I don't know why the JavaSchemaRDD.baseSchemaRDD is private[sql]. And I found
that DataTypeConversions is protected[sql].
Finally I find this solution:
<pre>
<code>
jrdd.registerTempTable("transform_tmp")
jrdd.sqlContext.sql("select * from transform_tmp")
</code>
</pre>
~~~~
Could Any One tell me that: Is it a good idea for me to *use catalyst as
DSL's execution engine?*
I am trying to build a DSL, And I want to confirm this.
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