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/**
* Copyright (C) 2018 MongoDB 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.
*/
#include "mongo/platform/basic.h"
#include "mongo/db/query/index_entry.h"
#include "mongo/unittest/death_test.h"
#include "mongo/unittest/unittest.h"
namespace mongo {
namespace {
IndexEntry makeIndexEntry(BSONObj keyPattern, MultikeyPaths multiKeyPaths) {
IndexEntry entry{std::move(keyPattern)};
entry.multikeyPaths = std::move(multiKeyPaths);
entry.multikey = std::any_of(entry.multikeyPaths.cbegin(),
entry.multikeyPaths.cend(),
[](const auto& entry) { return !entry.empty(); });
return entry;
}
TEST(QueryPlannerIXSelectTest, IndexedFieldHasMultikeyComponents) {
auto indexEntry = makeIndexEntry(BSON("a" << 1 << "b.c" << 1), {{}, {}});
ASSERT_FALSE(indexEntry.pathHasMultikeyComponent("a"_sd));
ASSERT_FALSE(indexEntry.pathHasMultikeyComponent("b.c"_sd));
indexEntry = makeIndexEntry(BSON("a" << 1 << "b" << 1), {{}, {0U}});
ASSERT_FALSE(indexEntry.pathHasMultikeyComponent("a"_sd));
ASSERT_TRUE(indexEntry.pathHasMultikeyComponent("b"_sd));
indexEntry = makeIndexEntry(BSON("a" << 1 << "b" << 1 << "c.d" << 1), {{}, {}, {1U}});
ASSERT_FALSE(indexEntry.pathHasMultikeyComponent("a"_sd));
ASSERT_FALSE(indexEntry.pathHasMultikeyComponent("b"_sd));
ASSERT_TRUE(indexEntry.pathHasMultikeyComponent("c.d"_sd));
indexEntry = makeIndexEntry(BSON("a.b" << 1 << "a.c" << 1), {{}, {1U}});
ASSERT_FALSE(indexEntry.pathHasMultikeyComponent("a.b"_sd));
ASSERT_TRUE(indexEntry.pathHasMultikeyComponent("a.c"_sd));
indexEntry = makeIndexEntry(BSON("a.b" << 1 << "a.c" << 1), {{0U, 1U}, {0U}});
ASSERT_TRUE(indexEntry.pathHasMultikeyComponent("a.b"_sd));
ASSERT_TRUE(indexEntry.pathHasMultikeyComponent("a.c"_sd));
indexEntry = makeIndexEntry(BSON("a" << 1 << "b" << 1), {{0U}, {}});
ASSERT_TRUE(indexEntry.pathHasMultikeyComponent("a"_sd));
ASSERT_FALSE(indexEntry.pathHasMultikeyComponent("b"_sd));
indexEntry = makeIndexEntry(BSON("a.b.c" << 1 << "d" << 1), {{1U, 2U}, {}});
ASSERT_TRUE(indexEntry.pathHasMultikeyComponent("a.b.c"_sd));
ASSERT_FALSE(indexEntry.pathHasMultikeyComponent("d"_sd));
indexEntry = makeIndexEntry(BSON("a.b" << 1 << "c" << 1 << "d" << 1), {{1U}, {}, {0U}});
ASSERT_TRUE(indexEntry.pathHasMultikeyComponent("a.b"_sd));
ASSERT_FALSE(indexEntry.pathHasMultikeyComponent("c"_sd));
ASSERT_TRUE(indexEntry.pathHasMultikeyComponent("d"_sd));
}
DEATH_TEST(QueryPlannerIXSelectTest,
IndexedFieldHasMultikeyComponentsPassingInvalidFieldIsFatal,
"Invariant failure Hit a MONGO_UNREACHABLE!") {
auto indexEntry = makeIndexEntry(BSON("a" << 1), {{}});
indexEntry.pathHasMultikeyComponent("b"_sd);
}
} // namespace
} // namespace mongo
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