Create 2024-06-Convert-Column-With-Multiple-Date-Formats.pq

Author: ninmonkey

forumQuestions/pq/2024-06-Convert-Column-With-Multiple-Date-Formats.pq

@@ -0,0 +1,18 @@
+    let
+        Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("i45WMjIwMtE1MNY1NFGK1YlWArN0QYJKsbEA", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type nullable text) meta [Serialized.Text = true]) in type table [DateString = _t]),
+        #"Changed Type" = Table.TransformColumnTypes(Source,{{"DateString", type text}}),
+        format1 = "yyyy-MM-dd",
+        format2 = "MM-dd-yyyy",
+
+        #"Added Custom" = Table.AddColumn(#"Changed Type", "Date", 
+            (row) => 
+                try 
+                    Date.FromText( row[DateString], [ Format = format1,  Culture = "en-us" ] )
+                catch (e1) => 
+                    try 
+                        Date.FromText( row[DateString], [ Format = format2, Culture = "en-us" ] )
+                    catch (e2) => error "Failed both dates",
+            type date           
+        )
+    in
+        #"Added Custom"