Group-manipulating code neglected to fill in array element type, which is now required.
Group-manipulating code neglected to fill in array element type,
which is now required.

CraigHarris/gpdb,lpetrov-pivotal/gpdb,lisakowen/gpdb,50wu/gpdb,edespino/gpdb,royc1/gpdb,techdragon/Postgres-XL,zaksoup/gpdb,atris/gpdb,lintzc/gpdb,janebeckman/gpdb,yuanzhao/gpdb,janebeckman/gpdb,edespino/gpdb,zeroae/postgres-xl,rvs/gpdb,oberstet/postgres-xl,lpetrov-pivotal/gpdb,zaksoup/gpdb,ovr/postgres-xl,yazun/postgres-xl,kaknikhil/gpdb,edespino/gpdb,ahachete/gpdb,royc1/gpdb,Quikling/gpdb,ahachete/gpdb,50wu/gpdb,lisakowen/gpdb,pavanvd/postgres-xl,rvs/gpdb,tpostgres-projects/tPostgres,CraigHarris/gpdb,chrishajas/gpdb,0x0FFF/gpdb,ashwinstar/gpdb,zeroae/postgres-xl,ashwinstar/gpdb,oberstet/postgres-xl,adam8157/gpdb,foyzur/gpdb,CraigHarris/gpdb,adam8157/gpdb,randomtask1155/gpdb,xuegang/gpdb,janebeckman/gpdb,foyzur/gpdb,royc1/gpdb,yuanzhao/gpdb,janebeckman/gpdb,xinzweb/gpdb,postmind-net/postgres-xl,techdragon/Postgres-XL,cjcjameson/gpdb,Chibin/gpdb,tangp3/gpdb,rubikloud/gpdb,Chibin/gpdb,50wu/gpdb,greenplum-db/gpdb,foyzur/gpdb,lintzc/gpdb,tangp3/gpdb,cjcjameson/gpdb,atris/gpdb,Chibin/gpdb,zaksoup/gpdb,tangp3/gpdb,techdragon/Postgres-XL,yazun/postgres-xl,atris/gpdb,greenplum-db/gpdb,kaknikhil/gpdb,tpostgres-projects/tPostgres,Chibin/gpdb,edespino/gpdb,0x0FFF/gpdb,tangp3/gpdb,Chibin/gpdb,janebeckman/gpdb,kmjungersen/PostgresXL,yuanzhao/gpdb,kmjungersen/PostgresXL,lintzc/gpdb,chrishajas/gpdb,Chibin/gpdb,zaksoup/gpdb,CraigHarris/gpdb,janebeckman/gpdb,jmcatamney/gpdb,janebeckman/gpdb,tpostgres-projects/tPostgres,0x0FFF/gpdb,yuanzhao/gpdb,tangp3/gpdb,rvs/gpdb,arcivanov/postgres-xl,xuegang/gpdb,yuanzhao/gpdb,Quikling/gpdb,zaksoup/gpdb,cjcjameson/gpdb,lintzc/gpdb,chrishajas/gpdb,xuegang/gpdb,ahachete/gpdb,jmcatamney/gpdb,postmind-net/postgres-xl,randomtask1155/gpdb,yazun/postgres-xl,zeroae/postgres-xl,xuegang/gpdb,greenplum-db/gpdb,lintzc/gpdb,foyzur/gpdb,jmcatamney/gpdb,edespino/gpdb,ovr/postgres-xl,foyzur/gpdb,yuanzhao/gpdb,foyzur/gpdb,kaknikhil/gpdb,randomtask1155/gpdb,0x0FFF/gpdb,chrishajas/gpdb,lisakowen/gpdb,0x0FFF/gpdb,zaksoup/gpdb,ashwinstar/gpdb,xinzweb/gpdb,ovr/postgres-xl,edespino/gpdb,CraigHarris/gpdb,0x0FFF/gpdb,snaga/postgres-xl,chrishajas/gpdb,Quikling/gpdb,adam8157/gpdb,tpostgres-projects/tPostgres,xinzweb/gpdb,zeroae/postgres-xl,yuanzhao/gpdb,postmind-net/postgres-xl,yuanzhao/gpdb,techdragon/Postgres-XL,xinzweb/gpdb,snaga/postgres-xl,randomtask1155/gpdb,ahachete/gpdb,arcivanov/postgres-xl,edespino/gpdb,atris/gpdb,lpetrov-pivotal/gpdb,kaknikhil/gpdb,adam8157/gpdb,randomtask1155/gpdb,greenplum-db/gpdb,randomtask1155/gpdb,Postgres-XL/Postgres-XL,yazun/postgres-xl,edespino/gpdb,arcivanov/postgres-xl,lisakowen/gpdb,CraigHarris/gpdb,rubikloud/gpdb,foyzur/gpdb,kaknikhil/gpdb,rubikloud/gpdb,xinzweb/gpdb,adam8157/gpdb,Quikling/gpdb,tangp3/gpdb,oberstet/postgres-xl,ashwinstar/gpdb,Quikling/gpdb,kmjungersen/PostgresXL,kaknikhil/gpdb,lintzc/gpdb,ashwinstar/gpdb,rubikloud/gpdb,atris/gpdb,Quikling/gpdb,pavanvd/postgres-xl,zaksoup/gpdb,pavanvd/postgres-xl,kaknikhil/gpdb,xuegang/gpdb,50wu/gpdb,rvs/gpdb,kaknikhil/gpdb,snaga/postgres-xl,cjcjameson/gpdb,arcivanov/postgres-xl,ahachete/gpdb,rubikloud/gpdb,lisakowen/gpdb,ashwinstar/gpdb,jmcatamney/gpdb,postmind-net/postgres-xl,Chibin/gpdb,jmcatamney/gpdb,zeroae/postgres-xl,foyzur/gpdb,rubikloud/gpdb,tangp3/gpdb,ahachete/gpdb,yuanzhao/gpdb,Postgres-XL/Postgres-XL,jmcatamney/gpdb,kaknikhil/gpdb,rvs/gpdb,greenplum-db/gpdb,janebeckman/gpdb,CraigHarris/gpdb,ahachete/gpdb,atris/gpdb,arcivanov/postgres-xl,edespino/gpdb,ashwinstar/gpdb,Postgres-XL/Postgres-XL,ovr/postgres-xl,rubikloud/gpdb,ashwinstar/gpdb,lpetrov-pivotal/gpdb,postmind-net/postgres-xl,cjcjameson/gpdb,Chibin/gpdb,xuegang/gpdb,edespino/gpdb,adam8157/gpdb,lpetrov-pivotal/gpdb,atris/gpdb,xinzweb/gpdb,Chibin/gpdb,yuanzhao/gpdb,snaga/postgres-xl,lpetrov-pivotal/gpdb,Quikling/gpdb,cjcjameson/gpdb,arcivanov/postgres-xl,zaksoup/gpdb,xuegang/gpdb,royc1/gpdb,janebeckman/gpdb,kaknikhil/gpdb,cjcjameson/gpdb,Quikling/gpdb,kmjungersen/PostgresXL,cjcjameson/gpdb,Postgres-XL/Postgres-XL,randomtask1155/gpdb,royc1/gpdb,chrishajas/gpdb,ovr/postgres-xl,ahachete/gpdb,rubikloud/gpdb,rvs/gpdb,chrishajas/gpdb,tangp3/gpdb,50wu/gpdb,0x0FFF/gpdb,xuegang/gpdb,rvs/gpdb,lisakowen/gpdb,snaga/postgres-xl,Chibin/gpdb,yazun/postgres-xl,adam8157/gpdb,pavanvd/postgres-xl,cjcjameson/gpdb,greenplum-db/gpdb,lisakowen/gpdb,jmcatamney/gpdb,janebeckman/gpdb,greenplum-db/gpdb,royc1/gpdb,jmcatamney/gpdb,lintzc/gpdb,greenplum-db/gpdb,lintzc/gpdb,Postgres-XL/Postgres-XL,oberstet/postgres-xl,rvs/gpdb,xinzweb/gpdb,50wu/gpdb,tpostgres-projects/tPostgres,50wu/gpdb,kmjungersen/PostgresXL,lintzc/gpdb,royc1/gpdb,chrishajas/gpdb,xinzweb/gpdb,royc1/gpdb,lpetrov-pivotal/gpdb,xuegang/gpdb,atris/gpdb,CraigHarris/gpdb,lpetrov-pivotal/gpdb,techdragon/Postgres-XL,50wu/gpdb,randomtask1155/gpdb,adam8157/gpdb,Quikling/gpdb,lisakowen/gpdb,oberstet/postgres-xl,rvs/gpdb,cjcjameson/gpdb,0x0FFF/gpdb,pavanvd/postgres-xl,CraigHarris/gpdb,Quikling/gpdb,rvs/gpdb