[CM][BUG]select by read file has problem

• Fix Build Number:

  RB-8.4.1.1xxx

1 create one DB
create table a(i int,ch char(10));
insert into a values(1,'a'),(2,'b'),(3,'c'),(4,'d'),(2,'b'),(2,'b'),(2,'b')
2 right click a, choose View Data\select by read file
choose the attachment csv file.
change thread count to 1
click execute
Actual result
It will pop error, please see the attachment.

Additional
Change the charset to another charset, it cannot select.