Esempio n. 1
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    void configureSystemIndexes(OperationContext* txn, const StringData& dbname) {
        int authzVersion;
        Status status = getGlobalAuthorizationManager()->getAuthorizationVersion(
                                                                txn, &authzVersion);
        if (!status.isOK()) {
            return;
        }

        if (dbname == "admin" && authzVersion == AuthorizationManager::schemaVersion26Final) {
            NamespaceString systemUsers(dbname, "system.users");

            // Make sure the old unique index from v2.4 on system.users doesn't exist.
            Client::WriteContext wctx(txn, systemUsers);
            Collection* collection = wctx.ctx().db()->getCollection(txn,
                                                                    NamespaceString(systemUsers));
            if (!collection) {
                return;
            }
            IndexCatalog* indexCatalog = collection->getIndexCatalog();
            IndexDescriptor* oldIndex = NULL;
            while ((oldIndex = indexCatalog->findIndexByKeyPattern(v1SystemUsersKeyPattern))) {
                indexCatalog->dropIndex(txn, oldIndex);
            }
            wctx.commit();
        }
    }
Esempio n. 2
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    Status verifySystemIndexes(OperationContext* txn) {
        const NamespaceString systemUsers = AuthorizationManager::usersCollectionNamespace;

        // Make sure the old unique index from v2.4 on system.users doesn't exist.
        ScopedTransaction scopedXact(txn, MODE_IX);
        AutoGetDb autoDb(txn, systemUsers.db(), MODE_X);
        if (!autoDb.getDb()) {
            return Status::OK();
        }

        Collection* collection = autoDb.getDb()->getCollection(NamespaceString(systemUsers));
        if (!collection) {
            return Status::OK();
        }

        IndexCatalog* indexCatalog = collection->getIndexCatalog();
        IndexDescriptor* oldIndex = NULL;

        if (indexCatalog &&
            (oldIndex = indexCatalog->findIndexByKeyPattern(txn, v1SystemUsersKeyPattern))) {
            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.");
        }

        return Status::OK();
    }
Esempio n. 3
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    void configureSystemIndexes(OperationContext* txn) {
        int authzVersion;
        Status status = getGlobalAuthorizationManager()->getAuthorizationVersion(
                                                                txn, &authzVersion);
        if (!status.isOK()) {
            return;
        }

        if (authzVersion >= AuthorizationManager::schemaVersion26Final) {
            const NamespaceString systemUsers("admin", "system.users");

            // Make sure the old unique index from v2.4 on system.users doesn't exist.
            AutoGetDb autoDb(txn, systemUsers.db(), MODE_X);
            if (!autoDb.getDb()) {
                return;
            }

            Collection* collection = autoDb.getDb()->getCollection(txn,
                                                                   NamespaceString(systemUsers));
            if (!collection) {
                return;
            }

            IndexCatalog* indexCatalog = collection->getIndexCatalog();
            IndexDescriptor* oldIndex = NULL;

            WriteUnitOfWork wunit(txn);
            while ((oldIndex = indexCatalog->findIndexByKeyPattern(txn, v1SystemUsersKeyPattern))) {
                indexCatalog->dropIndex(txn, oldIndex);
            }
            wunit.commit();
        }
    }
Esempio n. 4
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        IndexScan* createIndexScan(MatchExpression* expr, WorkingSet* ws) {
            IndexCatalog* catalog = _coll->getIndexCatalog();
            IndexDescriptor* descriptor = catalog->findIndexByKeyPattern(&_txn, BSON("x" << 1));
            invariant(descriptor);

            // We are not testing indexing here so use maximal bounds
            IndexScanParams params;
            params.descriptor = descriptor;
            params.bounds.isSimpleRange = true;
            params.bounds.startKey = BSON("" << 0);
            params.bounds.endKey = BSON("" << kDocuments+1);
            params.bounds.endKeyInclusive = true;
            params.direction = 1;

            // This child stage gets owned and freed by its parent CountStage
            return new IndexScan(&_txn, params, ws, expr);
        }
Esempio n. 5
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    IndexScan* createIndexScanSimpleRange(BSONObj startKey, BSONObj endKey) {
        IndexCatalog* catalog = _coll->getIndexCatalog();
        IndexDescriptor* descriptor = catalog->findIndexByKeyPattern(&_txn, BSON("x" << 1));
        invariant(descriptor);

        // We are not testing indexing here so use maximal bounds
        IndexScanParams params;
        params.descriptor = descriptor;
        params.bounds.isSimpleRange = true;
        params.bounds.startKey = startKey;
        params.bounds.endKey = endKey;
        params.bounds.endKeyInclusive = true;
        params.direction = 1;

        // This child stage gets owned and freed by the caller.
        MatchExpression* filter = NULL;
        return new IndexScan(&_txn, params, &_ws, filter);
    }
Esempio n. 6
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    IndexScan* createIndexScan(BSONObj startKey,
                               BSONObj endKey,
                               bool startInclusive,
                               bool endInclusive,
                               int direction = 1) {
        IndexCatalog* catalog = _coll->getIndexCatalog();
        IndexDescriptor* descriptor = catalog->findIndexByKeyPattern(&_txn, BSON("x" << 1));
        invariant(descriptor);

