> > One solution is to use pg_upgrade. It allows an initdb and recreate of
> > all tables without reload.
> > --
>
> Isn't it a big charge to execute pg_upgrade for a huge database ?
> I have never used pg_upgrade.
> Is pg_upgrade available now ?
> Is pg_upgrade reliable ?
It has been around since 6.3? It allows initdb, recreates the tables,
then moves the data files back into place. There is even a manual page.
>
> My design is as follows.
>
> postgres -P test /* I'm using -P as a new option temporarily */.
>
> > reindex database test; (all system indexes of a db)
> > reindex table pg_class; (all indexes of a system table)
> > reindex index pg_index_indexrelid_index; (a system index)
>
> If we could ignore system indexes,it won't be difficult to implement
> REINDEX command itself..
Not sure how to find all those places.
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