Fix coredump in pg_get_triggerdef, ensure function name is schema- qualified when necessary, simplify argument-printing code.
Fix coredump in pg_get_triggerdef, ensure function name is schema-
qualified when necessary, simplify argument-printing code.

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