On 2009-03-23, Zdravko Balorda wrote:
>
> Hi,
> I need a casting operator from boolean to integer,
you can use any expression
> tu put in ALTER TABLE statment after USING.
>
> Any ideas? Thanks.
CASE WHEN columname THEN 1 WHEN NOT columname THEN 0 ELSE NULL END
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Sent via pgsql-sql m
CASE WHEN column='t' THEN 1 ELSE 0 END
Or just CASE WHEN column THEN 1 ELSE 0 END.
In the mean time I've got an elegant solution:
alter ... ... column TYPE smallint USING column::boolean::int::smallint;
It works, you wouldn't beleive it. ;)
Zdravko
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This:
SELECT true::integer, false::integer
also works on 8.1
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regards
mk
2009/3/23 Achilleas Mantzios
> Στις Monday 23 March 2009 09:59:12 ο/η Zdravko Balorda έγραψε:
> >
> > Hi,
> > I need a casting operator from boolean to integer,
> > tu put in ALTER TABLE statment after USING.
> >
>
> S
On Mon, Mar 23, 2009 at 10:18:31AM +0200, Achilleas Mantzios wrote:
> Στις Monday 23 March 2009 09:59:12 ο/η Zdravko Balorda έγραψε:
> >
> > Hi,
> > I need a casting operator from boolean to integer,
> > tu put in ALTER TABLE statment after USING.
> >
>
> Sorry in the above email i meant smth li
Στις Monday 23 March 2009 09:59:12 ο/η Zdravko Balorda έγραψε:
>
> Hi,
> I need a casting operator from boolean to integer,
> tu put in ALTER TABLE statment after USING.
>
Sorry in the above email i meant smth like
CASE WHEN column='t' THEN 1 ELSE 0 END
however
SELECT 't'::boolean::int;
int4
-
Στις Monday 23 March 2009 09:59:12 ο/η Zdravko Balorda έγραψε:
>
> Hi,
> I need a casting operator from boolean to integer,
> tu put in ALTER TABLE statment after USING.
>
How about
CASE WHEN 't' THEN 1 ELSE 0 END
> Any ideas? Thanks.
>
> Zdravko
>
>
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Achilleas Mantzios
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Hi,
I need a casting operator from boolean to integer,
tu put in ALTER TABLE statment after USING.
Any ideas? Thanks.
Zdravko
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