transformColumnDefinition failed to complain about 	create table foo (bar int default null default 3); due to not thinking about the special-case handling of DEFAULT NULL. Problem noticed while investigating bug #3396.
transformColumnDefinition failed to complain about
	create table foo (bar int default null default 3);
due to not thinking about the special-case handling of DEFAULT NULL.
Problem noticed while investigating bug #3396.

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