*/
protected ClassDescriptor buildSecondaryTableDescriptor() {
XMLDescriptor descriptor = new XMLDescriptor();
descriptor.setJavaClass(SecondaryTableMetadata.class);
descriptor.addMapping(getPrimaryKeyJoinColumnMapping());
descriptor.addMapping(getUniqueConstraintMapping());
descriptor.addMapping(getNameAttributeMapping());
descriptor.addMapping(getCatalogAttributeMapping());
descriptor.addMapping(getSchemaAttributeMapping());