Thanks for the quick reply! On Sat, Jul 4, 2020 at 1:02 AM Sergei Golubchik <s...@mariadb.org> wrote:
> Hi, Dan! > > On Jul 03, Dan Hill 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). > > No, at the moment neither FederatedX nor CONNECT engines > support group by pushdown. > > The server supports it, some engines support it (namely, ColumnStore and > Spider), but not all. > > Regards, > Sergei > VP of MariaDB Server Engineering > and secur...@mariadb.org >
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