1package DBIx::Class::Schema::Loader::DBI::SQLAnywhere; 2 3use strict; 4use warnings; 5use namespace::autoclean; 6use Class::C3; 7use base qw/ 8 DBIx::Class::Schema::Loader::DBI::Component::QuotedDefault 9 DBIx::Class::Schema::Loader::DBI 10/; 11use Carp::Clan qw/^DBIx::Class/; 12use List::MoreUtils 'uniq'; 13 14our $VERSION = '0.05003'; 15 16=head1 NAME 17 18DBIx::Class::Schema::Loader::DBI::SQLAnywhere - DBIx::Class::Schema::Loader::DBI 19SQL Anywhere Implementation. 20 21=head1 DESCRIPTION 22 23See L<DBIx::Class::Schema::Loader::Base>. 24 25=cut 26 27# check for IDENTITY columns 28sub _columns_info_for { 29 my $self = shift; 30 my $result = $self->next::method(@_); 31 32 while (my ($col, $info) = each %$result) { 33 my $def = $info->{default_value}; 34 if (ref $def eq 'SCALAR' && $$def eq 'autoincrement') { 35 delete $info->{default_value}; 36 $info->{is_auto_increment} = 1; 37 } 38 } 39 40 return $result; 41} 42 43sub _table_pk_info { 44 my ($self, $table) = @_; 45 my $dbh = $self->schema->storage->dbh; 46 local $dbh->{FetchHashKeyName} = 'NAME_lc'; 47 my $sth = $dbh->prepare(qq{sp_pkeys ?}); 48 $sth->execute($table); 49 50 my @keydata; 51 52 while (my $row = $sth->fetchrow_hashref) { 53 push @keydata, lc $row->{column_name}; 54 } 55 56 return \@keydata; 57} 58 59sub _table_fk_info { 60 my ($self, $table) = @_; 61 62 my ($local_cols, $remote_cols, $remote_table, @rels); 63 my $dbh = $self->schema->storage->dbh; 64 my $sth = $dbh->prepare(<<'EOF'); 65select fki.index_name fk_name, fktc.column_name local_column, pkt.table_name remote_table, pktc.column_name remote_column 66from sysfkey fk 67join sysidx pki on fk.primary_table_id = pki.table_id and fk.primary_index_id = pki.index_id 68join sysidx fki on fk.foreign_table_id = fki.table_id and fk.foreign_index_id = fki.index_id 69join systab pkt on fk.primary_table_id = pkt.table_id 70join systab fkt on fk.foreign_table_id = fkt.table_id 71join sysidxcol pkic on pki.table_id = pkic.table_id and pki.index_id = pkic.index_id 72join sysidxcol fkic on fki.table_id = fkic.table_id and fki.index_id = fkic.index_id 73join systabcol pktc on pkic.table_id = pktc.table_id and pkic.column_id = pktc.column_id 74join systabcol fktc on fkic.table_id = fktc.table_id and fkic.column_id = fktc.column_id 75where fkt.table_name = ? 76EOF 77 $sth->execute($table); 78 79 while (my ($fk, $local_col, $remote_tab, $remote_col) = $sth->fetchrow_array) { 80 push @{$local_cols->{$fk}}, lc $local_col; 81 push @{$remote_cols->{$fk}}, lc $remote_col; 82 $remote_table->{$fk} = lc $remote_tab; 83 } 84 85 foreach my $fk (keys %$remote_table) { 86 push @rels, { 87 local_columns => [ uniq @{ $local_cols->{$fk} } ], 88 remote_columns => [ uniq @{ $remote_cols->{$fk} } ], 89 remote_table => $remote_table->{$fk}, 90 }; 91 } 92 return \@rels; 93} 94 95sub _table_uniq_info { 96 my ($self, $table) = @_; 97 98 my $dbh = $self->schema->storage->dbh; 99 my $sth = $dbh->prepare(<<'EOF'); 100select c.constraint_name, tc.column_name 101from sysconstraint c 102join systab t on c.table_object_id = t.object_id 103join sysidx i on c.ref_object_id = i.object_id 104join sysidxcol ic on i.table_id = ic.table_id and i.index_id = ic.index_id 105join systabcol tc on ic.table_id = tc.table_id and ic.column_id = tc.column_id 106where c.constraint_type = 'U' and t.table_name = ? 107EOF 108 $sth->execute($table); 109 110 my $constraints; 111 while (my ($constraint_name, $column) = $sth->fetchrow_array) { 112 push @{$constraints->{$constraint_name}}, lc $column; 113 } 114 115 my @uniqs = map { [ $_ => $constraints->{$_} ] } keys %$constraints; 116 return \@uniqs; 117} 118 119=head1 SEE ALSO 120 121L<DBIx::Class::Schema::Loader>, L<DBIx::Class::Schema::Loader::Base>, 122L<DBIx::Class::Schema::Loader::DBI> 123 124=head1 AUTHOR 125 126See L<DBIx::Class::Schema::Loader/AUTHOR> and L<DBIx::Class::Schema::Loader/CONTRIBUTORS>. 127 128=head1 LICENSE 129 130This library is free software; you can redistribute it and/or modify it under 131the same terms as Perl itself. 132 133=cut 134 1351; 136