Hi   below are some pointers just in case not tried  ( which I believe you using them ) set the column value to TIMESTAMP --  ( map-column-hive <cols_name>=TIMESTAMP)  Then please keep in mind the column should be bigint The main issue is the format. Parquet represent time in "msec" where as impala will interpret BigInt as "sec" so to get correct value you need to take care at query level. ( divide by 1000)    Regards Jay   ... View more

--as-textfile Maps all the columns to their respective datatypes mentioned in –map-column-hive --as-parquet-file Does not change any datatype for the columns mentioned in –map-column-hive   Please reply on this, if you have got answer ... View more