Fix comment.
Fix comment.

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