This is my extension to my previously closed post : #515 (comment). I modified the network and transitSchedule.xml to introduce exclusive bus lane on some of the pre-identified routes. But I am now ...

set @filename= :filename; MERGE INTO TestMerge AS T USING CSVREAD(@filename, null, 'fieldDelimiter=" fieldSeparator=, charset=UTF-8') AS S ON T.Code=S.Code WHEN MATCHED THEN UPDATE SET T.Description=S ...