Query folding available datasources and how does it work with HDInsight

Hi everyone,
is there anywhere official list of data sources that support query folding? I searched for quite a long time and the only list I got is in post by Matt Masson from 2013 http://www.mattmasson.com/2013/07/filtering-in-data-explorer/
Especially I'm curious how it works together with HDInsight. Ability to analyze Big Data from Excel sounds cool. But analyzing Big Data client side in Excel doesn't sound that cool at all. I'm afraid I already know the answer, that query folding isn't supported
against HDInsight in terms of analyzing data (not HDFS paths).
Thanks for any helpful comments
Jiri
Jiri Neoral -------------------------------------------------------------- Please mark as helpful if it helped to point you in direction. Mark as answer if it answered your question.

Correct. We don't currently have any native support for executing queries in Hive or with Map-Reduce when accessing data in HDFS or HDInsight-compatible blob storage. If the data and queries are Hive-compatible, you could try using a Hive ODBC driver for
this purpose.

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