On Sat, Jul 17, 2010 at 11:14 PM, Bruce Momjian <br...@momjian.us> wrote: > Robert Haas wrote: >> I'd like to be able to list comments on objects of a particular type. >> And, yeah, I'd like to be able to list all the aggregates that take a >> numeric argument, or all the functions that take, say, an argument of >> type internal. Right now, this is an ENORMOUS pain in the neck. I >> usually end up running psql -c '<some backslash command>' | grep | >> awk ... or something like that. I have no idea what Windows users do. >> I'm sure it's possible to write a query to do it, but it's not >> anything approaching easy. All of this talk about backslash commands >> being powerful rings totally hollow for me. For ordinary, day to day >> tasks like listing all my tables, or looking at the details of a >> particular table, they're great. I use them all the time and would >> still use them even if some other syntax were available. But there is >> no reasonable way to pass options to them, and that to me is a pretty >> major drawback. > > I am concerned that implementing a command syntax to show complex output > like above effectively means re-implementing a subset of SQL, and that > subset will never be as flexible.
That's a reasonable concern, but I don't have a better idea. Do you? -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise Postgres Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
