Context component:

) -> bool:

    uuids_to_upsert : Dict[str, int] = dict()

    rules_to_upsert : List[Dict] = list()

    if not is_delete:

    for constraint in constraints:

        constraint_uuid = constraint['constraint_uuid']

        position = uuids_to_upsert.get(constraint_uuid)

    # Delete all constraints not in uuids_to_upsert

    delete_affected = False

    if is_delete or len(uuids_to_upsert) > 0:

    if len(uuids_to_upsert) > 0:

        stmt = delete(ConstraintModel)

        if service_uuid is not None: stmt = stmt.where(ConstraintModel.service_uuid == service_uuid)

        if slice_uuid   is not None: stmt = stmt.where(ConstraintModel.slice_uuid   == slice_uuid  )

        if not is_delete:

        stmt = stmt.where(ConstraintModel.constraint_uuid.not_in(set(uuids_to_upsert.keys())))

        #str_stmt = stmt.compile(dialect=postgresql.dialect(), compile_kwargs={"literal_binds": True})

        #LOGGER.warning('delete stmt={:s}'.format(str(str_stmt)))