On Tue, Jun 28, 2005 at 01:43:27AM +0200, Bernd Helmle wrote:
> When altering a sequence created by a SERIAL column type (i do this by
> examining pg_depend to avoid moving any other sequences that are
> 'foreign'), i need to recreate the default expression for the SERIAL column
> (stored in pg_attrdef.adbin). Is there an API to do that, or do i have to
> recreate the executable expression tree from scratch? Or am i missing
> something completely...
I think this is done by AddRelationRawConstraints. You'd have to get
the parsetree of the default expression. I think you could get that by
applying raw_parser() to pg_attrdef.adsrc.
--
Alvaro Herrera (<alvherre[a]surnet.cl>)
"The Postgresql hackers have what I call a "NASA space shot" mentality.Quite refreshing in a world of "weekend drag
racer"developers."
(Scott Marlowe)