Fix minor bug.
Fix minor bug.

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