Peter Geoghegan wrote:
> On Tue, Jul 8, 2014 at 11:25 PM, Michael Paquier
> <> wrote:

> >> > 5) Do we want hints on system columns as well?
> >> I think it's obvious that the answer must be no. That's going to
> >> frequently result in suggestions of columns that users will complain
> >> aren't even there. If you know about the system columns, you can just
> >> get it right. They're supposed to be hidden for most purposes.
> >
> > This may sound ridiculous, but I have already found myself mistyping ctid by
> > tid and cid while working on patches and modules that played with page
> > format, and needing a couple of minutes to understand what was going on (bad
> > morning).
> I think that it's clearly not worth it, even if it is true that a
> minority sometimes make this mistake. Most users don't know that there
> are system columns. It's not even close to being worth it to bring
> that into this.

I agree with Peter.  This is targeted at regular users.

Álvaro Herrera      
PostgreSQL Development, 24x7 Support, Training & Services

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