Couldn¹t you write a custom aggregate function in Hive? (I don¹t have one). Thanks, Venky
On 6/29/15, 6:41 PM, "Ted Dunning" <ted.dunn...@gmail.com> wrote: >Like array_agg in postgres: > >http://www.craigkerstiens.com/2013/04/17/array-agg/ > > > >On Mon, Jun 29, 2015 at 2:23 PM, Jim Scott <jsc...@maprtech.com> wrote: > >> Given a data set: >> 'ndb_no','description' >> '02001','SPICE OR HERB (US CFR)' >> '02001','ALLSPICE' >> '02001','FINELY GROUND' >> '02001','NOT HEAT-TREATED' >> '02001','COOKING METHOD NOT APPLICABLE' >> '02001','WATER REMOVED' >> '02001','NATURALLY DRIED' >> '02001','SUN DRIED' >> >> I'm seeking the capability to be able execute a query like: >> SELECT primary_key, CONCAT(description, ', ') from mytable group by >> primary_key >> (regardless of what the function name is, concat, array_aggregate, >>etc..) >> >> to yield results like: >> '02001','SPICE OR HERB (US CFR), ALLSPICE, FINELY GROUND, NOT >>HEAT-TREATED, >> COOKING METHOD NOT APPLICABLE, WATER REMOVED, NATURALLY DRIED, SUN >>DRIED' >> >> Does any functionality like this exist? If not, do we have any JIRA >>tickets >> that are asking for this? >> >> Thanks, >> Jim >>
