Give the full syntax rules for subscripting and field selection in the proper place, namely the syntax discussion of value expressions.
Give the full syntax rules for subscripting and field selection in the
proper place, namely the syntax discussion of value expressions.

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