On Sat, 30 Dec 2017 20:33:28 +0100 GPT <gptmailinglists@xxxxxxxxx> wrote: > Please visit the following link: > > https://stackoverflow.com/q/48028501/8895614 > > but thing may go further/deeper than it seems. Adding columns to a built-in system table is liable to cause all sorts of problems in the future: when you upgrade, migrate to another server, need to create dev environments, etc. The view technique described in the stackunderwhelm article seems like a good solution to me. Maybe if you could explain why you are against it? > Krds > > On 12/30/17, Karsten Hilbert <Karsten.Hilbert@xxxxxxx> 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 > > -- > > GPG key ID E4071346 @ eu.pool.sks-keyservers.net > > E167 67FD A291 2BEA 73BD 4537 78B9 A9F9 E407 1346 > > > > > -- Bill Moran
