>>> Richard Huxton <[EMAIL PROTECTED]> 2008-02-15 11:15 >>> >Dont' forget to cc: the list Bart :-) My mistake, sorry. Normally I only reply to the list and not to the respondent's personal address. Would that be wrong too?
> >Bart Degryse wrote: >> Thanks for that explanation Richard. >> But how can I know what they repeat without having documentation. >> I mean, how about functions like eg regexeqjoinsel, regexeqsel, reltimeeq, >> reltimege. >> I can imagine they mimic some other functionality, but how can I know >> whichone? > >Well, like I said many implement operators, so they can be obviously be >found in pg_operator: > >SELECT * FROM pg_operator WHERE oprcode = 'reltimeeq'::regproc; Ok, now I see. Basically, something like this was what I was looking for. > >The oprleft/right/result columns hold oid numbers for types in pg_type. > >Casts are listed in pg_cast etc. > >The fine manuals detail the system catalogues in a chapter "System >Catalogs". >http://www.postgresql.org/docs/8.3/static/catalogs.html I will take a close look at these. > >To see how e.g. \dC etc work start psql with -E > I'm sorry, but I don't have commandline access to the database. That would require an amount of trust and a level of competence our ICT department is incapable of. >If it's not documented though, you need to ask two questions: >1. Why am I using it? Well, at this moment I'm not using any of these functions as I didn't know what they do. You have to admit though that it would by useless to implement some functionality myself that already exists, but that I just didn't know about because I couldn't find it in the manual. Now I know there's only "aliases" to be found, no "undocument treasures". >2. Will it be there in the next version? > >-- > Richard Huxton > Archonet Ltd