question: get the last data modification . this is used for set_max_data_modification_id visitors . concode_field_sep int GET_COLUMNS concode_elem_sep ColumnResolver resolver concode_elem_sep int EVALUATABLE concode_elem_sep int GET_DEPENDENCIES concode_elem_sep int QUERY_COMPARABLE concode_elem_sep HashSet<Column> columns concode_elem_sep int type concode_elem_sep int NOT_FROM_RESOLVER concode_elem_sep ExpressionVisitor EVALUATABLE_VISITOR concode_elem_sep HashSet<DbObject> dependencies concode_elem_sep int READONLY concode_elem_sep int INDEPENDENT concode_elem_sep long[] maxDataModificationId concode_elem_sep int SET_MAX_DATA_MODIFICATION_ID concode_elem_sep ExpressionVisitor QUERY_COMPARABLE_VISITOR concode_elem_sep ExpressionVisitor DETERMINISTIC_VISITOR concode_elem_sep int DETERMINISTIC concode_elem_sep int OPTIMIZABLE_MIN_MAX_COUNT_ALL concode_elem_sep ExpressionVisitor INDEPENDENT_VISITOR concode_elem_sep int queryLevel concode_elem_sep ExpressionVisitor READONLY_VISITOR concode_elem_sep Table table concode_field_sep void addColumn concode_elem_sep ExpressionVisitor getOptimizableVisitor concode_elem_sep ExpressionVisitor getColumnsVisitor concode_elem_sep HashSet<DbObject> getDependencies concode_elem_sep ExpressionVisitor getMaxModificationIdVisitor concode_elem_sep ExpressionVisitor getNotFromResolverVisitor concode_elem_sep void addDependency concode_elem_sep ExpressionVisitor getDependenciesVisitor concode_elem_sep Table getTable concode_elem_sep int getType concode_elem_sep int getQueryLevel concode_elem_sep ExpressionVisitor incrementQueryLevel concode_elem_sep void addDataModificationId concode_elem_sep ColumnResolver getResolver
target: long function ( ) { return maxDataModificationId [ 0 ] ; }