use base qw/DBIx::Class::Schema::Loader::Base/;
use Class::C3;
use Carp::Clan qw/^DBIx::Class/;
-use UNIVERSAL::require;
-our $VERSION = '0.04004';
+our $VERSION = '0.05002';
=head1 NAME
# rebless to vendor-specific class if it exists and loads
my $dbh = $self->schema->storage->dbh;
my $driver = $dbh->{Driver}->{Name};
+
my $subclass = 'DBIx::Class::Schema::Loader::DBI::' . $driver;
- $subclass->require;
- if($@ && $@ !~ /^Can't locate /) {
- croak "Failed to require $subclass: $@";
- }
- elsif(!$@) {
- bless $self, "DBIx::Class::Schema::Loader::DBI::${driver}";
+ if ($self->load_optional_class($subclass)) {
+ bless $self, $subclass unless $self->isa($subclass);
+ $self->_rebless;
}
# Set up the default quoting character and name seperators
- $self->{_quoter} = $self->schema->storage->sql_maker->quote_char
- || $dbh->get_info(29)
- || q{"};
-
- $self->{_namesep} = $self->schema->storage->sql_maker->name_sep
- || $dbh->get_info(41)
- || q{.};
-
+ $self->{_quoter} = $self->_build_quoter;
+ $self->{_namesep} = $self->_build_namesep;
# For our usage as regex matches, concatenating multiple quoter
# values works fine (e.g. s/\Q<>\E// if quoter was [ '<', '>' ])
if( ref $self->{_quoter} eq 'ARRAY') {
$self;
}
+sub _build_quoter {
+ my $self = shift;
+ my $dbh = $self->schema->storage->dbh;
+ return $dbh->get_info(29)
+ || $self->schema->storage->sql_maker->quote_char
+ || q{"};
+}
+
+sub _build_namesep {
+ my $self = shift;
+ my $dbh = $self->schema->storage->dbh;
+ return $dbh->get_info(41)
+ || $self->schema->storage->sql_maker->name_sep
+ || q{.};
+}
+
# Override this in vendor modules to do things at the end of ->new()
sub _setup { }
+# Override this in vendor module to load a subclass if necessary
+sub _rebless { }
+
# Returns an array of table names
sub _tables_list {
my $self = shift;
+ my ($table, $type) = @_ ? @_ : ('%', '%');
+
my $dbh = $self->schema->storage->dbh;
- my @tables = $dbh->tables(undef, $self->db_schema, '%', '%');
- s/\Q$self->{_quoter}\E//g for @tables;
- s/^.*\Q$self->{_namesep}\E// for @tables;
+ my @tables = $dbh->tables(undef, $self->db_schema, $table, $type);
+
+ my $qt = qr/[\Q$self->{_quoter}\E"'`\[\]]/;
+
+ my $all_tables_quoted = (grep /$qt/, @tables) == @tables;
+
+ if ($self->{_quoter} && $all_tables_quoted) {
+ s/.* $qt (?= .* $qt)//xg for @tables;
+ } else {
+ s/^.*\Q$self->{_namesep}\E// for @tables;
+ }
+ s/$qt//g for @tables;
+
+ return $self->_filter_tables(@tables);
+}
+
+# ignore bad tables and views
+sub _filter_tables {
+ my ($self, @tables) = @_;
+
+ my @filtered_tables;
+
+ for my $table (@tables) {
+ eval {
+ my $sth = $self->_sth_for($table, undef, \'1 = 0');
+ $sth->execute;
+ };
+ if (not $@) {
+ push @filtered_tables, $table;
+ }
+ else {
+ warn "Bad table or view '$table', ignoring: $@\n";
+ local $@;
+ eval {
+ my $schema = $self->schema;
+ # in older DBIC it's a private method
+ my $unregister = $schema->can('unregister_source')
+ || $schema->can('_unregister_source');
+ $schema->$unregister($self->_table2moniker($table));
+ };
+ }
+ }
- return @tables;
+ return @filtered_tables;
}
=head2 load
$self->next::method(@_);
}
-# Returns an arrayref of column names
-sub _table_columns {
+sub _table_as_sql {
my ($self, $table) = @_;
- my $dbh = $self->schema->storage->dbh;
-
if($self->{db_schema}) {
- $table = $self->{db_schema} . $self->{_namesep} . $table;
+ $table = $self->{db_schema} . $self->{_namesep} .
+ $self->_quote_table_name($table);
+ } else {
+ $table = $self->_quote_table_name($table);
}
- my $sth = $dbh->prepare($self->schema->storage->sql_maker->select($table, undef, \'1 = 0'));
+ return $table;
+}
+
+sub _sth_for {
+ my ($self, $table, $fields, $where) = @_;
+
+ my $dbh = $self->schema->storage->dbh;
+
+ my $sth = $dbh->prepare($self->schema->storage->sql_maker
+ ->select(\$self->_table_as_sql($table), $fields, $where));
+
+ return $sth;
+}
+
+# Returns an arrayref of column names
+sub _table_columns {
+ my ($self, $table) = @_;
+
+ my $sth = $self->_sth_for($table, undef, \'1 = 0');
$sth->execute;
my $retval = \@{$sth->{NAME_lc}};
$sth->finish;
my $col_name = $info->{COLUMN_NAME};
$col_name =~ s/^\"(.*)\"$/$1/;
- $result{$col_name} = \%column_info;
+ my $extra_info = $self->_extra_column_info($info) || {};
+
+ $result{$col_name} = { %column_info, %$extra_info };
}
$sth->finish;
};
return \%result if !$@ && scalar keys %result;
}
- if($self->db_schema) {
- $table = $self->db_schema . $self->{_namesep} . $table;
- }
my %result;
- my $sth = $dbh->prepare($self->schema->storage->sql_maker->select($table, undef, \'1 = 0'));
+ my $sth = $self->_sth_for($table, undef, \'1 = 0');
$sth->execute;
my @columns = @{$sth->{NAME_lc}};
for my $i ( 0 .. $#columns ){
$column_info{size} = $2;
}
- $result{$columns[$i]} = \%column_info;
+ my $extra_info = $self->_extra_column_info($table, $columns[$i], $sth, $i) || {};
+
+ $result{$columns[$i]} = { %column_info, %$extra_info };
}
$sth->finish;
return \%result;
}
+# Override this in vendor class to return any additional column
+# attributes
+sub _extra_column_info {}
+
=head1 SEE ALSO
L<DBIx::Class::Schema::Loader>
+=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;