2018-03-23 18:55 GMT+01:00 Fabien COELHO <fabien.coe...@mines-paristech.fr>:
> > Hello Daniel, > > Do you know when you'll have an updated patch that addresses the minor >>> issues brought up in review and the concern above? >>> >> >> Here's an update addressing the issues discussed: >> >> - fieldsep and recordsep are used, no more fieldsep_csv >> - the command line option is --csv without short option and is equivalent >> to -P format=csv -P fieldsep=',' >> - pset output formats are reordered alphabetically on display >> - a couple more cases in the regression tests >> > > Patch applies cleanly, compiles, doc gen ok, "make check" ok. > > The patch adds a simple way to generate csv output from "psql" queries, > much simpler than playing around with COPY or \copy. It allows to generate > a clean CSV dump from something as short as: > > sh> psql --csv -c 'TABLE foo' > foo.csv > > Documentation is clear. > > Test cover a significant number of cases (fieldsep, expanded, tuples-only). > Although recordsep changes are not actually tested, it worked interactively > and I think that tests are sufficient as is. > > There are somehow remaining point about which a committer/other people > input > would be nice: > > (1) There are some mild disagreement whether the fieldsep should be format > specific shared with other format. I do not think that a specific > fieldsep > is worth it, but this is a marginal preference, and other people > opinion > differ. What is best is not obvious. > > Pavel also suggested to have a special handling based on whether > the fieldsep is explicitely set or not. I'm not too keen on that > because > it departs significantly from the way psql formatting is currently > handled, and what is happening becomes unclear to the user. > > (2) For interactive use, two commands are required: \pset format csv + > \pset fieldsep ',' (or ';' or '\t' or whatever...). Maybe some \csv > command similar to \H would be appropriate, or not, to set both values > more efficiently. Could be something for another patch. > > Not sure what is the status of the patch if we do not have a clear > consensus. > I am sorry, but I don't think so this interface is good enough. Using | as default CSV separator is just wrong. It and only it is a problem. Any other is perfect. Regards Pavel > > -- > Fabien. > >