text: SET hive.exec.compress.output=true;
  SET mapred.output.compression.code=org.apache.hadoop.io.compress.SnappyCodec;
  SET mapred.output.compression.type=BLOCK;
  
  INSERT OVERWRITE TABLE ${hivevar:database_name}.${hivevar:table_name}
  SELECT *
    FROM ${hivevar:database_name}.${hivevar:table_name}
  