Bug 190440 Dimensions from same column will affact each other.[1101]
Description: Dimensions from same column will affact each other. Build number:2.2.0.v200706011658 Steps to reproduce: 1. Open attached report. The cube in the report contains "static amount" and "interval amount". 2. Preview the report. 3. Delete interval amount group and preview again. Expected result: Step2 and step 3 display same effect. Actual result: In step2 preview, xtab display effect of "interval amount" level value instead of "static amount" level value. Error log:N/A
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/olap/data/impl/aggregation/AggregationExecutor.java
/**
	 * 
	 * @param diskSortedStack
	 * @param levelIndex
	 */
	DiskSortedStackWrapper( DiskSortedStack diskSortedStack, int[] levelIndex )
	{
		this.diskSortedStack = diskSortedStack;
		this.levelIndex = levelIndex;
	}
	/**
	 * 
	 * @return
	 * @throws IOException
	 */
	Object pop( ) throws IOException
	{
		currentObj = diskSortedStack.pop( );
		return currentObj;
	}
	/**
	 * 
	 * @return
	 */
	Object getCurrentObject( )
	{
		return currentObj;
	}
}