| From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
|---|---|
| To: | Joost Kraaijeveld <J(dot)Kraaijeveld(at)Askesis(dot)nl> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: In-place conversion of type bool |
| Date: | 2008-08-14 13:40:30 |
| Message-ID: | 20080814134030.GA4232@alvh.no-ip.org |
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| Lists: | pgsql-general |
Joost Kraaijeveld wrote:
> > ALTER TABLE ... ALTER COLUMN TYPE might help you. Use the USING clause
> > if you need a non-default data conversion -- in this case it might look
> > like USING (col = '1') or some such.
>
> ALTER TABLE odbcdest ALTER COLUMN odbc_bool TYPE bool
>
> gives:
>
> ERROR: column "odbc_bool" cannot be cast to type "bool"
You need a USING clause, as Tom suggests above (even giving an example).
--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.
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