small error message improvement from Dmitry Samersoff
small error message improvement from Dmitry Samersoff

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