Bug 193092 If measure filter's member value type is boolean, exception throws out when preview[1102]
Description: If measure filter's member value type is boolean, exception throws out when preview[1102] Build number: 2.2.0.v20070618-1344 Steps to reproduce: 1, Open the attached report design 2, The measure's filter has a boolean type member value 3, Preview Expected result: The filter works well Actual result: Exception occurs when preview Error log: org.eclipse.birt.report.service.api.ReportServiceException: Error happened while running the report; nested exception is: java.lang.IllegalArgumentException org.eclipse.birt.data.engine.olap.data.util.CompareUtil.compare(CompareUtil.java:58) org.eclipse.birt.data.engine.olap.util.filter.DimensionFilterEvalHelper.evaluateFilter(DimensionFilterEvalHelper.java:71) org.eclipse.birt.data.engine.olap.data.api.CubeQueryExecutorHelper.applyAggrFilter(CubeQueryExecutorHelper.java:769) org.eclipse.birt.data.engine.olap.data.api.CubeQueryExecutorHelper.generateLevelFilters(CubeQueryExecutorHelper.java:595) org.eclipse.birt.data.engine.olap.data.api.CubeQueryExecutorHelper.applyAggrFilters(CubeQueryExecutorHelper.java:477) org.eclipse.birt.data.engine.olap.data.api.CubeQueryExecutorHelper.execute(CubeQueryExecutorHelper.java:299)
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/script/ScriptEvalUtil.java
* @throws DataException
		 */
		private static Object[] isComparable( Object obj, int operator,
				ExprTextAndValue op1, ExprTextAndValue op2 )
				throws DataException
		{
			if ( needFormat( obj, operator, op1, op2 ) )
				return formatToComparable( obj, op1, op2 );
			return null;
		}
		/**
		 * 
		 * @param obj
		 * @param operator
		 * @param op1
		 * @param op2
		 * @return
		 */
		private static boolean needFormat( Object obj, int operator,
				ExprTextAndValue op1, ExprTextAndValue op2 )
		{
			
			
			
			if ( operator < IConditionalExpression.OP_EQ
					|| operator > IConditionalExpression.OP_NOT_BETWEEN
					|| obj == null || op1.value == null )
				return false;
			
			else if ( ( operator == IConditionalExpression.OP_BETWEEN || operator == IConditionalExpression.OP_NOT_BETWEEN )