Bug 147977 Chart editor does not use container's column bindings
1) create data source 2) create data set: select * from customers 3) create table 4) bind country, customer name to table 5) group by country 6) create a binding for total_by_country which aggregates # of customers in each country. put a data element in group footer and bind to total_by_country 7) in group header put chart 8) in data tab specify inherit from container Result: You see columns for report data set created in step 2. Expected Result: Just 3 columns for the 3 bindings created in 4 and 6.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/api/querydefn/BaseQueryDefinition.java
*/
	public boolean usesDetails( )
	{
		return hasDetail;
	}
	
	
	/**
	 * @param usesDetails Whether detail rows are used in this query
	 */
	public void setUsesDetails(boolean usesDetails) 
	{
		this.hasDetail = usesDetails;
	}
	/**
	 * Returns the parent query. The parent query is the outer query which encloses
	 * this query
	 */
	public IBaseQueryDefinition getParentQuery() 
	{
		return parentQuery;
	}
	
	/**
	 * Gets the maximum number of detail rows that can be retrieved by this report query
	 * @return Maximum number of rows. If 0, there is no limit on how many rows this query can retrieve.
	 */
	public int getMaxRows( ) 
	{
		return maxRowCount;