Informix fixes.
Informix fixes.

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