+-------------------------------+-------------------+
|    data_type                  |  encoding         |
+-------------------------------+-------------------+
| bigint                        | delta             |
| bigint                        | delta32k          |
| character varying(256)        | lzo               |
| bigint                        | runlength         |
| bigint                        | bytedict          |
| timestamp without time zone   | bytedict          |
| integer                       | runlength         |
+-------------------------------+-------------------+

x.write.format("com.databricks.spark.redshift")
.option("url","jdbc:redshift://<url>:<port>/<schema>?user=<user>&password=<pass>")
.option("dbtable","<tbl_nm>")
.option("diststyle","KEY").option("distkey","<key>")
.option("sortkeyspec","SORTKEY(<sort1>)")
.option("tempdir","<path>")
.mode("error").save()