Bug 201205 Exception occurs in dataset preview when IN filter contains a blank value[0802]
Description: Exception occurs in dataset preview when IN filter contains a blank value[0802] Build number: 2.2.1.v20070827-0630 Steps to reproduce: 1, New a sampleDB customer dataset 2, New a filter and operator is IN 3, Specify a blank value and add 4, Preview in dataset Expected result: The preview should be successful and no exception Actual result: Exception occurs Error log: org.eclipse.birt.report.designer.core.runtime.GUIException: Caused by java.lang.reflect.InvocationTargetException. at org.eclipse.birt.report.designer.core.runtime.GUIException.createGUIException(GUIException.java:76) at org.eclipse.birt.report.designer.internal.ui.util.ExceptionHandler.handle(ExceptionHandler.java:169) at org.eclipse.birt.report.designer.internal.ui.util.ExceptionHandler.handle(ExceptionHandler.java:150) at org.eclipse.birt.report.designer.internal.ui.util.ExceptionHandler.handle(ExceptionHandler.java:89) at org.eclipse.birt.report.designer.data.ui.dataset.ResultSetPreviewPage.updateResultsProcess(ResultSetPreviewPage.java:515) at org.eclipse.birt.report.designer.data.ui.dataset.ResultSetPreviewPage.runUpdateResults(ResultSetPreviewPage.java:274) at org.eclipse.birt.report.designer.data.ui.dataset.ResultSetPreviewPage.access$1(ResultSetPreviewPage.java:244) at org.eclipse.birt.report.designer.data.ui.dataset.ResultSetPreviewPage$4.runInUIThread(ResultSetPreviewPage.java:237)
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/script/ScriptEvalUtil.java
break;
			case IConditionalExpression.OP_LE :
				result = compare( resultObject, resultOp[0] ) <= 0;
				break;
			case IConditionalExpression.OP_GE :
				result = compare( resultObject, resultOp[0] ) >= 0;
				break;
			case IConditionalExpression.OP_GT :
				result = compare( resultObject, resultOp[0] ) > 0;
				break;
			case IConditionalExpression.OP_BETWEEN :
				result = between( resultObject, resultOp[0], resultOp[1] );
				break;
			case IConditionalExpression.OP_NOT_BETWEEN :
				result = !( between( resultObject, resultOp[0], resultOp[1] ) );
				break;
			case IConditionalExpression.OP_NULL :
				result = resultObject == null;
				break;
			case IConditionalExpression.OP_NOT_NULL :
				result = resultObject != null;
				break;
			case IConditionalExpression.OP_TRUE :
				result = isTrueOrFalse( resultObject, Boolean.TRUE );
				break;
			case IConditionalExpression.OP_FALSE :
				result = isTrueOrFalse( resultObject, Boolean.FALSE );
				break;
			case IConditionalExpression.OP_LIKE :
				result = like( resultObject, resultOp[0] );