Fix _lo_commit: core if LO memmory context was not created (LO were not used?)
Fix _lo_commit: core if LO memmory context was not created (LO were not used?)

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