Recommend ALTER TABLE ... TYPE as the best way to reclaim space occupied by deleted columns.  The old method involving UPDATE and VACUUM FULL will be considerably less efficient.
Recommend ALTER TABLE ... TYPE as the best way to reclaim space occupied by deleted columns.  The old method involving UPDATE and VACUUM FULL will be considerably less efficient.

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