On Wed, May 7, 2025 at 6:23 AM Yugo Nagata <nag...@sraoss.co.jp> wrote: > > On Wed, 7 May 2025 15:39:26 +0900 > torikoshia <torikos...@oss.nttdata.com> wrote: > > > Hi, > > > > I noticed that REJECT_LIMIT, an option available for COPY FROM, is not > > currently supported in psql's tab completion. > > > > Additionally, some options are only valid for COPY FROM or COPY TO, i.e. > > FREEZE, ON_ERROR, FORCE_QUOTE, but psql currently suggests them for both > > COPY FROM and COPY TO. > > As the number of COPY options continues to grow, I feel that having > > irrelevant suggestions makes tab completion noisier. > > Indeed eliminating irrelevant suggestions would improve user experience,
+1 > but I think there is a drawback that it increases code maintenance for > adding options used both in COPY FROM and TO. This might be trivial until > the number of common options are small as now, though. > > Perhaps, the redundant code could be reduced by preparing a list (an array > of const char*) containing common options part, then appending options > specific to each mode using some function like kind of append_variable_names, > and passing these lists to COMPLETE_WITH_LIST. Or we can simply #define the common option list and #define two lists for COPY TO and COPY FROM by concatenating the common option list, like we do for ALTER PROCEDURE/ROUTINE/FUNCTION options. Regards, -- Masahiko Sawada Amazon Web Services: https://aws.amazon.com