collection.hpp

Go to the documentation of this file.

// Copyright 2009-present MongoDB, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
 
#pragma once
 
#include <algorithm>
#include <string>
 
#include <mongocxx/bulk_write-fwd.hpp>
#include <mongocxx/client_encryption-fwd.hpp>
#include <mongocxx/collection-fwd.hpp>
#include <mongocxx/database-fwd.hpp>
 
#include <bsoncxx/builder/basic/array.hpp>
#include <bsoncxx/builder/basic/document.hpp>
#include <bsoncxx/builder/basic/kvp.hpp>
#include <bsoncxx/builder/concatenate.hpp>
#include <bsoncxx/document/view_or_value.hpp>
#include <bsoncxx/oid.hpp>
#include <bsoncxx/stdx/optional.hpp>
#include <bsoncxx/string/view_or_value.hpp>
 
#include <mongocxx/bulk_write.hpp>
#include <mongocxx/change_stream.hpp>
#include <mongocxx/client_session.hpp>
#include <mongocxx/cursor.hpp>
#include <mongocxx/index_view.hpp>
#include <mongocxx/model/insert_one.hpp>
#include <mongocxx/options/aggregate.hpp>
#include <mongocxx/options/bulk_write.hpp>
#include <mongocxx/options/change_stream.hpp>
#include <mongocxx/options/count.hpp>
#include <mongocxx/options/delete.hpp>
#include <mongocxx/options/distinct.hpp>
#include <mongocxx/options/estimated_document_count.hpp>
#include <mongocxx/options/find.hpp>
#include <mongocxx/options/find_one_and_delete.hpp>
#include <mongocxx/options/find_one_and_replace.hpp>
#include <mongocxx/options/find_one_and_update.hpp>
#include <mongocxx/options/index.hpp>
#include <mongocxx/options/index_view.hpp>
#include <mongocxx/options/insert.hpp>
#include <mongocxx/options/replace.hpp>
#include <mongocxx/options/update.hpp>
#include <mongocxx/pipeline.hpp>
#include <mongocxx/read_concern.hpp>
#include <mongocxx/read_preference.hpp>
#include <mongocxx/result/bulk_write.hpp>
#include <mongocxx/result/delete.hpp>
#include <mongocxx/result/insert_many.hpp>
#include <mongocxx/result/insert_one.hpp>
#include <mongocxx/result/replace_one.hpp>
#include <mongocxx/result/update.hpp>
#include <mongocxx/search_index_view.hpp>
#include <mongocxx/write_concern.hpp>
 
#include <mongocxx/config/prelude.hpp>
 
namespace mongocxx {
namespace v_noabi {
 
class collection {
    //
    // Utility class supporting the convenience of {} meaning an empty bsoncxx::v_noabi::document.
    //
    // Users may not use this class directly.
    //
    // In places where driver methods take this class as a parameter, passing {} will
    // translate to a default-constructed bsoncxx::v_noabi::document::view_or_value,
    // regardless of other overloads taking other default-constructible types
    // for that parameter. This class avoids compiler ambiguity with such overloads.
    //
    // See collection::update_one for an example of such overloads.
    //
    class _empty_doc_tag {};
 
   public:
    MONGOCXX_ABI_EXPORT_CDECL() collection() noexcept;
 
    MONGOCXX_ABI_EXPORT_CDECL() collection(collection&&) noexcept;
 
    MONGOCXX_ABI_EXPORT_CDECL(collection&) operator=(collection&&) noexcept;
 
    MONGOCXX_ABI_EXPORT_CDECL() collection(const collection&);
 
    MONGOCXX_ABI_EXPORT_CDECL(collection&) operator=(const collection&);
 
    MONGOCXX_ABI_EXPORT_CDECL() ~collection();
 
    explicit MONGOCXX_ABI_EXPORT_CDECL() operator bool() const noexcept;
 
    MONGOCXX_ABI_EXPORT_CDECL(cursor)
    aggregate(const pipeline& pipeline, const options::aggregate& options = options::aggregate());
 
    MONGOCXX_ABI_EXPORT_CDECL(cursor)
    aggregate(const client_session& session,
              const pipeline& pipeline,
              const options::aggregate& options = options::aggregate());
 
