The other approach would to write to temp table and then merge the data. But this may be expensive solution.
Thanks Deepak On Mon, Mar 19, 2018, 08:04 Gurusamy Thirupathy <thirug...@gmail.com> wrote: > Hi, > > I am trying to read data from Hive as DataFrame, then trying to write the > DF into the Oracle data base. In this case, the date field/column in hive > is with Type Varchar(20) > but the corresponding column type in Oracle is Date. While reading from > hive , the hive table names are dynamically decided(read from another > table) based on some job condition(ex. Job1). There are multiple tables > like this, so column and the table names are decided only run time. So I > can't do type conversion explicitly when read from Hive. > > So is there any utility/api available in Spark to achieve this conversion > issue? > > > Thanks, > Guru >
