[LMS-1507] changed dataset-sample mapping: eager -> lazy

SVN: 15686

openbis/source/java/ch/systemsx/cisd/openbis/generic/shared/dto/DataPE.java

@@ -229,7 +229,7 @@ public class DataPE extends AbstractIdAndCodeHolder<DataPE> implements IEntityPr
         return getSampleInternal();
     }
 
-    @ManyToOne(fetch = FetchType.EAGER)
+    @ManyToOne(fetch = FetchType.LAZY)
     @JoinColumn(name = ColumnNames.SAMPLE_COLUMN)
     private SamplePE getSampleInternal()
     {