Object DDL for unit testing
Main reason is easy prototyping for unit testing.
Only simple primitives suported.
_TagPK = "pk"
_TagIndexName = "index"
_TagIndexUnique = "indexunique"
_TagRequired = "required"
_TagDefault = "default"
_TagOverrideColumnName = "columnname"
_TagOverrideTableName = "tablename"
_TagOverrideOrder = "order"