Dawid Kuroczko wrote: > Hi! > > I think I've got a nice TODO item for psql client: > > When a client connects to a database which has unknown (newer) > version it might be advisable to 'fallback' some commands to use > INFORMATION_SCHEMA instead of system catalogs. > > > For instance when connected to 8.4dev server using 8.3 client, > after issuing \d foo_table you get: > ERROR: column "reltriggers" does not exist > LINE1: SELECT relhasindex, relkind, relchecks, reltriggers, relhasr.... > > Of course the information_schema will probably be less efficient > and won't have PostgreSQL-specific items like 'Has OIDs', but > the user experience should be better. > > My question is: does it look like a good TODO item? :)
That seems like duplicate effort. The clearer solution would just be to use information_scema where possible for all psql backslash commands so you don't have to maintain two versions. I think the problem is that lots of information we need is not in the information schema. -- Bruce Momjian <br...@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + If your life is a hard drive, Christ can be your backup. + -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers