Fix for locking problems an dpriority.
Fix for locking problems an dpriority.

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