    MONGOCXX_ABI_EXPORT_CDECL(mongocxx::v_noabi::bulk_write)
    create_bulk_write(const options::bulk_write& options = {});
 
    MONGOCXX_ABI_EXPORT_CDECL(mongocxx::v_noabi::bulk_write)
    create_bulk_write(const client_session& session, const options::bulk_write& options = {});
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<result::bulk_write>)
    write(const model::write& write, const options::bulk_write& options = options::bulk_write()) {
        return create_bulk_write(options).append(write).execute();
    }
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<result::bulk_write>)
    write(const client_session& session,
          const model::write& write,
          const options::bulk_write& options = options::bulk_write()) {
        return create_bulk_write(session, options).append(write).execute();
    }
 
    template <typename container_type>
    stdx::optional<result::bulk_write> bulk_write(
        const container_type& writes, const options::bulk_write& options = options::bulk_write()) {
        return bulk_write(writes.begin(), writes.end(), options);
    }
 
    template <typename container_type>
    stdx::optional<result::bulk_write> bulk_write(
        const client_session& session,
        const container_type& writes,
        const options::bulk_write& options = options::bulk_write()) {
        return bulk_write(session, writes.begin(), writes.end(), options);
    }
 
    template <typename write_model_iterator_type>
    stdx::optional<result::bulk_write> bulk_write(
        write_model_iterator_type begin,
        write_model_iterator_type end,
        const options::bulk_write& options = options::bulk_write()) {
        auto writes = create_bulk_write(options);
        std::for_each(begin, end, [&](const model::write& current) { writes.append(current); });
        return writes.execute();
    }
 
    template <typename write_model_iterator_type>
    stdx::optional<result::bulk_write> bulk_write(
        const client_session& session,
        write_model_iterator_type begin,
        write_model_iterator_type end,
        const options::bulk_write& options = options::bulk_write()) {
        auto writes = create_bulk_write(session, options);
        std::for_each(begin, end, [&](const model::write& current) { writes.append(current); });
        return writes.execute();
    }
 
    MONGOCXX_ABI_EXPORT_CDECL(std::int64_t)
    count_documents(bsoncxx::v_noabi::document::view_or_value filter,
                    const options::count& options = options::count());
 
    MONGOCXX_ABI_EXPORT_CDECL(std::int64_t)
    count_documents(const client_session& session,
                    bsoncxx::v_noabi::document::view_or_value filter,
                    const options::count& options = options::count());
 
    MONGOCXX_ABI_EXPORT_CDECL(std::int64_t)
    estimated_document_count(
        const options::estimated_document_count& options = options::estimated_document_count());
 
    MONGOCXX_ABI_EXPORT_CDECL(bsoncxx::v_noabi::document::value)
    create_index(bsoncxx::v_noabi::document::view_or_value keys,
                 bsoncxx::v_noabi::document::view_or_value index_options = {},
                 options::index_view operation_options = options::index_view{});
 
    MONGOCXX_ABI_EXPORT_CDECL(bsoncxx::v_noabi::document::value)
    create_index(const client_session& session,
                 bsoncxx::v_noabi::document::view_or_value keys,
                 bsoncxx::v_noabi::document::view_or_value index_options = {},
                 options::index_view operation_options = options::index_view{});
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<result::delete_result>)
    delete_many(bsoncxx::v_noabi::document::view_or_value filter,
                const options::delete_options& options = options::delete_options());
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<result::delete_result>)
    delete_many(const client_session& session,
                bsoncxx::v_noabi::document::view_or_value filter,
                const options::delete_options& options = options::delete_options());
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<result::delete_result>)
    delete_one(bsoncxx::v_noabi::document::view_or_value filter,
               const options::delete_options& options = options::delete_options());
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<result::delete_result>)
    delete_one(const client_session& session,
               bsoncxx::v_noabi::document::view_or_value filter,
               const options::delete_options& options = options::delete_options());
 
    MONGOCXX_ABI_EXPORT_CDECL(cursor)
    distinct(bsoncxx::v_noabi::string::view_or_value name,
             bsoncxx::v_noabi::document::view_or_value filter,
             const options::distinct& options = options::distinct());
 
    MONGOCXX_ABI_EXPORT_CDECL(cursor)
    distinct(const client_session& session,
             bsoncxx::v_noabi::string::view_or_value name,
             bsoncxx::v_noabi::document::view_or_value filter,
             const options::distinct& options = options::distinct());
 
    MONGOCXX_ABI_EXPORT_CDECL(void)
    drop(const bsoncxx::v_noabi::stdx::optional<mongocxx::v_noabi::write_concern>& write_concern =
             {},
         bsoncxx::v_noabi::document::view_or_value collection_options = {});
 
    MONGOCXX_ABI_EXPORT_CDECL(void)
    drop(const client_session& session,
         const bsoncxx::v_noabi::stdx::optional<mongocxx::v_noabi::write_concern>& write_concern =
             {},
         bsoncxx::v_noabi::document::view_or_value collection_options = {});
 
    MONGOCXX_ABI_EXPORT_CDECL(cursor)
    find(bsoncxx::v_noabi::document::view_or_value filter,
         const options::find& options = options::find());
 
    MONGOCXX_ABI_EXPORT_CDECL(cursor)
    find(const client_session& session,
         bsoncxx::v_noabi::document::view_or_value filter,
         const options::find& options = options::find());
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<bsoncxx::v_noabi::document::value>)
    find_one(bsoncxx::v_noabi::document::view_or_value filter,
             const options::find& options = options::find());
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<bsoncxx::v_noabi::document::value>)
    find_one(const client_session& session,
             bsoncxx::v_noabi::document::view_or_value filter,
             const options::find& options = options::find());
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<bsoncxx::v_noabi::document::value>)
    find_one_and_delete(
        bsoncxx::v_noabi::document::view_or_value filter,
        const options::find_one_and_delete& options = options::find_one_and_delete());
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<bsoncxx::v_noabi::document::value>)
    find_one_and_delete(
        const client_session& session,
        bsoncxx::v_noabi::document::view_or_value filter,
        const options::find_one_and_delete& options = options::find_one_and_delete());
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<bsoncxx::v_noabi::document::value>)
    find_one_and_replace(
        bsoncxx::v_noabi::document::view_or_value filter,
        bsoncxx::v_noabi::document::view_or_value replacement,
        const options::find_one_and_replace& options = options::find_one_and_replace());
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<bsoncxx::v_noabi::document::value>)
    find_one_and_replace(
        const client_session& session,
        bsoncxx::v_noabi::document::view_or_value filter,
        bsoncxx::v_noabi::document::view_or_value replacement,
        const options::find_one_and_replace& options = options::find_one_and_replace());
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<bsoncxx::v_noabi::document::value>)
    find_one_and_update(
        bsoncxx::v_noabi::document::view_or_value filter,
        bsoncxx::v_noabi::document::view_or_value update,
        const options::find_one_and_update& options = options::find_one_and_update());
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<bsoncxx::v_noabi::document::value>)
    find_one_and_update(
        bsoncxx::v_noabi::document::view_or_value filter,
        const pipeline& update,
        const options::find_one_and_update& options = options::find_one_and_update());
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<bsoncxx::v_noabi::document::value>)
    find_one_and_update(
        bsoncxx::v_noabi::document::view_or_value filter,
        std::initializer_list<_empty_doc_tag> update,
        const options::find_one_and_update& options = options::find_one_and_update());
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<bsoncxx::v_noabi::document::value>)
    find_one_and_update(
        const client_session& session,
        bsoncxx::v_noabi::document::view_or_value filter,
        bsoncxx::v_noabi::document::view_or_value update,
        const options::find_one_and_update& options = options::find_one_and_update());
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<bsoncxx::v_noabi::document::value>)
    find_one_and_update(
        const client_session& session,
        bsoncxx::v_noabi::document::view_or_value filter,
        const pipeline& update,
        const options::find_one_and_update& options = options::find_one_and_update());
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<bsoncxx::v_noabi::document::value>)
    find_one_and_update(
        const client_session& session,
        bsoncxx::v_noabi::document::view_or_value filter,
        std::initializer_list<_empty_doc_tag> update,
        const options::find_one_and_update& options = options::find_one_and_update());
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<result::insert_one>)
    insert_one(bsoncxx::v_noabi::document::view_or_value document,
               const options::insert& options = {});
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<result::insert_one>)
    insert_one(const client_session& session,
               bsoncxx::v_noabi::document::view_or_value document,
               const options::insert& options = {});
 
    template <typename container_type>
    stdx::optional<result::insert_many> insert_many(
        const container_type& container, const options::insert& options = options::insert()) {
        return insert_many(container.begin(), container.end(), options);
    }
 
    template <typename container_type>
    stdx::optional<result::insert_many> insert_many(
        const client_session& session,
        const container_type& container,
        const options::insert& options = options::insert()) {
        return insert_many(session, container.begin(), container.end(), options);
    }
 
    template <typename document_view_iterator_type>
    stdx::optional<result::insert_many> insert_many(
        document_view_iterator_type begin,
        document_view_iterator_type end,
        const options::insert& options = options::insert()) {
        return _insert_many(nullptr, begin, end, options);
    }
 
    template <typename document_view_iterator_type>
    stdx::optional<result::insert_many> insert_many(
        const client_session& session,
        document_view_iterator_type begin,
        document_view_iterator_type end,
        const options::insert& options = options::insert()) {
        return _insert_many(&session, begin, end, options);
    }
 
    MONGOCXX_ABI_EXPORT_CDECL(cursor) list_indexes() const;
 
    MONGOCXX_ABI_EXPORT_CDECL(cursor) list_indexes(const client_session& session) const;
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::string_view) name() const;
 
    MONGOCXX_ABI_EXPORT_CDECL(void)
    rename(bsoncxx::v_noabi::string::view_or_value new_name,
           bool drop_target_before_rename = false,
           const bsoncxx::v_noabi::stdx::optional<write_concern>& write_concern = {});
 
    MONGOCXX_ABI_EXPORT_CDECL(void)
    rename(const client_session& session,
           bsoncxx::v_noabi::string::view_or_value new_name,
           bool drop_target_before_rename = false,
           const bsoncxx::v_noabi::stdx::optional<write_concern>& write_concern = {});
 
    MONGOCXX_ABI_EXPORT_CDECL(void) read_concern(mongocxx::v_noabi::read_concern rc);
 
    MONGOCXX_ABI_EXPORT_CDECL(mongocxx::v_noabi::read_concern) read_concern() const;
 
    MONGOCXX_ABI_EXPORT_CDECL(void) read_preference(mongocxx::v_noabi::read_preference rp);
 
    MONGOCXX_ABI_EXPORT_CDECL(mongocxx::v_noabi::read_preference) read_preference() const;
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<result::replace_one>)
    replace_one(bsoncxx::v_noabi::document::view_or_value filter,
                bsoncxx::v_noabi::document::view_or_value replacement,
                const options::replace& options = options::replace{});
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<result::replace_one>)
    replace_one(const client_session& session,
                bsoncxx::v_noabi::document::view_or_value filter,
                bsoncxx::v_noabi::document::view_or_value replacement,
                const options::replace& options = options::replace{});
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<result::update>)
    update_many(bsoncxx::v_noabi::document::view_or_value filter,
                bsoncxx::v_noabi::document::view_or_value update,
                const options::update& options = options::update());
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<result::update>)
    update_many(bsoncxx::v_noabi::document::view_or_value filter,
                const pipeline& update,
                const options::update& options = options::update());
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<result::update>)
    update_many(bsoncxx::v_noabi::document::view_or_value filter,
                std::initializer_list<_empty_doc_tag> update,
                const options::update& options = options::update());
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<result::update>)
    update_many(const client_session& session,
                bsoncxx::v_noabi::document::view_or_value filter,
                bsoncxx::v_noabi::document::view_or_value update,
                const options::update& options = options::update());
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<result::update>)
    update_many(const client_session& session,
                bsoncxx::v_noabi::document::view_or_value filter,
                const pipeline& update,
                const options::update& options = options::update());
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<result::update>)
    update_many(const client_session& session,
                bsoncxx::v_noabi::document::view_or_value filter,
                std::initializer_list<_empty_doc_tag> update,
                const options::update& options = options::update());
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<result::update>)
    update_one(bsoncxx::v_noabi::document::view_or_value filter,
               bsoncxx::v_noabi::document::view_or_value update,
               const options::update& options = options::update());
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<result::update>)
    update_one(bsoncxx::v_noabi::document::view_or_value filter,
               const pipeline& update,
               const options::update& options = options::update());
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<result::update>)
    update_one(bsoncxx::v_noabi::document::view_or_value filter,
               std::initializer_list<_empty_doc_tag> update,
               const options::update& options = options::update());
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<result::update>)
    update_one(const client_session& session,
               bsoncxx::v_noabi::document::view_or_value filter,
               bsoncxx::v_noabi::document::view_or_value update,
               const options::update& options = options::update());
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<result::update>)
    update_one(const client_session& session,
               bsoncxx::v_noabi::document::view_or_value filter,
               const pipeline& update,
               const options::update& options = options::update());
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<result::update>)
    update_one(const client_session& session,
               bsoncxx::v_noabi::document::view_or_value filter,
               std::initializer_list<_empty_doc_tag> update,
               const options::update& options = options::update());
 
