Bug 124761 When add two filters, one is 'State is equal to CA' and the other is 'EmployeeId is Top 10',the data can be extracted.
Description: When add two filters, one is 'State is equal to CA' and the other is 'EmployeeId is Top 10',the data can not be extracted. Steps to reproduce: 1. import the attached report 2. preview Actual result: the data can not be extracted. Expect result: The intersection set of the data 'State is equal to CA' and the data 'EmployeeId is Top 10' should be displayed.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/odi/IQuery.java
*/
    	public void setInterval( int groupInterval ) 
    	{
    		interval = groupInterval;
    	}
    	
    	/**
    	 * Returns the interval for grouping on a range of 
    	 * contiguous group key values. 
    	 * @return 	The grouping interval
    	 */   	
    	public int getInterval( )
    	{
    	    return interval;
    	}
    	
    	/**
    	 * Specifies the number of contiguous group intervals that 
    	 * form one single group, when Interval is used to 
    	 * define group break level. <br>
    	 * For example, if Interval is MONTH_INTERVAL, and IntervalRange
    	 * is 6, each group is defined to contain a span of 6 months.
    	 * @param intervalRange The intervalRange to set.
    	 */
    	public void setIntervalRange( double groupIntervalRange ) 
    	{
    		intervalRange = groupIntervalRange;
    	}
    	
    	/**