Re: Let's drop two obsolete features which are bear-traps for novices

On 11/1/14, 1:45 PM, Andrew Dunstan wrote:
> On 11/01/2014 02:34 PM, Andres Freund wrote:
>>> Yeah, if we were trying to duplicate the behavior of indisvalid, there'd
>>> need to be a way to detect the invalid index at plan time and not use it.
>>> But I'm not sure that that's actually an improvement from the user's
>>> standpoint: what they'd see is queries suddenly, and silently, performing
>>> a lot worse than they expect.  An explicit complaint about the necessary
>>> REINDEX seems more user-friendly from where I sit.
>> A REINDEX is imo unlikely to be acceptable. It takes long (why would you
>> bother on a small table?) and locks the relation/indexes.
>
>
> It's a bit of a pity we don't have REINDEX CONCURRENTLY.

Reviews welcome: https://commitfest.postgresql.org/action/patch_view?id=1563
-- 
Jim Nasby, Data Architect, Blue Treble Consulting
Data in Trouble? Get it in Treble! http://BlueTreble.com