    MONGOCXX_ABI_EXPORT_CDECL(void) write_concern(mongocxx::v_noabi::write_concern wc);
 
    MONGOCXX_ABI_EXPORT_CDECL(mongocxx::v_noabi::write_concern) write_concern() const;
 
    MONGOCXX_ABI_EXPORT_CDECL(index_view) indexes();
 
    MONGOCXX_ABI_EXPORT_CDECL(change_stream) watch(const options::change_stream& options = {});
 
    MONGOCXX_ABI_EXPORT_CDECL(change_stream)
    watch(const client_session& session, const options::change_stream& options = {});
 
    MONGOCXX_ABI_EXPORT_CDECL(change_stream)
    watch(const pipeline& pipe, const options::change_stream& options = {});
 
    MONGOCXX_ABI_EXPORT_CDECL(change_stream)
    watch(const client_session& session,
          const pipeline& pipe,
          const options::change_stream& options = {});
 
    MONGOCXX_ABI_EXPORT_CDECL(search_index_view) search_indexes();
 
   private:
    friend ::mongocxx::v_noabi::bulk_write;
    friend ::mongocxx::v_noabi::client_encryption;
    friend ::mongocxx::v_noabi::database;
 
    collection(const database& database, bsoncxx::v_noabi::string::view_or_value collection_name);
 
    collection(const database& database, void* collection);
 
    cursor _aggregate(const client_session* session,
                      const pipeline& pipeline,
                      const options::aggregate& options);
 
    std::int64_t _count(const client_session* session,
                        bsoncxx::v_noabi::document::view_or_value filter,
                        const options::count& options);
 
    std::int64_t _count_documents(const client_session* session,
                                  bsoncxx::v_noabi::document::view_or_value filter,
                                  const options::count& options);
 
    bsoncxx::v_noabi::document::value _create_index(
        const client_session* session,
        bsoncxx::v_noabi::document::view_or_value keys,
        bsoncxx::v_noabi::document::view_or_value index_options,
        options::index_view operation_options);
 
    stdx::optional<result::delete_result> _delete_many(
        const client_session* session,
        bsoncxx::v_noabi::document::view_or_value filter,
        const options::delete_options& options);
 
    stdx::optional<result::delete_result> _delete_one(
        const client_session* session,
        bsoncxx::v_noabi::document::view_or_value filter,
        const options::delete_options& options);
 
    cursor _distinct(const client_session* session,
                     bsoncxx::v_noabi::string::view_or_value name,
                     bsoncxx::v_noabi::document::view_or_value filter,
                     const options::distinct& options);
 
    void _drop(
        const client_session* session,
        const bsoncxx::v_noabi::stdx::optional<mongocxx::v_noabi::write_concern>& write_concern,
        bsoncxx::v_noabi::document::view_or_value collection_options);
 
