
primary key support cleanups from D'Arcy...

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