Subject RE: [firebird-support] How to determine whether a column is computed?
Author Nick
Unless the database designer had deliberately 'hidden' such structure by
setting RDB$COMPUTED_SOURCE to null

--
Nick
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> -----Original Message-----
> From: firebird-support@yahoogroups.com
> [mailto:firebird-support@yahoogroups.com] On Behalf Of
> Christian G├╝tter
> Sent: 26 September 2005 10:37
> To: Martijn Tonies
> Subject: Re: [firebird-support] How to determine whether a
> column is computed?
>
>
> Hi Martijn,
>
> I should have guessed that you answer this question ;-)
>
> >> For now, I will use the RDB$COMPUTED_SOURCE field. Please
> tell me if
> >> this an inappropriate hack.
>
> > RDB$COMPUTED_BLR would be a little bit better. :-)
>
> Why would this be better? I thought this column contains the
> binary language representation of the RDB$COMPUTED_SOURCE
> column, so that always both of these columns should be empty
> or containing a value?
>
>
> Thanks,
>
> Christian
>
>
>
>
>
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