Robert Haas <[email protected]> writes: > On Wed, May 28, 2014 at 8:22 AM, ash <[email protected]> wrote: >>> None of that involves answering hypothetical questions; but what you >>> want to do does, and that I think is the problem in a nutshell. >> >> In a nutshell I'd like PostgreSQL to just re-parse the *current* view >> definition. Should that throw an error, user intervention will be >> required anyway, but most of the time it should just work. > > What exactly do you mean by "re-parse the current view definition"?
I mean do what the user will have to do in this situation anyway: BEGIN; DROP VIEW ...; ALTER TABLE ...; CREATE VIEW ...; COMMIT; Should this fail, the user will have to work around it, but most of the time it could just work. > The only form of the view definition we actually have is already > parsed into an internal form (see pg_rewrite) which, for the reasons > I've attempted to explain, is not easy to adapt to new column types. > I suppose we could deparse that definition and then reparse the > results, but that could lead to some very surprising consequences > (some of which are security-relevant). Like? -- Alex -- Sent via pgsql-hackers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
