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Diffstat (limited to 'src/mongo/db/query/ce/stats_serialization_utils.h')
-rw-r--r-- | src/mongo/db/query/ce/stats_serialization_utils.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/mongo/db/query/ce/stats_serialization_utils.h b/src/mongo/db/query/ce/stats_serialization_utils.h new file mode 100644 index 00000000000..84a952e71f2 --- /dev/null +++ b/src/mongo/db/query/ce/stats_serialization_utils.h @@ -0,0 +1,66 @@ +/** + * Copyright (C) 2022-present MongoDB, Inc. + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the Server Side Public License, version 1, + * as published by MongoDB, Inc. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * Server Side Public License for more details. + * + * You should have received a copy of the Server Side Public License + * along with this program. If not, see + * <http://www.mongodb.com/licensing/server-side-public-license>. + * + * As a special exception, the copyright holders give permission to link the + * code of portions of this program with the OpenSSL library under certain + * conditions as described in each individual source file and distribute + * linked combinations including the program with the OpenSSL library. You + * must comply with the Server Side Public License in all respects for + * all of the code used other than as permitted herein. If you modify file(s) + * with this exception, you may extend this exception to your version of the + * file(s), but you are not obligated to do so. If you do not wish to do so, + * delete this exception statement from your version. If you delete this + * exception statement from all source files in the program, then also delete + * it in the license file. + */ + +#pragma once + +#include <list> +#include <string> + +#include "mongo/base/string_data.h" +#include "mongo/bson/bsonobj.h" +#include "mongo/db/exec/sbe/values/value.h" + +namespace mongo::stats_serialization_utils { + +using TypeCount = std::list<std::pair<std::string, long long>>; +using TypeValuePair = std::pair<sbe::value::TypeTags, sbe::value::Value>; + +/** + * Returns owned BSON Object representing data matching mongo::StatsBucket IDL. + */ +BSONObj makeStatsBucket(TypeValuePair typeValue, + long long boundaryCount, + long long rangeCount, + long long rangeDistincts, + long long cumulativeCount, + long long cumulativeDistincts); +/** + * Returns owned BSON Object representing data matching mongo::StatsPath IDL. + */ +BSONObj makeStatsPath(StringData path, + long long documents, + boost::optional<long long> documentsSampled, + boost::optional<double> samplingRate, + boost::optional<long long> samplesRequested, + boost::optional<std::pair<long long, long long>> boolCount, + boost::optional<TypeCount> typeCount, + boost::optional<std::list<BSONObj>> scalarHistogram, + boost::optional<BSONObj> arrayHistogram); + +} // namespace mongo::stats_serialization_utils |