=attr schema
=attr storage
=attr sqltargs
+
+#rename
=attr upgrade_directory
+
+The directory (default C<'sql'>) that upgrades are stored in
+
=attr databases
+
+The types of databases (default C<< [qw( MySQL SQLite PostgreSQL )] >>) to
+generate files for
+
=attr txn_wrap
=method __ddl_consume_with_prefix