Thank you, i'll grab the latest build and re-test.
On Thu, Jul 31, 2014 at 2:57 PM, Bob Rumsby <[email protected]> wrote: > Andy, > I think the syntax is right. Here is a similar example that works for me. > > 0: jdbc:drill:zk=local> select t.batters.batter[0] from > dfs.`/Users/brumsby/drill/donuts.json` t; > +------------+ > | EXPR$0 | > +------------+ > | {"id":"1001","type":"Regular"} | > +------------+ > 1 row selected (0.319 seconds) > 0: jdbc:drill:zk=local> select t.batters.batter from > dfs.`/Users/brumsby/drill/donuts.json` t; > +------------+ > | EXPR$0 | > +------------+ > | > > [{"id":"1001","type":"Regular"},{"id":"1002","type":"Chocolate"},{"id":"1003","type":"Blueberry"},{"id":"1004","type":"Devil's > Food"}] | > +------------+ > 1 row selected (0.084 seconds) > > > > On Thu, Jul 31, 2014 at 11:45 AM, Andy Pernsteiner < > [email protected]> wrote: > > > Hello, I'm currently attempting to perform queries against a JSON file > > which has some nested elements, some of which are arrays. Here are 2 > > records worth of the file: > > > > > > > > > {"trans_id":16,"date":"06/08/2012","time":"07:09:25","user_info":{"cust_id":6,"device":"IOS5","state":"tx"},"marketing_info":{"camp_id":17,"keywords":[]},"trans_info":{"prod_id":[65,1233,182,70,90,12,1520,1563,2144],"purch_flag":"false"}} > > > > > > > {"trans_id":17,"date":"07/31/2013","time":"16:22:26","user_info":{"cust_id":9,"device":"IOS5","state":"oh"},"marketing_info":{"camp_id":1,"keywords":["careful","us","around","you","whatever","i","how"]},"trans_info":{"prod_id":[10,2597,2658,2202,999],"purch_flag":"false"}} > > > > > > > > Note that the "prod_id" and "keywords" fields contain arrays. Here's an > > example query without trying to specify the array index: > > > > 0: jdbc:drill:> select t.trans_info.prod_id from > > dfs.`/myfiles/JSON/mobile.json` t limit 3; > > > > +------------+ > > | EXPR$0 | > > +------------+ > > | [1435,673] | > > | [785] | > > | [26] | > > +------------+ > > 3 rows selected (0.507 seconds) > > > > > > So, I can see the array elements just fine, but when I try to access a > > specific one I come up w/ nulls: > > > > > > 0: jdbc:drill:> select t.trans_info.prod_id[0] from > > `dfs`.`/myfiles/JSON/mobile.json` t limit 10; > > +------------+ > > | EXPR$0 | > > +------------+ > > | null | > > | null | > > | null | > > | null | > > | null | > > | null | > > | null | > > | null | > > | null | > > | null | > > +------------+ > > 10 rows selected (0.303 seconds) > > > > > > Am I using the correct notation/subscript syntax here? > > > > Thanks! > > > > > > -- > > Andy Pernsteiner > > Manager, Field Enablement > > ph: 206.228.0737 > > > > www.mapr.com > > > -- Andy Pernsteiner Manager, Field Enablement ph: 206.228.0737 www.mapr.com
