UNION select in a CREATE RULE caused a weird error, because transformRuleStmt got confused by 'dummy' targetlist built for the UNION's toplevel query. Fix by making dummy targetlist a little less cheesy.
UNION select in a CREATE RULE caused a weird error, because transformRuleStmt
got confused by 'dummy' targetlist built for the UNION's toplevel query.
Fix by making dummy targetlist a little less cheesy.

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