diff options
author | yarai <yuta.arai@10gen.com> | 2018-09-12 14:43:56 -0400 |
---|---|---|
committer | yarai <yuta.arai@10gen.com> | 2018-09-21 15:46:34 -0400 |
commit | fc75cfdf2e8f97572efd97a348893ba08a82276a (patch) | |
tree | 2a9538ab5b6158a039b7f8be7bd67c25d6f9514b /src/mongo/db/exec/working_set_computed_data.cpp | |
parent | 92b9046433bf8a50dae15f733485adb859d7ed72 (diff) | |
download | mongo-fc75cfdf2e8f97572efd97a348893ba08a82276a.tar.gz |
SERVER-36931 Handle returnKey option for $** indexes
Diffstat (limited to 'src/mongo/db/exec/working_set_computed_data.cpp')
-rw-r--r-- | src/mongo/db/exec/working_set_computed_data.cpp | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/mongo/db/exec/working_set_computed_data.cpp b/src/mongo/db/exec/working_set_computed_data.cpp new file mode 100644 index 00000000000..82497ad509d --- /dev/null +++ b/src/mongo/db/exec/working_set_computed_data.cpp @@ -0,0 +1,52 @@ +/** + * Copyright (C) 2013 10gen Inc. + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License, version 3, + * as published by the Free Software Foundation. + * + * 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 + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + * 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 GNU Affero General 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. + */ + +#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kDefault + +#include "mongo/db/exec/working_set_computed_data.h" + +#include "mongo/util/log.h" + +namespace mongo { + +BSONObj IndexKeyComputedData::rehydrateKey(const BSONObj& keyPattern, + const BSONObj& dehydratedKey) { + BSONObjBuilder bob; + BSONObjIterator keyIter(keyPattern); + BSONObjIterator valueIter(dehydratedKey); + + while (keyIter.more() && valueIter.more()) { + bob.appendAs(valueIter.next(), keyIter.next().fieldNameStringData()); + } + + invariant(!keyIter.more()); + invariant(!valueIter.more()); + + return bob.obj(); +} +} // namespace mongo |