"Internal (unspecified) error in handler" from storage engine CONNECT

# echo 1,test1 > test.tsv

# echo 2,test2 >> test.tsv

# gzip test.tsv

CREATE TABLE test (

  c1 VARCHAR(100) NOT NULL field_format='%n%[^,]%n',

  c2 VARCHAR(100) NOT NULL field_format=',%n%s%n'

)

ENGINE=CONNECT table_type=FMT COMPRESS=1 file_name='test.tsv.gz';

Select * from test;

Got error 122 "Internal (unspecified) error in handler" from storage engine CONNECT