コード例 #1
0
ファイル: query_stage_ixscan.cpp プロジェクト: RyanBard/mongo
    IndexScan* createIndexScanSimpleRange(BSONObj startKey, BSONObj endKey) {
        IndexCatalog* catalog = _coll->getIndexCatalog();
        std::vector<IndexDescriptor*> indexes;
        catalog->findIndexesByKeyPattern(&_opCtx, BSON("x" << 1), false, &indexes);
        ASSERT_EQ(indexes.size(), 1U);

        // We are not testing indexing here so use maximal bounds
        IndexScanParams params(&_opCtx, *indexes[0]);
        params.bounds.isSimpleRange = true;
        params.bounds.startKey = startKey;
        params.bounds.endKey = endKey;
        params.bounds.boundInclusion = BoundInclusion::kIncludeBothStartAndEndKeys;
        params.direction = 1;

        // This child stage gets owned and freed by the caller.
        MatchExpression* filter = NULL;
        return new IndexScan(&_opCtx, params, &_ws, filter);
    }
コード例 #2
0
ファイル: query_stage_ixscan.cpp プロジェクト: RyanBard/mongo
    IndexScan* createIndexScan(BSONObj startKey,
                               BSONObj endKey,
                               bool startInclusive,
                               bool endInclusive,
                               int direction = 1) {
        IndexCatalog* catalog = _coll->getIndexCatalog();
        std::vector<IndexDescriptor*> indexes;
        catalog->findIndexesByKeyPattern(&_opCtx, BSON("x" << 1), false, &indexes);
        ASSERT_EQ(indexes.size(), 1U);

        IndexScanParams params(&_opCtx, *indexes[0]);
        params.direction = direction;

        OrderedIntervalList oil("x");
        BSONObjBuilder bob;
        bob.appendAs(startKey.firstElement(), "");
        bob.appendAs(endKey.firstElement(), "");
        oil.intervals.push_back(Interval(bob.obj(), startInclusive, endInclusive));
        params.bounds.fields.push_back(oil);

        MatchExpression* filter = NULL;
        return new IndexScan(&_opCtx, params, &_ws, filter);
    }
コード例 #3
0
ファイル: system_index.cpp プロジェクト: DINKIN/mongo
Status verifySystemIndexes(OperationContext* opCtx) {
    const NamespaceString& systemUsers = AuthorizationManager::usersCollectionNamespace;
    const NamespaceString& systemRoles = AuthorizationManager::rolesCollectionNamespace;

    AutoGetDb autoDb(opCtx, systemUsers.db(), MODE_X);
    if (!autoDb.getDb()) {
        return Status::OK();
    }

    Collection* collection = autoDb.getDb()->getCollection(opCtx, systemUsers);
    if (collection) {
        IndexCatalog* indexCatalog = collection->getIndexCatalog();
        invariant(indexCatalog);

        // Make sure the old unique index from v2.4 on system.users doesn't exist.
        std::vector<IndexDescriptor*> indexes;
        indexCatalog->findIndexesByKeyPattern(opCtx, v1SystemUsersKeyPattern, false, &indexes);

        if (!indexes.empty()) {
            fassert(ErrorCodes::AmbiguousIndexKeyPattern, indexes.size() == 1);
            return Status(ErrorCodes::AuthSchemaIncompatible,
                          "Old 2.4 style user index identified. "
                          "The authentication schema needs to be updated by "
                          "running authSchemaUpgrade on a 2.6 server.");
        }

        // Ensure that system indexes exist for the user collection
        indexCatalog->findIndexesByKeyPattern(opCtx, v3SystemUsersKeyPattern, false, &indexes);
        if (indexes.empty()) {
            try {
                generateSystemIndexForExistingCollection(
                    opCtx, collection, systemUsers, v3SystemUsersIndexSpec);
            } catch (...) {
                return exceptionToStatus();
            }
        }
    }

    // Ensure that system indexes exist for the roles collection, if it exists.
    collection = autoDb.getDb()->getCollection(opCtx, systemRoles);
    if (collection) {
        IndexCatalog* indexCatalog = collection->getIndexCatalog();
        invariant(indexCatalog);

        std::vector<IndexDescriptor*> indexes;
        indexCatalog->findIndexesByKeyPattern(opCtx, v3SystemRolesKeyPattern, false, &indexes);
        if (indexes.empty()) {
            try {
                generateSystemIndexForExistingCollection(
                    opCtx, collection, systemRoles, v3SystemRolesIndexSpec);
            } catch (...) {
                return exceptionToStatus();
            }
        }
    }

    // Ensure that system indexes exist for the sessions collection, if it exists.
    collection = autoDb.getDb()->getCollection(opCtx, sessionCollectionNamespace);
    if (collection) {
        IndexCatalog* indexCatalog = collection->getIndexCatalog();
        invariant(indexCatalog);

        std::vector<IndexDescriptor*> indexes;
        indexCatalog->findIndexesByKeyPattern(opCtx, v1SystemSessionsKeyPattern, false, &indexes);
        if (indexes.empty()) {
            try {
                generateSystemIndexForExistingCollection(
                    opCtx, collection, sessionCollectionNamespace, v1SystemSessionsIndexSpec);
            } catch (...) {
                return exceptionToStatus();
            }
        }
    }

    return Status::OK();
}