Github user Leemoonsoo commented on the issue:
https://github.com/apache/zeppelin/pull/1952
@1ambda Thanks for taking a look.
Regarding query directly over the TableData in the ResourcePool, it depends
on each interpreter.
For example, SparkInterpreter can implement [DataSource
API](https://github.com/apache/spark/blob/master/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/DataSource.scala)
to load data from ResourcePool. Then SparkInterpreter will able to query data
created from other interpreter, when the data is abstracted by TableData and
exist in the ResourcePool.
The same approaches can be applied to all other interpreter. So any
interpreter that supports plugin data source layer, might implement
ResourcePool as a data source and make query.
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