Sql：在MS Query的switch中的datediff

I am using MS Query in Excel 2010. I have two tables and I am appending them together. colG is then added. ColA has dates and in colG I want to diplay a message about how long ago the date is from the current date. I am having issues using DateDiff within a switch statement. Any ideas what is wrong? Here is what I have so far:I am using MS Query in Excel 2010. I have two t