Bug 131011 Support running query based on report document data
Data Engine should support running a query based on data set and expression data stored in a report document. This bugzilla entry serves as a repository for design docs and notes related to this feature.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/executor/transform/group/GroupInformationUtil.java
Object groupStartValue = null;
				if ( colIndex >= 0 )
				{
					
					
					
					
					
					
				}
				else
				{
					groupStartValue = new Integer( child );
				}
				
				if ( this.groupCalculationUtil.getGroupDefn( )[breakLevel].isInSameGroup( currObjectValue,
						prevObjectValue,
						groupStartValue,
						currRowPos ) == false )
				{
					break;
				}
			}
		}
		return breakLevel;
	}
	/**
	 * Returns all rows in the current group at the specified group level, as an
	 * array of ResultObject objects.
	 *