        IndexScanParams params;
        params.descriptor = descriptor;
        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(&_txn, params, &_ws, filter);
    }
Esempio n. 7
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    PlanStage::StageState TwoDNear::work(WorkingSetID* out) {
        ++_commonStats.works;

        // Adds the amount of time taken by work() to executionTimeMillis.
        ScopedTimer timer(&_commonStats.executionTimeMillis);

        if (!_initted) {
            _initted = true;

            if ( !_params.collection )
                return PlanStage::IS_EOF;

            IndexCatalog* indexCatalog = _params.collection->getIndexCatalog();

            IndexDescriptor* desc = indexCatalog->findIndexByKeyPattern(_params.indexKeyPattern);
            if ( desc == NULL )
                return PlanStage::IS_EOF;
            TwoDAccessMethod* am = static_cast<TwoDAccessMethod*>( indexCatalog->getIndex( desc ) );

            auto_ptr<twod_exec::GeoSearch> search;
            search.reset(new twod_exec::GeoSearch(_params.collection,
                                           am,
                                           _params.nearQuery.centroid.oldPoint,
                                           _params.numWanted, 
                                           _params.filter,
                                           _params.nearQuery.maxDistance,
                                           _params.nearQuery.isNearSphere ? twod_exec::GEO_SPHERE
                                                                          : twod_exec::GEO_PLANE));

            // This is where all the work is done.  :(
            search->exec();
            _specificStats.objectsLoaded = search->_objectsLoaded;
            _specificStats.nscanned = search->_lookedAt;

            for (twod_exec::GeoHopper::Holder::iterator it = search->_points.begin();
                 it != search->_points.end(); it++) {

                WorkingSetID id = _workingSet->allocate();
                WorkingSetMember* member = _workingSet->get(id);
                member->loc = it->_loc;
                member->obj = _params.collection->docFor(member->loc);
                member->state = WorkingSetMember::LOC_AND_UNOWNED_OBJ;
                if (_params.addDistMeta) {
                    member->addComputed(new GeoDistanceComputedData(it->_distance));
                }
                if (_params.addPointMeta) {
                    member->addComputed(new GeoNearPointComputedData(it->_pt));
                }
                _results.push(Result(id, it->_distance));
                _invalidationMap.insert(pair<DiskLoc, WorkingSetID>(it->_loc, id));
            }
        }

        if (isEOF()) { return PlanStage::IS_EOF; }

        Result result = _results.top();
        _results.pop();
        *out = result.id;

        // Remove from invalidation map.
        WorkingSetMember* member = _workingSet->get(*out);

        // The WSM may have been mutated or deleted so it may not have a loc.
        if (member->hasLoc()) {
            typedef multimap<DiskLoc, WorkingSetID>::iterator MMIT;
            pair<MMIT, MMIT> range = _invalidationMap.equal_range(member->loc);
            for (MMIT it = range.first; it != range.second; ++it) {
                if (it->second == *out) {
                    _invalidationMap.erase(it);
                    break;
                }
            }
        }

        ++_commonStats.advanced;
        return PlanStage::ADVANCED;
    }
Esempio n. 8
0
File: 2d.cpp Progetto: hshinde/mongo
    PlanStage::StageState TwoD::work(WorkingSetID* out) {
        if (isEOF()) { return PlanStage::IS_EOF; }

        if (!_initted) {
            _initted = true;

            if ( !_params.collection )
                return PlanStage::IS_EOF;

            IndexCatalog* indexCatalog = _params.collection->getIndexCatalog();

            _descriptor = indexCatalog->findIndexByKeyPattern(_params.indexKeyPattern);
            if ( _descriptor == NULL )
                return PlanStage::IS_EOF;

            _am = static_cast<TwoDAccessMethod*>( indexCatalog->getIndex( _descriptor ) );
            verify( _am );

            if (NULL != _params.gq.getGeometry()._cap.get()) {
                _browse.reset(new twod_exec::GeoCircleBrowse(_params, _am));
            }
            else if (NULL != _params.gq.getGeometry()._polygon.get()) {
                _browse.reset(new twod_exec::GeoPolygonBrowse(_params, _am));
            }
            else {
                verify(NULL != _params.gq.getGeometry()._box.get());
                _browse.reset(new twod_exec::GeoBoxBrowse(_params, _am));
            }

            // Fill out static portion of plan stats.
            // We will retrieve the geo hashes used by the geo browser
            // when the search is complete.
            _specificStats.type = _browse->_type;
            _specificStats.field = _params.gq.getField();
            _specificStats.converterParams = _browse->_converter->getParams();

            return PlanStage::NEED_TIME;
        }

        verify(NULL != _browse.get());

        if (!_browse->ok()) {
            // Grab geo hashes before disposing geo browser.
            _specificStats.expPrefixes.swap(_browse->_expPrefixes);
            _browse.reset();
            return PlanStage::IS_EOF;
        }

        WorkingSetID id = _workingSet->allocate();
        WorkingSetMember* member = _workingSet->get(id);
        member->loc = _browse->currLoc();
        member->obj = _params.collection->docFor(member->loc);
        member->state = WorkingSetMember::LOC_AND_UNOWNED_OBJ;

        _browse->advance();

        *out = id;
        _commonStats.advanced++;
        _commonStats.works++;
        return PlanStage::ADVANCED;
    }