Oracle SQL connector for HDFS - where is applied the filter?

I just managed to get the connector SQL from Oracle for HDFS (YES!)
working on a cluster of 2VM Linux and was curious where the filter in the where clause is applied in order to limit the data.
i.e. is it pushed clear down to the hadoop hadoop takes all the data and then then it is filtered or all data is buffered in the database or what?

Thank you

Mark

The filter will apply in Oracle. OSCH does not push down the filter Hadoop to run and code of MapReduce. If the predicate would be treated like any other external table, or I guess any table (non-exadata) would be.

Tags: Database

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