Fix 'Q' format char parsing in the new to_timestamp() code. Used to crash.
Fix 'Q' format char parsing in the new to_timestamp() code. Used to crash.

adam8157/gpdb,zeroae/postgres-xl,50wu/gpdb,kmjungersen/PostgresXL,techdragon/Postgres-XL,yuanzhao/gpdb,adam8157/gpdb,ashwinstar/gpdb,oberstet/postgres-xl,tpostgres-projects/tPostgres,yuanzhao/gpdb,jmcatamney/gpdb,xinzweb/gpdb,50wu/gpdb,kmjungersen/PostgresXL,edespino/gpdb,ashwinstar/gpdb,snaga/postgres-xl,arcivanov/postgres-xl,techdragon/Postgres-XL,arcivanov/postgres-xl,ashwinstar/gpdb,edespino/gpdb,yuanzhao/gpdb,kmjungersen/PostgresXL,yuanzhao/gpdb,techdragon/Postgres-XL,50wu/gpdb,snaga/postgres-xl,kmjungersen/PostgresXL,edespino/gpdb,Postgres-XL/Postgres-XL,ovr/postgres-xl,postmind-net/postgres-xl,lisakowen/gpdb,Chibin/gpdb,jmcatamney/gpdb,zeroae/postgres-xl,ovr/postgres-xl,oberstet/postgres-xl,ashwinstar/gpdb,postmind-net/postgres-xl,tpostgres-projects/tPostgres,yuanzhao/gpdb,adam8157/gpdb,snaga/postgres-xl,Postgres-XL/Postgres-XL,edespino/gpdb,greenplum-db/gpdb,yuanzhao/gpdb,arcivanov/postgres-xl,adam8157/gpdb,Chibin/gpdb,pavanvd/postgres-xl,xinzweb/gpdb,jmcatamney/gpdb,edespino/gpdb,yuanzhao/gpdb,jmcatamney/gpdb,Chibin/gpdb,edespino/gpdb,kmjungersen/PostgresXL,pavanvd/postgres-xl,jmcatamney/gpdb,50wu/gpdb,yazun/postgres-xl,ashwinstar/gpdb,ashwinstar/gpdb,yazun/postgres-xl,yuanzhao/gpdb,pavanvd/postgres-xl,tpostgres-projects/tPostgres,adam8157/gpdb,oberstet/postgres-xl,techdragon/Postgres-XL,arcivanov/postgres-xl,postmind-net/postgres-xl,adam8157/gpdb,zeroae/postgres-xl,xinzweb/gpdb,snaga/postgres-xl,tpostgres-projects/tPostgres,greenplum-db/gpdb,ovr/postgres-xl,oberstet/postgres-xl,arcivanov/postgres-xl,lisakowen/gpdb,lisakowen/gpdb,ashwinstar/gpdb,greenplum-db/gpdb,yuanzhao/gpdb,jmcatamney/gpdb,pavanvd/postgres-xl,zeroae/postgres-xl,ovr/postgres-xl,Chibin/gpdb,xinzweb/gpdb,oberstet/postgres-xl,greenplum-db/gpdb,lisakowen/gpdb,yazun/postgres-xl,pavanvd/postgres-xl,ashwinstar/gpdb,50wu/gpdb,arcivanov/postgres-xl,edespino/gpdb,Chibin/gpdb,tpostgres-projects/tPostgres,zeroae/postgres-xl,adam8157/gpdb,jmcatamney/gpdb,Chibin/gpdb,adam8157/gpdb,lisakowen/gpdb,Chibin/gpdb,lisakowen/gpdb,greenplum-db/gpdb,postmind-net/postgres-xl,50wu/gpdb,lisakowen/gpdb,snaga/postgres-xl,xinzweb/gpdb,edespino/gpdb,edespino/gpdb,Postgres-XL/Postgres-XL,Postgres-XL/Postgres-XL,Chibin/gpdb,ovr/postgres-xl,greenplum-db/gpdb,greenplum-db/gpdb,techdragon/Postgres-XL,50wu/gpdb,jmcatamney/gpdb,xinzweb/gpdb,edespino/gpdb,yazun/postgres-xl,xinzweb/gpdb,greenplum-db/gpdb,Chibin/gpdb,lisakowen/gpdb,yazun/postgres-xl,Postgres-XL/Postgres-XL,Chibin/gpdb,postmind-net/postgres-xl,yuanzhao/gpdb,50wu/gpdb,xinzweb/gpdb