Maybe it sounds like you are looking for from_json/to_json functions after en/decoding properly.
On 16 Nov 2016 6:45 p.m., "kant kodali" <kanth...@gmail.com> wrote: > > > https://spark.apache.org/docs/2.0.2/sql-programming-guide. > html#json-datasets > > "Spark SQL can automatically infer the schema of a JSON dataset and load > it as a DataFrame. This conversion can be done using > SQLContext.read.json() on either an RDD of String, or a JSON file." > > val df = spark.sql("SELECT json_encoded_blob_column from table_name"); // > A cassandra query (cassandra stores blobs in hexadecimal ) > json_encoded_blob_column > is encoded in hexadecimal. It will be great to have these blobs interpreted > and be loaded as a data frame but for now is there anyway to load or parse > json_encoded_blob_column into a data frame? > > > > > >
