Re: Variable substitution in psql backtick expansion

2017-09-04 19:35 GMT+02:00 Tom Lane <tgl@sss.pgh.pa.us>:

> "Daniel Verite" <daniel@manitou-mail.org> writes:
> > The two-space left margin on the entire block does not add that
> > much to readability, IMV, so maybe we could reclaim these
> > two characters.
>
> Well, it's a sub-list of the entire output of helpVariables(), so
> I think some indentation is a good idea.
>
> > That would look like the following, for example, with a 3-space margin
> > for the description:
>
> > AUTOCOMMIT
> >    If set, successful SQL commands are automatically committed
>
> But we could do something close to that, say two-space indent for the
> variable names and four-space for the descriptions.
>
> > To me that looks like a good trade-off: it eases the size constraints
> > for both the description and the name of the variable, at the cost
> > of consuming one more line per variable, but that's why the pager
> > is for.
>
> Yeah, we're already past the point where it's likely that
> helpVariables()'s output would fit on one screen for anybody, so
> maybe this is the best way.
>

the "less" pager supports horizontal scrolling very well.

regards

Pavel

>
>                         regards, tom lane
>