Fix for datetime from Tatsuo Ishii
Fix for datetime from Tatsuo Ishii

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