {
109 ${ $info->{default_value} } = 'current_timestamp';
111 my $orig_deflt = 'current timestamp';
112 $info->{original}{default_value} = \$orig_deflt;
120 my ($self, $table) = @_;
121 my $dbh = $self->schema->storage->dbh;
122 local $dbh->{FetchHashKeyName} = 'NAME_lc';
123 my $sth = $dbh->prepare(qq{sp_pkeys ?});
124 $sth->execute($table);
128 while (my $row = $sth->fetchrow_hashref) {
129 push @keydata, $self->_lc($row->{column_name});
136 my ($self, $table) = @_;
138 my ($local_cols, $remote_cols, $remote_table, @rels);
139 my $dbh = $self->schema->storage->dbh;
140 my $sth = $dbh->prepare(<<'EOF');
141 select fki.index_name fk_name, fktc.column_name local_column, pkt.table_name remote_table, pktc.column_name remote_column
143 join systab pkt on fk.primary_table_id = pkt.table_id
144 join systab fkt on fk.foreign_table_id = fkt.table_id
145 join sysidx pki on fk.primary_table_id = pki.table_id and fk.primary_index_id = pki.index_id
146 join sysidx fki on fk.foreign_table_id = fki.table_id and fk.foreign_index_id = fki.index_id
147 join sysidxcol fkic on fkt.table_id = fkic.table_id and fki.index_id = fkic.index_id
148 join systabcol pktc on pkt.table_id = pktc.table_id and fkic.primary_column_id = pktc.column_id
149 join systabcol fktc on fkt.table_id = fktc.table_id and fkic.column_id = fktc.column_id
150 where fkt.table_name = ?
152 $sth->execute($table);
154 while (my ($fk, $local_col, $remote_tab, $remote_col) = $sth->fetchrow_array) {
155 push @{$local_cols->{$fk}}, $self->_lc($local_col);
156 push @{$remote_cols->{$fk}}, $self->_lc($remote_col);
157 $remote_table->{$fk} = $remote_tab;
160 foreach my $fk (keys %$remote_table) {
162 local_columns => $local_cols->{$fk},
163 remote_columns => $remote_cols->{$fk},
164 remote_table => $remote_table->{$fk},
170 sub _table_uniq_info {
171 my ($self, $table) = @_;
173 my $dbh = $self->schema->storage->dbh;
174 my $sth = $dbh->prepare(<<'EOF');
175 select c.constraint_name, tc.column_name
177 join systab t on c.table_object_id = t.object_id
178 join sysidx i on c.ref_object_id = i.object_id
179 join sysidxcol ic on i.table_id = ic.table_id and i.index_id = ic.index_id
180 join systabcol tc on ic.table_id = tc.table_id and ic.column_id = tc.column_id
181 where c.constraint_type = 'U' and t.table_name = ?
183 $sth->execute($table);
186 while (my ($constraint_name, $column) = $sth->fetchrow_array) {
187 push @{$constraints->{$constraint_name}}, $self->_lc($column);
190 my @uniqs = map { [ $_ => $constraints->{$_} ] } keys %$constraints;
196 L<DBIx::Class::Schema::Loader>, L<DBIx::Class::Schema::Loader::Base>,
197 L<DBIx::Class::Schema::Loader::DBI>
201 See L<DBIx::Class::Schema::Loader/AUTHOR> and L<DBIx::Class::Schema::Loader/CONTRIBUTORS>.
205 This library is free software; you can redistribute it and/or modify it under
206 the same terms as Perl itself.
211 # vim:et sw=4 sts=4 tw=0: