Fix discrepency in "@" operator for point and path.
Fix discrepency in "@" operator for point and path.

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