Fix for palloc(0) in new code
Fix for palloc(0) in new code

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