"Scott Marlowe" <smarlowe@xxxxxxxxxxxxxxxxx> wrote
>
> Under no circumstances should you do this with a database that has any
> data in it that you value. pg_dump / pg_restore / psql are the
> preferred way of doing this.
>
Oh yeah, sorry for the miss leading information. My method is dangerous and
can not cover all the cases (say you have an external stored column, etc).
Sorry about it,
Qingqing
---------------------------(end of broadcast)---------------------------
TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
