Use page-level ExtendLock lock instead of table-level - should be faster.
Use page-level ExtendLock lock instead of table-level -
should be faster.

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