def _index_all_entries_in_index(index_name, entry_id_list=None, refresh=False):
    """
    Index all entries in the database into a given index
    :param index_name: Index in which the records will be indexed
    :param refresh: Specify if the call to ES will block until the indexation is done.
    To be used only for integration tests
    """

    def entry_generator(entry_id_list, zip_to_locality):
        total = len(entry_id_list)
        row_len = 10000
        for start in range(0, total, row_len):
            print('current document: %s/%s' % (start, total))
            for entry in Entry.objects.filter(pk__in=entry_id_list[start:start + row_len]).select_related(
                'editentry',
                'zip_category',
                'editentry__category'
            ).prefetch_related(
                'sd_entries',
                'categories',
                'contrats',
                'contrats__contrat_type',
                'zip_sub_categories',
                'editentry__sub_categories',
                'editentry__gallery_set',
                'editentry__openinghours_set',
                'editentry__socialaccount_set',
                'editentry__service_set',
                'editentry__payment_set',
            ).prefetch_related(
                Prefetch(
                    "contrats",
                    queryset=Contrat.objects.valid(),
                    to_attr="contrats_valid"
                )
            ):
                yield db_entry_to_es_entry(entry, zip_to_locality)

    def bulk_actions_generator(documents):
        for documents_list in documents:
            for document in documents_list:
                if document:
                    yield {
                        '_op_type': 'index',
                        '_index': index_name,
                        '_id': document.meta.id,
                        '_type': document._doc_type.name, '_source': document.to_dict()
                    }

    if entry_id_list is None:
        entry_id_list = [value[0] for value in Entry.objects.values_list('pk')]
    logger.info('Starting indexing %s documents' % len(entry_id_list))

    # TODO: See whether to make a django foreign key or not. However it might
    # be much faster this way
    zip_to_locality = {value[0]: value[1:] for value in SdLocality.objects.values_list(*locality_values)}

    #es_client.indices.put_settings(index=index_name, body={"index": {"refresh_interval": "-1"}})

    helpers.bulk(
        es_client,
        bulk_actions_generator(entry_generator(entry_id_list, zip_to_locality)),
        refresh=refresh,
        chunk_size=settings.ELASTIC_SEARCH_BULK_SIZE,
        request_timeout=settings.ELASTIC_SEARCH_BULK_TIMEOUT
    )

    #es_client.indices.put_settings(index=index_name, body={"index": {"refresh_interval": "1s"}})

    return len(entry_id_list)