sub primary_column {
my ($class) = @_;
- my @pri = keys %{$class->_primaries};
+ my @pri = $class->primary_columns;
return wantarray ? @pri : $pri[0];
}
sub find_column {
my ($class, $col) = @_;
- return $col if $class->_columns->{$col};
+ return $col if $class->has_column($col);
}
sub __grouper {