Adjust pg_upgrade query so toast tables related to system catalog schema entries are not dumped.   This fixes an error caused by droping/recreating the information_schema, but other failures were also possible.
Adjust pg_upgrade query so toast tables related to system catalog schema
entries are not dumped.   This fixes an error caused by
droping/recreating the information_schema, but other failures were also
possible.

Backpatch to 9.2.

kmjungersen/PostgresXL,arcivanov/postgres-xl,arcivanov/postgres-xl,kmjungersen/PostgresXL,postmind-net/postgres-xl,arcivanov/postgres-xl,kmjungersen/PostgresXL,kmjungersen/PostgresXL,snaga/postgres-xl,postmind-net/postgres-xl,arcivanov/postgres-xl,snaga/postgres-xl,postmind-net/postgres-xl,snaga/postgres-xl,postmind-net/postgres-xl,kmjungersen/PostgresXL,snaga/postgres-xl,arcivanov/postgres-xl,postmind-net/postgres-xl,arcivanov/postgres-xl,snaga/postgres-xl