On Tue, Jul 02, 2002 at 01:37:08AM +0200, Ferenc Engard wrote: > > If I understand well, I can create a cursor for a SELECT statement, and > return that cursor. Well, it is better than nothing, but I fear it is > not flexible enogh for me.
Maybe not for the solution you have right now, but you most likely can rework things a bit to make it work. > Here is an example from an interbase app. I have to declare that this is > not my program, and I do not know IB, so forgive me if I say silly > things... > > CREATE PROCEDURE VIEW_1_1 > ( > SZEMPONTID INTEGER, > PARENT CHAR(10) CHARACTER SET WIN1250, > ELNEVEZESTIPUSID INTEGER, > RENDSZERKOD CHAR(16) CHARACTER SET WIN1250 > ) ... > The point is not what this proc does (in summary, it gets all the childs > with their properties of a parent in a tree structure), but it cannot > gather all the information with just one select, e.g. it gets some data > from another (nontrivial) stored procedure. > > As I see, that 'suspend' command gives back the actual row (and the > control) to the caller until it fetches the next row from this proc's > return value. Do I interpret correct that this stored proc returns a > cursor with structure described in the 'RETURNS' part, and which is not > linked to a SELECT statement? > > Can I do something similar in PG? If not now, maybe in the (near) > future? Not in the way you currently have, as far as I could understand it. I didn't read the procedure very attentively because it's horribly written in all caps, and my eyes started scrambling the letters half way through. -Roberto -- +----| http://fslc.usu.edu/ USU Free Software & GNU/Linux Club |------+ Roberto Mello - Computer Science, USU - http://www.brasileiro.net/ http://www.sdl.usu.edu/ - Space Dynamics Lab, Developer "Data! I thought you were dead!" "No, Sir. I rebooted." ---------------------------(end of broadcast)--------------------------- TIP 2: you can get off all lists at once with the unregister command (send "unregister YourEmailAddressHere" to [EMAIL PROTECTED])