Re: ALTER TABLE ... NOREWRITE option

Josh Berkus <josh@agliodbs.com> writes:
>>> However, for a very large user group -- users with ORMs which do their
>>> own DDL migrations -- we could also use a way to log or WARN for table
>>> rewrites.  Since the ORMs are not gonna do an EXPLAIN.

>> An ORM is also quite unlikely to pay attention to a warning, much less a
>> postmaster log entry ... so your argument seems unfounded from here.

> But the DevOps staff *is*.

Sure, and the DevOps staff would be using the EXPLAIN feature (if we had
it).  After which they could do little anyway except complain to the ORM
authors, who might or might not give a damn.  I don't see that there's
enough value-added from what you suggest to justify the development
time.
        regards, tom lane