it seems he means to query RDBMS or cassandra using Spark SQL, multi data sources for spark SQL.
i looked through the link he posted https://docs.wso2.com/display/BAM241/Creating+Hive+Queries+to+Analyze+Data#CreatingHiveQueriestoAnalyzeData-CreatingHivetablesforvariousdatasources using their storage handlers, users can create hive external table from c* table or RDBMS table (JDBC) so Niranda, maybe you can take a look at this API: https://issues.apache.org/jira/browse/SPARK-2179 and there is some doc in pull request pool: https://github.com/apache/spark/pull/1774 there is a similar implementation to your JDBC "storage handlers" in spark SQL, it could also be a sample of the Public API for DataTypes and Schema: https://github.com/apache/spark/pull/1612 (https://issues.apache.org/jira/browse/SPARK-2710) and, in some other userlist threads, i saw that, some kind of c* mapper is also in development by datastax? -- View this message in context: http://apache-spark-user-list.1001560.n3.nabble.com/Re-Storage-Handlers-in-Spark-SQL-tp12780p12818.html Sent from the Apache Spark User List mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@spark.apache.org For additional commands, e-mail: user-h...@spark.apache.org