Re: pg_upgrade - link mode and transaction-wraparound data loss

Excerpts from jesper's message of mar may 18 13:22:12 -0400 2010:

> jk@pal:~$ psql data
> psql (9.0beta1, server 8.4.1)
> WARNING: psql version 9.0, server version 8.4.
>          Some psql features might not work.
> Type "help" for help.
> 
> data# SELECT datname, datfrozenxid FROM pg_database;
>   datname  | datfrozenxid
> -----------+--------------
>  template0 |   2073823552
>  postgres  |   2023820521
>  data      |   2023782337
>  jk        |   2023822188
>  template1 |   2073823552
>  workqueue |   2023822188
> (6 rows)

Does the old server have pg_database.datallowconn = true for template0?
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