Re: Well, we seem to be proof against cache-inval problems now - Mailing list pgsql-hackers

Alex Pilosov <alex@pilosoft.com> writes:
> Tom, I'm not sure how (or whether) this relates to "alter table" happening
> when someone else is doing a SELECT from table.

The ALTER will wait for the SELECT to finish.  That's not related to the
internal cache problem that I was worried about.
        regards, tom lane