Re: Adding an extra boolean column to "information_schema.columns" or "pg_attribute"

Please visit the following link:

https://stackoverflow.com/q/48028501/8895614

but thing may go further/deeper than it seems.

Krds

On 12/30/17, Karsten Hilbert <Karsten(dot)Hilbert(at)gmx(dot)net> wrote:
> On Sat, Dec 30, 2017 at 08:17:34PM +0100, GPT wrote:
>
>> I would like to add an extra boolean attribute to table columns,
>> something like NULL. Unfortunately Pg does not support such a feature:
>>
>> ADD ATTRIBUTE <attribute_name> TYPE <type_of_attribute> TO COLUMN
>> <schema.table.column_name>;
> ...
>> I have already been suggested to use VIEW or dynamic SQL but I am
>> looking something different.
>
> Can you explain why ?
>
> One thing that comes to mind is complex user types.
>
> Or columns of type table.
>
> Karsten
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