Code for SET/SHOW TIME ZONE with a fixed-interval timezone was not prepared for HAVE_INT64_TIMESTAMP.  Per report from Guillaume Beaudoin.
Code for SET/SHOW TIME ZONE with a fixed-interval timezone was not
prepared for HAVE_INT64_TIMESTAMP.  Per report from Guillaume Beaudoin.

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