This patch refactors execTuples.c in two ways.
This patch refactors execTuples.c in two ways.

Neil Conway

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