Bug 122254 Not Like operator is missing in the Filter tab of Data Set window
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/script/ScriptEvalUtil.java
resultObject = obArray[0];
			resultOp1 = obArray[1];
			resultOp2 = obArray[2];
		}
		
		if ( logger.isLoggable( Level.FINER ) )
			logger.entering( 
				ScriptEvalUtil.class.getName( ),
				"evalConditionalExpr",
				"evalConditionalExpr() resultObject="
				+ LogUtil.toString( resultObject )
				+ ", operator=" + operator
				+ ( resultOp1 == null? null: ( ", resultOp1=" + LogUtil.toString( resultOp1 ) ) )
				+ ( resultOp2 == null? null: ( ", resultOp2=" + LogUtil.toString( resultOp2 ) ) ) 
				);
		boolean result = false;
		switch ( operator )
		{
			case IConditionalExpression.OP_EQ :
			    result = compare( resultObject, resultOp1 ) == 0;
				break;
			case IConditionalExpression.OP_NE :
			    result = compare( resultObject, resultOp1 ) != 0;
				break;
			case IConditionalExpression.OP_LT :
				result = compare( resultObject, resultOp1 ) < 0;
				break;
			case IConditionalExpression.OP_LE :
				result = compare( resultObject, resultOp1 ) <= 0;
				break;