C++ (Cpp) BtreeExternalSortComparison示例

示例#1

文件： index_access_method.cpp 项目： hgGeorg/mongo

IndexAccessMethod::BulkBuilder::BulkBuilder(const IndexAccessMethod* index,
                                            const IndexDescriptor* descriptor)
    : _sorter(Sorter::make(
          SortOptions()
              .TempDir(storageGlobalParams.dbpath + "/_tmp")
              .ExtSortAllowed()
              .MaxMemoryUsageBytes(100 * 1024 * 1024),
          BtreeExternalSortComparison(descriptor->keyPattern(), descriptor->version()))),
      _real(index) {}

示例#2

文件： btree_based_bulk_access_method.cpp 项目： DesignByOnyx/mongo

    BtreeBasedBulkAccessMethod::BtreeBasedBulkAccessMethod(OperationContext* txn,
                                                           BtreeBasedAccessMethod* real,
                                                           BtreeInterface* interface,
                                                           const IndexDescriptor* descriptor) {
        _real = real;
        _interface = interface;
        _txn = txn;

        _docsInserted = 0;
        _keysInserted = 0;
        _isMultiKey = false;

        _sorter.reset(BSONObjExternalSorter::make(
                    SortOptions().TempDir(storageGlobalParams.dbpath + "/_tmp")
                                 .ExtSortAllowed()
                                 .MaxMemoryUsageBytes(100*1024*1024),
                    BtreeExternalSortComparison(descriptor->keyPattern(), descriptor->version())));
    }