예제 #1
0
파일: database.cpp 프로젝트: dstorch/mongo
    Status Database::dropCollection( const StringData& fullns ) {
        LOG(1) << "dropCollection: " << fullns << endl;
        massertNamespaceNotIndex( fullns, "dropCollection" );

        Collection* collection = getCollection( fullns );
        if ( !collection ) {
            // collection doesn't exist
            return Status::OK();
        }

        _initForWrites();

        {
            NamespaceString s( fullns );
            verify( s.db() == _name );

            if( s.isSystem() ) {
                if( s.coll() == "system.profile" ) {
                    if ( _profile != 0 )
                        return Status( ErrorCodes::IllegalOperation,
                                       "turn off profiling before dropping system.profile collection" );
                }
                else {
                    return Status( ErrorCodes::IllegalOperation, "can't drop system ns" );
                }
            }
        }

        BackgroundOperation::assertNoBgOpInProgForNs( fullns );

        audit::logDropCollection( currentClient.get(), fullns );

        try {
            Status s = collection->getIndexCatalog()->dropAllIndexes( true );
            if ( !s.isOK() ) {
                warning() << "could not drop collection, trying to drop indexes"
                          << fullns << " because of " << s.toString();
                return s;
            }
        }
        catch( DBException& e ) {
            stringstream ss;
            ss << "drop: dropIndexes for collection failed. cause: " << e.what();
            ss << ". See http://dochub.mongodb.org/core/data-recovery";
            warning() << ss.str() << endl;
            return Status( ErrorCodes::InternalError, ss.str() );
        }

        verify( collection->_details->getTotalIndexCount() == 0 );
        LOG(1) << "\t dropIndexes done" << endl;

        ClientCursor::invalidate( fullns );
        Top::global.collectionDropped( fullns );

        Status s = _dropNS( fullns );

        _clearCollectionCache( fullns ); // we want to do this always

        if ( !s.isOK() )
            return s;

        DEV {
            // check all index collection entries are gone
            string nstocheck = fullns.toString() + ".$";
            scoped_lock lk( _collectionLock );
            for ( CollectionMap::const_iterator i = _collections.begin();
                  i != _collections.end();
                  ++i ) {
                string temp = i->first;
                if ( temp.find( nstocheck ) != 0 )
                    continue;
                log() << "after drop, bad cache entries for: "
                      << fullns << " have " << temp;
                verify(0);
            }
        }

        return Status::OK();
    }
예제 #2
0
파일: database.cpp 프로젝트: mikety/mongo
Status Database::dropCollection(OperationContext* txn, StringData fullns) {
    invariant(txn->lockState()->isDbLockedForMode(name(), MODE_X));

    LOG(1) << "dropCollection: " << fullns;
    massertNamespaceNotIndex(fullns, "dropCollection");

    Collection* collection = getCollection(fullns);
    if (!collection) {
        // collection doesn't exist
        return Status::OK();
    }

    NamespaceString nss(fullns);
    {
        verify(nss.db() == _name);

        if (nss.isSystem()) {
            if (nss.isSystemDotProfile()) {
                if (_profile != 0)
                    return Status(ErrorCodes::IllegalOperation,
                                  "turn off profiling before dropping system.profile collection");
            } else if (nss.isSystemDotViews()) {
                if (serverGlobalParams.featureCompatibilityVersion.load() !=
                    ServerGlobalParams::FeatureCompatibilityVersion_32) {
                    return Status(ErrorCodes::IllegalOperation,
                                  "The featureCompatibilityVersion must be 3.2 to drop the "
                                  "system.views collection. See "
                                  "http://dochub.mongodb.org/core/3.4-feature-compatibility.");
                }
            } else {
                return Status(ErrorCodes::IllegalOperation, "can't drop system ns");
            }
        }
    }

    BackgroundOperation::assertNoBgOpInProgForNs(fullns);

    audit::logDropCollection(&cc(), fullns);

    Status s = collection->getIndexCatalog()->dropAllIndexes(txn, true);
    if (!s.isOK()) {
        warning() << "could not drop collection, trying to drop indexes" << fullns << " because of "
                  << redact(s.toString());
        return s;
    }

    verify(collection->_details->getTotalIndexCount(txn) == 0);
    LOG(1) << "\t dropIndexes done";

    Top::get(txn->getClient()->getServiceContext()).collectionDropped(fullns);

    s = _dbEntry->dropCollection(txn, fullns);

    // we want to do this always
    _clearCollectionCache(txn, fullns, "collection dropped");

    if (!s.isOK())
        return s;

