Perhaps you could implement something external to Drill to watch the file
directory (inotify?) and trigger a program that makes calls to Drill
through JDBC/ODBC.

On Tue, Sep 22, 2015 at 2:18 PM, Edmon Begoli <[email protected]> wrote:

> Has anyone tried, and is there a possible a facility to trigger Drill
> queries to recalculate some aggregates statistics if the underlying data
> has changed.
>
> My scenario is pretty simple - I use Drill to query directories of files to
> mine some statistics out.
>
> Files are arriving at some reasonable frequency, once an hour or even once
> a da
>
> I want to implement an event handler that observes these file arriving
> "events" and that triggers Drill queries.
>
> Has anyone done anything like this already, and do you have any suggested
> approaches, specially if they are Drill-specific.
>
> Thank you,
> Edmon
>



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Paul Ilechko
Senior Systems Engineer
MapR Technologies
908 331 2207

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