Add delete selfjoin item.
Add delete selfjoin item.

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