Rename LOread() and LOwrite() to be lower case to allow use  in case-insensitive SQL. Define LOread() and LOwrite() as macros  to avoid having to update calls everywhere.
Rename LOread() and LOwrite() to be lower case to allow use
 in case-insensitive SQL. Define LOread() and LOwrite() as macros
 to avoid having to update calls everywhere.

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