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+/**
+ * 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.
+ */
+
+
+#include "mongo/db/query/ce/stats_serialization_utils.h"
+
+#include "mongo/bson/bsonobj.h"
+#include "mongo/bson/bsonobjbuilder.h"
+#include "mongo/db/exec/sbe/values/bson.h"
+
+namespace mongo::stats_serialization_utils {
+
+BSONObj makeStatsBucket(TypeValuePair typeValue,
+ long long boundaryCount,
+ long long rangeCount,
+ long long rangeDistincts,
+ long long cumulativeCount,
+ long long cumulativeDistincts) {
+ BSONObjBuilder bucketBuilder;
+ sbe::bson::appendValueToBsonObj(
+ bucketBuilder, "upperBoundary", typeValue.first, typeValue.second);
+ bucketBuilder.append("boundaryCount", boundaryCount);
+ bucketBuilder.append("rangeCount", rangeCount);
+ bucketBuilder.append("rangeDistincts", rangeDistincts);
+ bucketBuilder.append("cumulativeCount", cumulativeCount);
+ bucketBuilder.append("cumulativeDistincts", cumulativeDistincts);
+ return bucketBuilder.obj();
+}
+
+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) {
+ BSONObjBuilder statsBuilder;
+ statsBuilder.append("path", path);
+ statsBuilder.append("documents", documents);
+ if (documentsSampled) {
+ statsBuilder.append("documentsSampled", *documentsSampled);
+ }
+ if (samplingRate) {
+ statsBuilder.append("samplingRate", *samplingRate);
+ }
+ if (samplesRequested) {
+ statsBuilder.append("samplesRequested", *samplesRequested);
+ }
+ if (boolCount) {
+ BSONObjBuilder boolCountBuilder = statsBuilder.subobjStart("boolCount");
+ boolCountBuilder.append("trueCount", boolCount->first);
+ boolCountBuilder.append("falseCount", boolCount->second);
+ boolCountBuilder.done();
+ }
+ if (typeCount) {
+ BSONArrayBuilder typeCountBuilder = statsBuilder.subarrayStart("typeCount");
+ for (const auto& typeElem : *typeCount) {
+ auto typeElemObj = BSON("typeName" << typeElem.first << "count" << typeElem.second);
+ typeCountBuilder.append(typeElemObj);
+ }
+ typeCountBuilder.done();
+ }
+ if (scalarHistogram) {
+ BSONArrayBuilder histArrBuilder = statsBuilder.subarrayStart("scalarHistogram");
+ histArrBuilder.append(*scalarHistogram);
+ histArrBuilder.done();
+ }
+ if (arrayHistogram) {
+ statsBuilder.append("arrayHistogram", *arrayHistogram);
+ }
+ return statsBuilder.obj();
+}
+
+} // namespace mongo::stats_serialization_utils