Add translation of timespan to interval.
Add translation of timespan to interval.

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