Ejemplo n.º 1
0
    Status Database::renameCollection( OperationContext* txn,
                                       StringData fromNS,
                                       StringData toNS,
                                       bool stayTemp ) {

        audit::logRenameCollection( currentClient.get(), fromNS, toNS );
        invariant(txn->lockState()->isDbLockedForMode(name(), MODE_X));

        { // remove anything cached
            Collection* coll = getCollection( fromNS );
            if ( !coll )
                return Status( ErrorCodes::NamespaceNotFound, "collection not found to rename" );
            IndexCatalog::IndexIterator ii = coll->getIndexCatalog()->getIndexIterator( txn, true );
            while ( ii.more() ) {
                IndexDescriptor* desc = ii.next();
                _clearCollectionCache( txn, desc->indexNamespace() );
            }

            _clearCollectionCache( txn, fromNS );
            _clearCollectionCache( txn, toNS );

            Top::global.collectionDropped( fromNS.toString() );
        }

        txn->recoveryUnit()->registerChange( new AddCollectionChange(this, toNS) );
        Status s =  _dbEntry->renameCollection( txn, fromNS, toNS, stayTemp );
        _collections[toNS] =  _getOrCreateCollectionInstance(txn, toNS);
        return s;
    }
Ejemplo n.º 2
0
    Status Database::renameCollection( OperationContext* txn,
                                       const StringData& fromNS,
                                       const StringData& toNS,
                                       bool stayTemp ) {

        audit::logRenameCollection( currentClient.get(), fromNS, toNS );

        { // remove anything cached
            Collection* coll = getCollection( txn, fromNS );
            if ( !coll )
                return Status( ErrorCodes::NamespaceNotFound, "collection not found to rename" );
            IndexCatalog::IndexIterator ii = coll->getIndexCatalog()->getIndexIterator( true );
            while ( ii.more() ) {
                IndexDescriptor* desc = ii.next();
                _clearCollectionCache( desc->indexNamespace() );
            }

            {
                scoped_lock lk( _collectionLock );
                _clearCollectionCache_inlock( fromNS );
                _clearCollectionCache_inlock( toNS );
            }

            Top::global.collectionDropped( fromNS.toString() );
        }

        return _dbEntry->renameCollection( txn, fromNS, toNS, stayTemp );
    }
Ejemplo n.º 3
0
Status Database::renameCollection(OperationContext* txn,
                                  StringData fromNS,
                                  StringData toNS,
                                  bool stayTemp) {
    audit::logRenameCollection(&cc(), fromNS, toNS);
    invariant(txn->lockState()->isDbLockedForMode(name(), MODE_X));
    BackgroundOperation::assertNoBgOpInProgForNs(fromNS);
    BackgroundOperation::assertNoBgOpInProgForNs(toNS);

    {  // remove anything cached
        Collection* coll = getCollection(fromNS);
        if (!coll)
            return Status(ErrorCodes::NamespaceNotFound, "collection not found to rename");

        string clearCacheReason = str::stream() << "renamed collection '" << fromNS << "' to '"
                                                << toNS << "'";
        IndexCatalog::IndexIterator ii = coll->getIndexCatalog()->getIndexIterator(txn, true);
        while (ii.more()) {
            IndexDescriptor* desc = ii.next();
            _clearCollectionCache(txn, desc->indexNamespace(), clearCacheReason);
        }

        _clearCollectionCache(txn, fromNS, clearCacheReason);
        _clearCollectionCache(txn, toNS, clearCacheReason);

        Top::get(txn->getClient()->getServiceContext()).collectionDropped(fromNS.toString());
    }

    txn->recoveryUnit()->registerChange(new AddCollectionChange(txn, this, toNS));
    Status s = _dbEntry->renameCollection(txn, fromNS, toNS, stayTemp);
    _collections[toNS] = _getOrCreateCollectionInstance(txn, toNS);
    return s;
}
Ejemplo n.º 4
0
    long long Database::getIndexSizeForCollection(OperationContext* opCtx,
                                                  Collection* coll,
                                                  BSONObjBuilder* details,
                                                  int scale ) {
        if ( !coll )
            return 0;

        IndexCatalog::IndexIterator ii =
            coll->getIndexCatalog()->getIndexIterator( true /*includeUnfinishedIndexes*/ );

        long long totalSize = 0;

        while ( ii.more() ) {
            IndexDescriptor* d = ii.next();
            string indNS = d->indexNamespace();

            // XXX creating a Collection for an index which isn't a Collection
            Collection* indColl = getCollection( opCtx, indNS );
            if ( ! indColl ) {
                log() << "error: have index descriptor ["  << indNS
                      << "] but no entry in the index collection." << endl;
                continue;
            }
            totalSize += indColl->dataSize();
            if ( details ) {
                long long const indexSize = indColl->dataSize() / scale;
                details->appendNumber( d->indexName() , indexSize );
            }
        }
        return totalSize;
    }