package DBIx::Class::Schema::Loader::DBI::SQLAnywhere;
use strict;
use warnings;
use namespace::autoclean;
use Class::C3;
use base qw/
DBIx::Class::Schema::Loader::DBI::Component::QuotedDefault
DBIx::Class::Schema::Loader::DBI
/;
use Carp::Clan qw/^DBIx::Class/;
use List::MoreUtils 'uniq';
our $VERSION = '0.05003';
=head1 NAME
DBIx::Class::Schema::Loader::DBI::SQLAnywhere - DBIx::Class::Schema::Loader::DBI
SQL Anywhere Implementation.
=head1 DESCRIPTION
See L<DBIx::Class::Schema::Loader::Base>.
=cut
sub _columns_info_for {
my $self = shift;
my $result = $self->next::method(@_);
while (my ($col, $info) = each %$result) {
my $def = $info->{default_value};
if (ref $def eq 'SCALAR' && $$def eq 'autoincrement') {
delete $info->{default_value};
$info->{is_auto_increment} = 1;
}
}
return $result;
}
sub _table_pk_info {
my ($self, $table) = @_;
my $dbh = $self->schema->storage->dbh;
local $dbh->{FetchHashKeyName} = 'NAME_lc';
my $sth = $dbh->prepare(qq{sp_pkeys ?});
$sth->execute($table);
my @keydata;
while (my $row = $sth->fetchrow_hashref) {
push @keydata, lc $row->{column_name};
}
return \@keydata;
}
sub _table_fk_info {
my ($self, $table) = @_;
my ($local_cols, $remote_cols, $remote_table, @rels);
my $dbh = $self->schema->storage->dbh;
my $sth = $dbh->prepare(<<'EOF');
select fki.index_name fk_name, fktc.column_name local_column, pkt.table_name remote_table, pktc.column_name remote_column
from sysfkey fk
join sysidx pki on fk.primary_table_id = pki.table_id and fk.primary_index_id = pki.index_id
join sysidx fki on fk.foreign_table_id = fki.table_id and fk.foreign_index_id = fki.index_id
join systab pkt on fk.primary_table_id = pkt.table_id
join systab fkt on fk.foreign_table_id = fkt.table_id
join sysidxcol pkic on pki.table_id = pkic.table_id and pki.index_id = pkic.index_id
join sysidxcol fkic on fki.table_id = fkic.table_id and fki.index_id = fkic.index_id
join systabcol pktc on pkic.table_id = pktc.table_id and pkic.column_id = pktc.column_id
join systabcol fktc on fkic.table_id = fktc.table_id and fkic.column_id = fktc.column_id
where fkt.table_name = ?
EOF
$sth->execute($table);
while (my ($fk, $local_col, $remote_tab, $remote_col) = $sth->fetchrow_array) {
push @{$local_cols->{$fk}}, lc $local_col;
push @{$remote_cols->{$fk}}, lc $remote_col;
$remote_table->{$fk} = lc $remote_tab;
}
foreach my $fk (keys %$remote_table) {
push @rels, {
local_columns => [ uniq @{ $local_cols->{$fk} } ],
remote_columns => [ uniq @{ $remote_cols->{$fk} } ],
remote_table => $remote_table->{$fk},
};
}
return \@rels;
}
sub _table_uniq_info {
my ($self, $table) = @_;
my $dbh = $self->schema->storage->dbh;
my $sth = $dbh->prepare(<<'EOF');
select c.constraint_name, tc.column_name
from sysconstraint c
join systab t on c.table_object_id = t.object_id
join sysidx i on c.ref_object_id = i.object_id
join sysidxcol ic on i.table_id = ic.table_id and i.index_id = ic.index_id
join systabcol tc on ic.table_id = tc.table_id and ic.column_id = tc.column_id
where c.constraint_type = 'U' and t.table_name = ?
EOF
$sth->execute($table);
my $constraints;
while (my ($constraint_name, $column) = $sth->fetchrow_array) {
push @{$constraints->{$constraint_name}}, lc $column;
}
my @uniqs = map { [ $_ => $constraints->{$_} ] } keys %$constraints;
return \@uniqs;
}
=head1 SEE ALSO
L<DBIx::Class::Schema::Loader>, L<DBIx::Class::Schema::Loader::Base>,
L<DBIx::Class::Schema::Loader::DBI>
=head1 AUTHOR
See L<DBIx::Class::Schema::Loader/AUTHOR> and L<DBIx::Class::Schema::Loader/CONTRIBUTORS>.
=head1 LICENSE
This library is free software; you can redistribute it and/or modify it under
the same terms as Perl itself.
=cut
1;