Describe group_id + datetime index
Describe group_id + datetime index

Refs GH-1145, GH-1196

zenefits/sentry,gencer/sentry,JamesMura/sentry,Natim/sentry,Kryz/sentry,JackDanger/sentry,korealerts1/sentry,hongliang5623/sentry,songyi199111/sentry,vperron/sentry,jean/sentry,camilonova/sentry,JackDanger/sentry,looker/sentry,zenefits/sentry,gencer/sentry,fotinakis/sentry,kevinlondon/sentry,argonemyth/sentry,drcapulet/sentry,nicholasserra/sentry,beeftornado/sentry,daevaorn/sentry,mvaled/sentry,camilonova/sentry,drcapulet/sentry,ifduyue/sentry,fuziontech/sentry,JamesMura/sentry,ifduyue/sentry,nicholasserra/sentry,daevaorn/sentry,ngonzalvez/sentry,kevinlondon/sentry,looker/sentry,hongliang5623/sentry,Natim/sentry,TedaLIEz/sentry,pauloschilling/sentry,wong2/sentry,mvaled/sentry,felixbuenemann/sentry,TedaLIEz/sentry,fuziontech/sentry,llonchj/sentry,BuildingLink/sentry,pauloschilling/sentry,looker/sentry,JackDanger/sentry,JTCunning/sentry,ifduyue/sentry,jokey2k/sentry,fotinakis/sentry,jokey2k/sentry,korealerts1/sentry,BuildingLink/sentry,imankulov/sentry,beeftornado/sentry,llonchj/sentry,llonchj/sentry,ifduyue/sentry,mvaled/sentry,wujuguang/sentry,mitsuhiko/sentry,vperron/sentry,jean/sentry,zenefits/sentry,wong2/sentry,mvaled/sentry,mvaled/sentry,BayanGroup/sentry,wong2/sentry,BuildingLink/sentry,BayanGroup/sentry,pauloschilling/sentry,ewdurbin/sentry,zenefits/sentry,gg7/sentry,ifduyue/sentry,ewdurbin/sentry,kevinlondon/sentry,ngonzalvez/sentry,1tush/sentry,fotinakis/sentry,ewdurbin/sentry,wujuguang/sentry,JamesMura/sentry,Kryz/sentry,argonemyth/sentry,korealerts1/sentry,BayanGroup/sentry,jean/sentry,daevaorn/sentry,gencer/sentry,JamesMura/sentry,songyi199111/sentry,gencer/sentry,JTCunning/sentry,felixbuenemann/sentry,1tush/sentry,imankulov/sentry,jean/sentry,fuziontech/sentry,ngonzalvez/sentry,hongliang5623/sentry,alexm92/sentry,1tush/sentry,boneyao/sentry,wujuguang/sentry,looker/sentry,mvaled/sentry,vperron/sentry,gg7/sentry,TedaLIEz/sentry,jokey2k/sentry,alexm92/sentry,daevaorn/sentry,mitsuhiko/sentry,fotinakis/sentry,boneyao/sentry,imankulov/sentry,Natim/sentry,gg7/sentry,kevinastone/sentry,JamesMura/sentry,drcapulet/sentry,looker/sentry,BuildingLink/sentry,zenefits/sentry,kevinastone/sentry,beeftornado/sentry,gencer/sentry,boneyao/sentry,nicholasserra/sentry,argonemyth/sentry,felixbuenemann/sentry,JTCunning/sentry,alexm92/sentry,camilonova/sentry,BuildingLink/sentry,Kryz/sentry,kevinastone/sentry,songyi199111/sentry,jean/sentry