| From: | Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com> |
|---|---|
| To: | Atul Goel <Atul(dot)Goel(at)iggroup(dot)com> |
| Cc: | "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Postgres 8.0 upgrade to 9.0 |
| Date: | 2011-08-02 01:43:55 |
| Message-ID: | CAOR=d=35=zgFvhzXQjXC0-7b3QmitiQZXptZUWmz-=0ZU22wLA@mail.gmail.com |
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| Thread: | |
| Lists: | pgsql-general |
On Mon, Aug 1, 2011 at 8:12 AM, Atul Goel <Atul(dot)Goel(at)iggroup(dot)com> wrote:
> Hi Forum,
>
> We are planning to upgrade a postgres 8.0 database to postgres 9.0 (Actually
> already done in Dev). The application is J2EE application with Hibernate. My
> question are
>
> 1) Is there a list of things that needs to be taken care while
> upgrading(known issues).
The single greatest issue is that implicit casts have been removed.
This means you can't do things like use substring on a date type etc
directly or match an int to a varchar in a join without an explicit
cast of one to the other.
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