Change error message for rejected input.
Change error message for rejected input.

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