Re: csv format for psql

Peter Eisentraut <peter.eisentraut@2ndquadrant.com>

From: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
To: Fabien COELHO <coelho@cri.ensmp.fr>, Daniel Verite <daniel@manitou-mail.org>
Cc: pgsql-hackers@postgresql.org
Date: 2018-03-09T02:13:14Z
Lists: pgsql-hackers
On 3/8/18 05:05, Fabien COELHO wrote:
> I'm in favor of having a simple psql way to generate a convenient and 
> compliant CSV output for export/import.

yes

> I also think that a short option brings little value, and "--csv" is good 
> enough for the purpose, so I would agree to remove the "-C" binding.

yes

> About "fieldsep_csv", I do not like much the principle of having different 
> output variables to represent the same concept depending on the format. I 
> would rather have reused fieldsep as in your previous submission and set 
> it to "," when under --csv.

yes

> The "\n" eol style is hardcoded. Should it use "recordsep"?

yes

> The "\pset format" error message in "do_pset" shows values in seemingly 
> random order. The situation is pre-existing but not really satisfactory. 
> I'd suggest to put all values in alphabetical order.

yes

> I'd suggest that tests should include more types, not just strings. I 
> would suggest int, float, timestamp, bytea, an array (which uses , as a 
> separator), json (which uses both " and ,)...

sounds good

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


Commits

  1. Add CSV table output mode in psql.

  2. Reorganize format options of psql in alphabetical order

  3. Complete TODO item: