1package DBIx::Class::Schema::Loader::DBI::SQLAnywhere; 2 3use strict; 4use warnings; 5use base 'DBIx::Class::Schema::Loader::DBI::Component::QuotedDefault'; 6use mro 'c3'; 7use List::MoreUtils 'any'; 8use namespace::clean; 9use DBIx::Class::Schema::Loader::Table (); 10 11our $VERSION = '0.07033'; 12 13=head1 NAME 14 15DBIx::Class::Schema::Loader::DBI::SQLAnywhere - DBIx::Class::Schema::Loader::DBI 16SQL Anywhere Implementation. 17 18=head1 DESCRIPTION 19 20See L<DBIx::Class::Schema::Loader> and L<DBIx::Class::Schema::Loader::Base>. 21 22=cut 23 24sub _system_schemas { 25 return (qw/dbo SYS diagnostics rs_systabgroup SA_DEBUG/); 26} 27 28sub _setup { 29 my $self = shift; 30 31 $self->next::method(@_); 32 33 $self->preserve_case(1) 34 unless defined $self->preserve_case; 35 36 $self->schema->storage->sql_maker->quote_char('"'); 37 $self->schema->storage->sql_maker->name_sep('.'); 38 39 $self->db_schema([($self->dbh->selectrow_array('select user'))[0]]) 40 unless $self->db_schema; 41 42 if (ref $self->db_schema eq 'ARRAY' && $self->db_schema->[0] eq '%') { 43 my @users = grep { my $uname = $_; not any { $_ eq $uname } $self->_system_schemas } 44 @{ $self->dbh->selectcol_arrayref('select user_name from sysuser') }; 45 46 $self->db_schema(\@users); 47 } 48} 49 50sub _tables_list { 51 my ($self, $opts) = @_; 52 53 my @tables; 54 55 foreach my $schema (@{ $self->db_schema }) { 56 my $sth = $self->dbh->prepare(<<'EOF'); 57SELECT t.table_name name 58FROM systab t 59JOIN sysuser u 60 ON t.creator = u.user_id 61WHERE u.user_name = ? 62EOF 63 $sth->execute($schema); 64 65 my @table_names = map @$_, @{ $sth->fetchall_arrayref }; 66 67 foreach my $table_name (@table_names) { 68 push @tables, DBIx::Class::Schema::Loader::Table->new( 69 loader => $self, 70 name => $table_name, 71 schema => $schema, 72 ); 73 } 74 } 75 76 return $self->_filter_tables(\@tables, $opts); 77} 78 79sub _columns_info_for { 80 my $self = shift; 81 my ($table) = @_; 82 83 my $result = $self->next::method(@_); 84 85 my $dbh = $self->schema->storage->dbh; 86 87 while (my ($col, $info) = each %$result) { 88 my $def = $info->{default_value}; 89 if (ref $def eq 'SCALAR' && $$def eq 'autoincrement') { 90 delete $info->{default_value}; 91 $info->{is_auto_increment} = 1; 92 } 93 94 my ($user_type) = $dbh->selectrow_array(<<'EOF', {}, $table->schema, $table->name, lc($col)); 95SELECT ut.type_name 96FROM systabcol tc 97JOIN systab t 98 ON tc.table_id = t.table_id 99JOIN sysuser u 100 ON t.creator = u.user_id 101JOIN sysusertype ut 102 ON tc.user_type = ut.type_id 103WHERE u.user_name = ? AND t.table_name = ? AND lower(tc.column_name) = ? 104EOF 105 $info->{data_type} = $user_type if defined $user_type; 106 107 if ($info->{data_type} eq 'double') { 108 $info->{data_type} = 'double precision'; 109 } 110 111 if ($info->{data_type} =~ /^(?:char|varchar|binary|varbinary)\z/ && ref($info->{size}) eq 'ARRAY') { 112 $info->{size} = $info->{size}[0]; 113 } 114 elsif ($info->{data_type} !~ /^(?:char|varchar|binary|varbinary|numeric|decimal)\z/) { 115 delete $info->{size}; 116 } 117 118 my $sth = $dbh->prepare(<<'EOF'); 119SELECT tc.width, tc.scale 120FROM systabcol tc 121JOIN systab t 122 ON t.table_id = tc.table_id 123JOIN sysuser u 124 ON t.creator = u.user_id 125WHERE u.user_name = ? AND t.table_name = ? AND lower(tc.column_name) = ? 126EOF 127 $sth->execute($table->schema, $table->name, lc($col)); 128 my ($width, $scale) = $sth->fetchrow_array; 129 $sth->finish; 130 131 if ($info->{data_type} =~ /^(?:numeric|decimal)\z/) { 132 # We do not check for the default precision/scale, because they can be changed as PUBLIC database options. 133 $info->{size} = [$width, $scale]; 134 } 135 elsif ($info->{data_type} =~ /^(?:n(?:varchar|char) | varbit)\z/x) { 136 $info->{size} = $width; 137 } 138 elsif ($info->{data_type} eq 'float') { 139 $info->{data_type} = 'real'; 140 } 141 142 if ((eval { lc ${ $info->{default_value} } }||'') eq 'current timestamp') { 143 ${ $info->{default_value} } = 'current_timestamp'; 144 145 my $orig_deflt = 'current timestamp'; 146 $info->{original}{default_value} = \$orig_deflt; 147 } 148 } 149 150 return $result; 151} 152 153sub _table_pk_info { 154 my ($self, $table) = @_; 155 local $self->dbh->{FetchHashKeyName} = 'NAME_lc'; 156 my $sth = $self->dbh->prepare(qq{sp_pkeys ?, ?}); 157 $sth->execute($table->name, $table->schema); 158 159 my @keydata; 160 161 while (my $row = $sth->fetchrow_hashref) { 162 push @keydata, $self->_lc($row->{column_name}); 163 } 164 165 return \@keydata; 166} 167 168sub _table_fk_info { 169 my ($self, $table) = @_; 170 171 my ($local_cols, $remote_cols, $remote_table, @rels); 172 my $sth = $self->dbh->prepare(<<'EOF'); 173SELECT fki.index_name fk_name, fktc.column_name local_column, pku.user_name remote_schema, pkt.table_name remote_table, pktc.column_name remote_column 174FROM sysfkey fk 175JOIN systab pkt 176 ON fk.primary_table_id = pkt.table_id 177JOIN sysuser pku 178 ON pkt.creator = pku.user_id 179JOIN systab fkt 180 ON fk.foreign_table_id = fkt.table_id 181JOIN sysuser fku 182 ON fkt.creator = fku.user_id 183JOIN sysidx pki 184 ON fk.primary_table_id = pki.table_id AND fk.primary_index_id = pki.index_id 185JOIN sysidx fki 186 ON fk.foreign_table_id = fki.table_id AND fk.foreign_index_id = fki.index_id 187JOIN sysidxcol fkic 188 ON fkt.table_id = fkic.table_id AND fki.index_id = fkic.index_id 189JOIN systabcol pktc 190 ON pkt.table_id = pktc.table_id AND fkic.primary_column_id = pktc.column_id 191JOIN systabcol fktc 192 ON fkt.table_id = fktc.table_id AND fkic.column_id = fktc.column_id 193WHERE fku.user_name = ? AND fkt.table_name = ? 194EOF 195 $sth->execute($table->schema, $table->name); 196 197 while (my ($fk, $local_col, $remote_schema, $remote_tab, $remote_col) = $sth->fetchrow_array) { 198 push @{$local_cols->{$fk}}, $self->_lc($local_col); 199 push @{$remote_cols->{$fk}}, $self->_lc($remote_col); 200 $remote_table->{$fk} = DBIx::Class::Schema::Loader::Table->new( 201 loader => $self, 202 name => $remote_tab, 203 schema => $remote_schema, 204 ); 205 } 206 207 foreach my $fk (keys %$remote_table) { 208 push @rels, { 209 local_columns => $local_cols->{$fk}, 210 remote_columns => $remote_cols->{$fk}, 211 remote_table => $remote_table->{$fk}, 212 }; 213 } 214 return \@rels; 215} 216 217sub _table_uniq_info { 218 my ($self, $table) = @_; 219 220 my $sth = $self->dbh->prepare(<<'EOF'); 221SELECT c.constraint_name, tc.column_name 222FROM sysconstraint c 223JOIN systab t 224 ON c.table_object_id = t.object_id 225JOIN sysuser u 226 ON t.creator = u.user_id 227JOIN sysidx i 228 ON c.ref_object_id = i.object_id 229JOIN sysidxcol ic 230 ON i.table_id = ic.table_id AND i.index_id = ic.index_id 231JOIN systabcol tc 232 ON ic.table_id = tc.table_id AND ic.column_id = tc.column_id 233WHERE c.constraint_type = 'U' AND u.user_name = ? AND t.table_name = ? 234EOF 235 $sth->execute($table->schema, $table->name); 236 237 my $constraints; 238 while (my ($constraint_name, $column) = $sth->fetchrow_array) { 239 push @{$constraints->{$constraint_name}}, $self->_lc($column); 240 } 241 242 my @uniqs = map { [ $_ => $constraints->{$_} ] } keys %$constraints; 243 return \@uniqs; 244} 245 246=head1 SEE ALSO 247 248L<DBIx::Class::Schema::Loader>, L<DBIx::Class::Schema::Loader::Base>, 249L<DBIx::Class::Schema::Loader::DBI> 250 251=head1 AUTHOR 252 253See L<DBIx::Class::Schema::Loader/AUTHOR> and L<DBIx::Class::Schema::Loader/CONTRIBUTORS>. 254 255=head1 LICENSE 256 257This library is free software; you can redistribute it and/or modify it under 258the same terms as Perl itself. 259 260=cut 261 2621; 263# vim:et sw=4 sts=4 tw=0: 264