My stored procedure (below) wont work. When I call execproc I get either a
parameter or type mismatch or I am told there is no Params[0] - the return
value. The generator it uses has not incremented.
I have an IB Insert TRigger that correctly uses the generator to fill in a
Null field value when I post but now want to use the stored procedure to
pass in a non-null value (which is so much more convenient).
Heres my ISQL script (Set term $;) for the procedure, ISQL tells me it is on
the server (but I do not know how to test it other than through Delphi).
CREATE PROCEDURE PRO_GETSLPRTY
RETURNS (ID_SLPRTY INTEGER)
AS
BEGIN
ID_SLPRTY = gen_id(GEN_SLPRTY, 1);
END $
COMMIT$
The stored Procedure is called onInsert:
begin
With StoredProc do begin
myParamname := RETPREFIX + Tablename;
StoredProcName := SPPREFIX + Tablename;
Params.AddParam(Params.CreateParam(ftInteger, myParamname,
ptInput));
Prepare;
ExecProc;
// raises DB error here.
Result := ????;//would have thought Params[0] or ParambyName(myParamname)
... but the program advises me there are no params.
end;
end;
All D5 pro/ IB5/ ODBC (which raises the errors). Any thoughts?
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