    cursor _find(const client_session* session,
                 bsoncxx::v_noabi::document::view_or_value filter,
                 const options::find& options);
 
    stdx::optional<bsoncxx::v_noabi::document::value> _find_one(
        const client_session* session,
        bsoncxx::v_noabi::document::view_or_value filter,
        const options::find& options);
 
    stdx::optional<bsoncxx::v_noabi::document::value> _find_one_and_delete(
        const client_session* session,
        bsoncxx::v_noabi::document::view_or_value filter,
        const options::find_one_and_delete& options);
 
    stdx::optional<bsoncxx::v_noabi::document::value> _find_one_and_replace(
        const client_session* session,
        bsoncxx::v_noabi::document::view_or_value filter,
        bsoncxx::v_noabi::document::view_or_value replacement,
        const options::find_one_and_replace& options);
 
    stdx::optional<bsoncxx::v_noabi::document::value> _find_one_and_update(
        const client_session* session,
        bsoncxx::v_noabi::document::view_or_value filter,
        bsoncxx::v_noabi::document::view_or_value update,
        const options::find_one_and_update& options);
 
    stdx::optional<result::insert_one> _insert_one(
        const client_session* session,
        bsoncxx::v_noabi::document::view_or_value document,
        const options::insert& options);
 
    void _rename(
        const client_session* session,
        bsoncxx::v_noabi::string::view_or_value new_name,
        bool drop_target_before_rename,
        const bsoncxx::v_noabi::stdx::optional<mongocxx::v_noabi::write_concern>& write_concern);
 
    stdx::optional<result::replace_one> _replace_one(const client_session* session,
                                                     const options::bulk_write& bulk_opts,
                                                     const model::replace_one& replace_op);
 
    stdx::optional<result::replace_one> _replace_one(
        const client_session* session,
        bsoncxx::v_noabi::document::view_or_value filter,
        bsoncxx::v_noabi::document::view_or_value replacement,
        const options::replace& options);
 
    stdx::optional<result::update> _update_one(const client_session* session,
                                               bsoncxx::v_noabi::document::view_or_value filter,
                                               bsoncxx::v_noabi::document::view_or_value update,
                                               const options::update& options);
 
    stdx::optional<result::update> _update_many(const client_session* session,
                                                bsoncxx::v_noabi::document::view_or_value filter,
                                                bsoncxx::v_noabi::document::view_or_value update,
                                                const options::update& options);
 
    change_stream _watch(const client_session* session,
                         const pipeline& pipe,
                         const options::change_stream& options);
 
    // Helpers for the insert_many method templates.
    MONGOCXX_ABI_EXPORT_CDECL(mongocxx::v_noabi::bulk_write)
    _init_insert_many(const options::insert& options, const client_session* session);
 
    MONGOCXX_ABI_EXPORT_CDECL(void)
    _insert_many_doc_handler(mongocxx::v_noabi::bulk_write& writes,
                             bsoncxx::v_noabi::builder::basic::array& inserted_ids,
                             bsoncxx::v_noabi::document::view doc) const;
 
    MONGOCXX_ABI_EXPORT_CDECL(stdx::optional<result::insert_many>)
    _exec_insert_many(mongocxx::v_noabi::bulk_write& writes,
                      bsoncxx::v_noabi::builder::basic::array& inserted_ids);
 
    template <typename document_view_iterator_type>
    stdx::optional<result::insert_many> _insert_many(const client_session* session,
                                                     document_view_iterator_type begin,
                                                     document_view_iterator_type end,
                                                     const options::insert& options) {
        bsoncxx::v_noabi::builder::basic::array inserted_ids;
        auto writes = _init_insert_many(options, session);
        std::for_each(
            begin, end, [&inserted_ids, &writes, this](bsoncxx::v_noabi::document::view doc) {
                _insert_many_doc_handler(writes, inserted_ids, doc);
            });
        return _exec_insert_many(writes, inserted_ids);
    }
 
    class impl;
 
    impl& _get_impl();
    const impl& _get_impl() const;
 
    std::unique_ptr<impl> _impl;
};
 
}  // namespace v_noabi
}  // namespace mongocxx
 
#include <mongocxx/config/postlude.hpp>