UnsupportedTypeException: Unsupported type: [DECIMAL(10,2)]

**Describe the bug**
try to read mysql and write to hdfs in parquet type batch model , mysql have decimal(10,2) type ,if I define this in mysqlreader got Unsupported type error , but if I just define decimal , decimal place lost in parquet,the field type will be decimal(10,0)
if I write to hdfs in orc type, the field type will change to decimal(38,18)

I'm using 1.14_beta with hdp3.1.4, spark3.2.1