Bug 139365 The result of grouping is wrong
Description: The result of grouping is wrong. Step to reproduce: Steps to reproduce: 1. New a report. 2. Create a data source and a data set based on the report. 3. Drag the dataset to the layout, and set two groups on the table. The first level group information: Group key: CITY Interval type: prefix Range: 1 The second level group information: Group key: CUSTOMERNUMBER Interval type: Interval Range: 4 4. Save and preview. (Please refer to the attached design file) Actual result: The result of grouping is wrong. Expected result: In the second level group, the CUSTOMERNUMBER 157, 303, 357, 323 shouldnt in a group. They must be regard as single group according to the conditional of the second level group.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/QueryExecutor.java
Context.exit();
		}
	}
	/**
	 * @param src
	 * @return
	 */
	private String getGroupKeyExpression( IGroupDefinition src )
	{
		String expr = src.getKeyColumn();
		if( expr == null )
		{
			expr = src.getKeyExpression();
		}else
		{
			expr = getColumnRefExpression(expr);
		}
		return expr;
	}
	/**
	 * 
	 * @param expr
	 * @return
	 */
	private String getColumnRefExpression(String expr) 
	{
		return "row[\""+ JavascriptEvalUtil.transformToJsConstants( expr )+ "\"]";
	}
	
	void setParentExecutorHelper( IExecutorHelper helper )