3.1.1

3.1.1

General

• Transformer add column's basic operation
• Use prestosql's hadoop and hive jars instead of apache's
• various misc codes optimize

dbffilereader

• remove supported for reading compressed dbf file

jsonreader

• fixed parse non-string type value

dbffilewriter

• fixed boolean type writing error

hdfswriter

• Use keyword parquest indicates support parquet format, old keyword par is not used