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Re: Group by pushdown for JDBC or FederatedX


This page makes it seem like some types of group by push downs are

On Fri, Jul 3, 2020 at 7:11 PM Dan Hill <quietgolfer@xxxxxxxxx> wrote:

> Hi!
> I'm evaluating if I can use Maria's JDBC connector to join tables from
> Apache Pinot (they have a prototype jdbc connector).
> When external tables are used (like JDBC or FederatedX), are group bys
> pushed down or do these connectors return the raw rows to Maria?  I see
> comments about lack of filter pushdowns for FederatedX.  I wouldn't the raw
> level data coming back from Pinot (there are too many rows to be
> performant).
> Thanks!
> - Dan