Re: csv format for psql

2018-04-07 13:55 GMT+02:00 Daniel Verite <daniel@manitou-mail.org>:

>         Pavel Stehule wrote:
>
> > so we can to have
> >
> > \pset format xxx
> >
> > and set of local possibly changed defaults
> >
> > \pset csv_fieldsep ,
> > \pset csv_tuplesonly on
> > \pset unaligned_fieldsep |
> > \pset unaligned_tuplesonly off
>
> tuples_only (\t) is a single setting that is currently used by all
> formats. It makes sense as it is and I don't quite see what we
> would gain by "exploding" it.
>

It was a example, how the one default can be not good enough.

Usually we expect in align, unalign headers by default. But somebody can
expect tuples only by default for CSV format.


> There's also "footer" that goes in tandem with "tuples_only",
> to switch off the footer while keeping the header and title.
> Whatever change is considered to "tuples_only", "footer" must
> be considered with it.
> For the csv format, tuples_only=off is interpreted as "output the header"
> and tuples_only=on as "don't output the header". This is consistent
> with what other formats do.
>

My note was not about the implementations, it was about different
expectations of some users - looks on Isaac's mail, pls.



>
>
> Best regards,
> --
> Daniel Vérité
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> Twitter: @DanielVerite
>