Yep.. i have solved this problem by specifying
the correct return type and variable type (should be the same)

but as said, in some cases pl_exec executes with type conversion.
as real example - i have :

return type = SETOF new type  "category_node(catid, pcatid)"
variable = R, SR -> RECORD

and

FOR R IN select * from ...
LOOP
  RETURN NEXT R;  /* add  RECORD to SETOF_of_CATEGORY_NODE */
....

and works...
the problem seems is teh same - on altered tables there is some porblem with this :)


Actualy - return type & variable in "RETURN NEXT" must be the same type.

// Solved

John DeSoi wrote:


On Mar 11, 2005, at 5:54 AM, Juris Zeltins wrote:

   FOR P IN select pageid from pages


This way you are only getting the pageid column. I think what you want is

FOR P in select * from pages

so that P contains the complete pages record.


John DeSoi, Ph.D. http://pgedit.com/ Power Tools for PostgreSQL




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