    DEV {
        // check all index collection entries are gone
        string nstocheck = fullns.toString() + ".$";
        for (CollectionMap::const_iterator i = _collections.begin(); i != _collections.end(); ++i) {
            string temp = i->first;
            if (temp.find(nstocheck) != 0)
                continue;
            log() << "after drop, bad cache entries for: " << fullns << " have " << temp;
            verify(0);
        }
    }

    auto opObserver = getGlobalServiceContext()->getOpObserver();
    if (opObserver)
        opObserver->onDropCollection(txn, nss);

    return Status::OK();
}
예제 #3
0
파일: database.cpp 프로젝트: ksuarz/mongo
Status Database::dropCollection(OperationContext* txn, StringData fullns) {
    invariant(txn->lockState()->isDbLockedForMode(name(), MODE_X));

    LOG(1) << "dropCollection: " << fullns;
    massertNamespaceNotIndex(fullns, "dropCollection");

    Collection* collection = getCollection(fullns);
    if (!collection) {
        // collection doesn't exist
        return Status::OK();
    }

    NamespaceString nss(fullns);
    {
        verify(nss.db() == _name);

        if (nss.isSystem()) {
            if (nss.isSystemDotProfile()) {
                if (_profile != 0)
                    return Status(ErrorCodes::IllegalOperation,
                                  "turn off profiling before dropping system.profile collection");
            } else if (!nss.isSystemDotViews()) {
                return Status(ErrorCodes::IllegalOperation, "can't drop system ns");
            }
        }
    }

    BackgroundOperation::assertNoBgOpInProgForNs(fullns);

    audit::logDropCollection(&cc(), fullns);

    Status s = collection->getIndexCatalog()->dropAllIndexes(txn, true);
    if (!s.isOK()) {
        warning() << "could not drop collection, trying to drop indexes" << fullns << " because of "
                  << redact(s.toString());
        return s;
    }

    verify(collection->_details->getTotalIndexCount(txn) == 0);
    LOG(1) << "\t dropIndexes done";

    Top::get(txn->getClient()->getServiceContext()).collectionDropped(fullns);

    // We want to destroy the Collection object before telling the StorageEngine to destroy the
    // RecordStore.
    _clearCollectionCache(txn, fullns, "collection dropped");

    s = _dbEntry->dropCollection(txn, fullns);

    if (!s.isOK())
        return s;

    DEV {
        // check all index collection entries are gone
        string nstocheck = fullns.toString() + ".$";
        for (CollectionMap::const_iterator i = _collections.begin(); i != _collections.end(); ++i) {
            string temp = i->first;
            if (temp.find(nstocheck) != 0)
                continue;
            log() << "after drop, bad cache entries for: " << fullns << " have " << temp;
            verify(0);
        }
    }

    getGlobalServiceContext()->getOpObserver()->onDropCollection(txn, nss);

    return Status::OK();
}
예제 #4
0
    Status Database::dropCollection( const StringData& fullns ) {
        LOG(1) << "dropCollection: " << fullns << endl;

        Collection* collection = getCollection( fullns );
        if ( !collection ) {
            // collection doesn't exist
            return Status::OK();
        }

        _initForWrites();

        {
            NamespaceString s( fullns );
            verify( s.db() == _name );

            if( s.isSystem() ) {
                if( s.coll() == "system.profile" ) {
                    if ( _profile != 0 )
                        return Status( ErrorCodes::IllegalOperation,
                                       "turn off profiling before dropping system.profile collection" );
                }
                else {
                    return Status( ErrorCodes::IllegalOperation, "can't drop system ns" );
                }
            }
        }

        BackgroundOperation::assertNoBgOpInProgForNs( fullns );

        if ( collection->_details->getTotalIndexCount() > 0 ) {
            try {
                string errmsg;
                BSONObjBuilder result;

                if ( !dropIndexes( collection->_details, fullns, "*", errmsg, result, true) ) {
                    warning() << "could not drop collection: " << fullns
                              << " because of " << errmsg << endl;
                    return Status( ErrorCodes::InternalError, errmsg );
                }
            }
            catch( DBException& e ) {
                stringstream ss;
                ss << "drop: dropIndexes for collection failed - consider trying repair ";
                ss << " cause: " << e.what();
                warning() << ss.str() << endl;
                return Status( ErrorCodes::InternalError, ss.str() );
            }
            verify( collection->_details->getTotalIndexCount() == 0 );
        }
        LOG(1) << "\t dropIndexes done" << endl;

        ClientCursor::invalidate( fullns );
        Top::global.collectionDropped( fullns );
        NamespaceDetailsTransient::eraseCollection( fullns.toString() );

        Status s = _dropNS( fullns );

        _clearCollectionCache( fullns ); // we want to do this always

        if ( !s.isOK() )
            return s;

        DEV {
            // check all index collection entries are gone
            string nstocheck = fullns.toString() + ".$";
            scoped_lock lk( _collectionLock );
            for ( CollectionMap::iterator i = _collections.begin();
                  i != _collections.end();
                  ++i ) {
                string temp = i->first;
                if ( temp.find( nstocheck ) != 0 )
                    continue;
                log() << "after drop, bad cache entries for: "
                      << fullns << " have " << temp;
                verify(0);
            }
        }

        return Status::OK();
    }