That is right. Sub-queries are executed sequentially as of Kylin 2.0. On Fri, Jul 28, 2017 at 2:16 AM, Alexander Sterligov <[email protected]> wrote:
> Hello! > > My fact table has 12 boolean fields and user id. I need to count distinct > users with has certain combinations of these flags. So I do several > sub-queries and union all of them. > This query may take up to one minute and it doesn't depend on number of > regionservers in hbase. > > It looks like sub-queries are executed sequentially. Or maybe segment > pruning by dictionary is done sequentially. > > Am I right? > > Best regards, > Alexander >
