是这个吗?
= Table.TransformColumnTypes(#"Promoted Headers",{{"Created On", type datetime}, {"Created By", type text}, {"Status", type text}, {"Resolved at", type text}, {"Priority", type text}, {"Assignees", type text}, {"Ticket Number", type text}, {"Request Type", type text}, {"Close at", type datetime}, {"Updated On", type datetime}, {"SLA", Int64.Type}, {"Days Spent", Int64.Type}})