bsoncxx::document::value collection::create_index(view_or_value keys,
const options::index& options) {
scoped_bson_t bson_keys{keys};
bson_error_t error;
::mongoc_index_opt_geo_t geo_opt{};
::mongoc_index_opt_t opt{};
::mongoc_index_opt_wt_t wt_opt{};
libmongoc::index_opt_init(&opt);
// keep our safe copies alive
bsoncxx::string::view_or_value name_copy{};
bsoncxx::string::view_or_value wt_config_copy{};
bsoncxx::string::view_or_value default_language_copy{};
bsoncxx::string::view_or_value language_override_copy{};
if (options.background()) {
opt.background = *options.background();
}
if (options.unique()) {
opt.unique = *options.unique();
}
if (options.name()) {
name_copy = options.name()->terminated();
opt.name = name_copy.data();
}
if (options.sparse()) {
opt.sparse = *options.sparse();
}
if (options.storage_options()) {
const options::index::wiredtiger_storage_options* wt_options;
libmongoc::index_opt_wt_init(&wt_opt);
if (options.storage_options()->type() ==
::mongoc_index_storage_opt_type_t::MONGOC_INDEX_STORAGE_OPT_WIREDTIGER) {
wt_options = static_cast<const options::index::wiredtiger_storage_options*>(
options.storage_options().get());
if (wt_options->config_string()) {
wt_config_copy = wt_options->config_string()->terminated();
wt_opt.config_str = wt_config_copy.data();
}
opt.storage_options = reinterpret_cast<mongoc_index_opt_storage_t*>(&wt_opt);
}
}
if (options.expire_after()) {
const auto count = options.expire_after()->count();
if ((count < 0) || (count > std::numeric_limits<int32_t>::max())) {
throw logic_error{error_code::k_invalid_parameter};
}
opt.expire_after_seconds = static_cast<std::int32_t>(count);
}
if (options.version()) {
opt.v = *options.version();
}
if (options.weights()) {
scoped_bson_t weights{*options.weights()};
opt.weights = weights.bson();
}
if (options.default_language()) {
default_language_copy = options.default_language()->terminated();
opt.default_language = default_language_copy.data();
}
if (options.language_override()) {
language_override_copy = options.language_override()->terminated();
opt.language_override = language_override_copy.data();
}
if (options.collation()) {
scoped_bson_t collation{*options.collation()};
opt.collation = collation.bson();
}
if (options.partial_filter_expression()) {
scoped_bson_t partial_filter_expression{*options.partial_filter_expression()};
opt.partial_filter_expression = partial_filter_expression.bson();
}
if (options.twod_sphere_version() || options.twod_bits_precision() ||
options.twod_location_min() || options.twod_location_max() ||
options.haystack_bucket_size()) {
libmongoc::index_opt_geo_init(&geo_opt);
if (options.twod_sphere_version()) {
geo_opt.twod_sphere_version = *options.twod_sphere_version();
}
if (options.twod_bits_precision()) {
geo_opt.twod_bits_precision = *options.twod_bits_precision();
}
if (options.twod_location_min()) {
geo_opt.twod_location_min = *options.twod_location_min();
}
if (options.twod_location_max()) {
geo_opt.twod_location_max = *options.twod_location_max();
}
if (options.haystack_bucket_size()) {
geo_opt.haystack_bucket_size = *options.haystack_bucket_size();
}
opt.geo_options = &geo_opt;
}
auto result = libmongoc::collection_create_index(
_get_impl().collection_t, bson_keys.bson(), &opt, &error);
if (!result) {
throw_exception<operation_exception>(error);
}
if (options.name()) {
return make_document(kvp("name", *options.name()));
} else {
const auto keys = libmongoc::collection_keys_to_index_string(bson_keys.bson());
const auto clean_keys = make_guard([&] { bson_free(keys); });
return make_document(kvp("name", keys));
}
}
bsoncxx::document::value collection::create_index(view_or_value keys,
const options::index& options) {
scoped_bson_t bson_keys{keys};
bson_error_t error;
::mongoc_index_opt_geo_t geo_opt{};
::mongoc_index_opt_t opt{};
::mongoc_index_opt_wt_t wt_opt{};
libmongoc::index_opt_init(&opt);
// keep our safe copies alive
bsoncxx::string::view_or_value name_copy{};
bsoncxx::string::view_or_value wt_config_copy{};
bsoncxx::string::view_or_value default_language_copy{};
bsoncxx::string::view_or_value language_override_copy{};
if (options.background()) {
opt.background = *options.background();
}
if (options.unique()) {
opt.unique = *options.unique();
}
if (options.name()) {
name_copy = options.name()->terminated();
opt.name = name_copy.data();
}
if (options.sparse()) {
opt.sparse = *options.sparse();
}
if (options.storage_options()) {
const options::index::wiredtiger_storage_options* wt_options;
libmongoc::index_opt_wt_init(&wt_opt);
if (options.storage_options()->type() ==
::mongoc_index_storage_opt_type_t::MONGOC_INDEX_STORAGE_OPT_WIREDTIGER) {
wt_options = static_cast<const options::index::wiredtiger_storage_options*>(
options.storage_options().get());
if (wt_options->config_string()) {
wt_config_copy = wt_options->config_string()->terminated();
wt_opt.config_str = wt_config_copy.data();
}
opt.storage_options = reinterpret_cast<mongoc_index_opt_storage_t*>(&wt_opt);
}
}
if (options.expire_after_seconds()) {
opt.expire_after_seconds = *options.expire_after_seconds();
}
if (options.version()) {
opt.v = *options.version();
}
if (options.weights()) {
scoped_bson_t weights{*options.weights()};
opt.weights = weights.bson();
}
if (options.default_language()) {
default_language_copy = options.default_language()->terminated();
opt.default_language = default_language_copy.data();
}
if (options.language_override()) {
language_override_copy = options.language_override()->terminated();
opt.language_override = language_override_copy.data();
}
if (options.partial_filter_expression()) {
scoped_bson_t partial_filter_expression{*options.partial_filter_expression()};
opt.partial_filter_expression = partial_filter_expression.bson();
}
if (options.twod_sphere_version() || options.twod_bits_precision() ||
options.twod_location_min() || options.twod_location_max() ||
options.haystack_bucket_size()) {
libmongoc::index_opt_geo_init(&geo_opt);
if (options.twod_sphere_version()) {
geo_opt.twod_sphere_version = *options.twod_sphere_version();
}
if (options.twod_bits_precision()) {
geo_opt.twod_bits_precision = *options.twod_bits_precision();
}
if (options.twod_location_min()) {
geo_opt.twod_location_min = *options.twod_location_min();
}
if (options.twod_location_max()) {
geo_opt.twod_location_max = *options.twod_location_max();
}
if (options.haystack_bucket_size()) {
geo_opt.haystack_bucket_size = *options.haystack_bucket_size();
}
opt.geo_options = &geo_opt;
}
auto result = libmongoc::collection_create_index(_get_impl().collection_t, bson_keys.bson(),
&opt, &error);
if (!result) {
throw_exception<operation_exception>(error);
}
if (options.name()) {
return bsoncxx::builder::stream::document{} << "name" << *options.name()
<< bsoncxx::builder::stream::finalize;
} else {
return bsoncxx::builder::stream::document{}
<< "name"
<< std::string{libmongoc::collection_keys_to_index_string(bson_keys.bson())}
<< bsoncxx::builder::stream::finalize;
}
}