INDEXSCAN_PATCH changes: should work for (Param OP VAR) too (but I didn't test FUNC OP PARAM and PARAM OP FUNC - no time)
INDEXSCAN_PATCH changes: should work for (Param OP VAR) too
(but I didn't test FUNC OP PARAM and PARAM OP FUNC - no time)

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