Hi Rahul,
Drill has *DrillPushLimitToScanRule* [1] rule, which should do this
optimization, whether the GroupScan supports Limit Push Down.
Also you can verify in debug mode whether this rule is fired.
Possibly for some external DB (like MapR-DB) Drill should have the separate
class for this
Attached is a PDF version of the slides. Unfortunately, I don't have a
recording.
thanks,
Aman
On Thu, Oct 11, 2018 at 9:39 AM Pritesh Maker wrote:
> Divya - anyone is welcome to join the hangout! Aman will be sharing the
> slides shortly. We use Google Hangouts which doesn't have the
Hi,
Drill does not push the LIMIT queries to external databases and I assume it
could be more related to Calcite. This leads to out of memory situations
while querying large table to view few records. Is there something that
could be improved here? One solutions would be to push filters down to
