A delay is certainly possible.  I don’t want to hold things up too long on the 
other end of production, of course.  
If I roll the change back, temporarily, in puppet, then we could still provide 
fixes and things without the table changes during the interim.  I’d rather not 
leave it staged and unapplied for too terribly long.
As I said, the _compat tables are there to provide a quick fix where possible, 
and it should be noted that those fields are currently blank (or filled in by 
the compat tables). This will break things that explicitly reference the 
fields, though.

I can give it another week, I think, if that helps.

Brooke Storm
Operations Engineer
Wikimedia Cloud Services
bst...@wikimedia.org <mailto:bst...@wikimedia.org>
IRC: bstorm_

> On Mar 7, 2019, at 10:10 AM, John <phoenixoverr...@gmail.com> wrote:
> 
> Any chance we can delay the rollout of this? I suspect that this will break a 
> number of tools, mine included. Giving just a week is kinda short notice.
> 
> On Thu, Mar 7, 2019 at 11:59 AM Jaime Crespo <jcre...@wikimedia.org 
> <mailto:jcre...@wikimedia.org>> wrote:
> On Thu, Mar 7, 2019 at 5:14 PM Brooke Storm <bst...@wikimedia.org 
> <mailto:bst...@wikimedia.org>> wrote:
> 
> > but it is recommended that comment references use a join to the new comment 
> > table on a “comment_id” field instead where possible.
> 
> I would like to insist in this part- the change wasn't made to annoy
> users- we tried to provide compatibility where possible, but some
> tools users observed reduced performance if something more complex
> than a point select was being used, so we encourage to use the
> non-compat ones for performance reasons when possible. Sorry for the
> inconveniences- unlike an API, while we are happy to provide access to
> the internal database format, we cannot always guarantee to be stable
> over the years.
> 
> -- 
> Jaime Crespo
> <http://wikimedia.org <http://wikimedia.org/>>
> 
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