Some tables fail to copy in switch from MySQL to PostgreSQL

[Quince]

The codereviewer table of CodeReviewerPlugin doesn't get copied. While this error has to do with that plugin, I'm posting it here because the command that fails is part of this plugin.

fatt:/tmp/m # ./trac-migrate.py --in-place /srv/trac postgres://tracuser:xxxxxxxxxx@127.0.0.1/trac?schema=trac`
Copying tables:
  attachment table... 37 records.
  auth_cookie table... 4 records.
  cache table... 8 records.
  codereviewer table... Traceback (most recent call last):
  File "./trac-migrate.py", line 55, in <module>
    sys.exit(main(sys.argv[1:]) or 0)
  File "./trac-migrate.py", line 51, in main
    return TracMigrationCommand(env)._do_migrate(dest, dburi)
  File "/tmp/m/tracmigrate/admin.py", line 29, in _do_migrate
    return self._do_migrate_inplace(dburi)
  File "/tmp/m/tracmigrate/admin.py", line 63, in _do_migrate_inplace
    self._copy_tables(src_db, dst_db, src_dburi, dburi, inplace=True)
  File "/tmp/m/tracmigrate/admin.py", line 108, in _copy_tables
    @self._with_transaction(dst_db)
  File "/tmp/m/tracmigrate/admin.py", line 197, in wrapper
    fn(db)
  File "/tmp/m/tracmigrate/admin.py", line 143, in copy
    cursor.executemany(query, rows)
  File "/usr/lib/python2.7/site-packages/trac/db/util.py", line 85, in executemany
    return self.cursor.executemany(sql_escape_percent(sql), args)
psycopg2.DataError: integer out of range