Tweak prettyprinting rules for saner indenting of UNION, INTERSECT, EXCEPT constructs.
Tweak prettyprinting rules for saner indenting of UNION, INTERSECT,
EXCEPT constructs.

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