Repair logic error in LIKE: should not return LIKE_ABORT when reach end of pattern before end of text.  Improve code comments.
Repair logic error in LIKE: should not return LIKE_ABORT
when reach end of pattern before end of text.  Improve code comments.

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