Thanks, that's what I needed to know I was doing it right. On 26 January 2017 at 21:19, Owen O'Malley <[email protected]> wrote:
> > > On Thu, Jan 26, 2017 at 12:32 PM, Stephen Samuel (Sam) <[email protected]> > wrote: > >> Hello Orcers, >> >> Is it correct to say that if a predicate is used, it will only apply to >> either all the rows in a stripe (or whatever) or none of them. Ie, if a >> chunk contains a matching row, you'll get back the entire chunk, and so we >> must always filter afterwards just in case? >> > > Actually, there are three levels of predicate push down: > * File level > * Stripe level > * Row group (10k row) level > > For any set of rows that are skipped, there are 0 rows that satisfied the > SearchArg. No one has implemented row level filtering that would remove > individual rows out of the result set. So yes, your code will need to apply > the filter on the resulting rows. > > .. Owen > > >> I ask because this is the behaviour I am seeing in the Java client when >> using a search argument, but I cannot find any documentation on what the >> intended behaviour is meant to be. >> >> Cheers >> > >
