Trivial patch to double vacuum speed on tables with no indexes (prevent second scan of table).
Trivial patch to double vacuum speed on tables with no indexes (prevent
second scan of table).

Gregory Stark

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