 {
 	public function ColumnStatisticsWrapper(columnWrapper:IColumnWrapper, statsCache:IStatisticsCache)
 	{
+		registerDisposableChild(columnWrapper, this);
 		this.columnWrapper = columnWrapper;
 		this.statsCache = statsCache;
 		columnWrapper.addImmediateCallback(this, getStats);

		}
	}
}
import weave.api.data.IColumnWrapper;
import weave.api.data.IStatisticsCache;
import weave.api.registerLinkableChild;
import weave.core.SessionManager;


{
	public function ColumnStatistics(column:IAttributeColumn)
	{
		registerDisposableChild(column, this);
		this.column = column;
	}
	
