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How to check whether the date is valid or not

How to check whether the date is valid or not

How to check whether the date is valid or not

(OP)
Hi,
I'm using a procedure in which i have to append the date by 1 unit, everytime the loop increases. I need to check whether the new processed date is valid or not. for eg: suppose my current date is 2007-02-28. on adding 1 it is giving me 2007-02-29. i hv to check whether it is a valid date or not thru a function. how can it be done..?? is there any inbuilt mechanism to check

RE: How to check whether the date is valid or not

(OP)
hi thnx for the reply actually the issue is that i hv writtena  certain peice of code :
***********************************************************
If fLastStmtDate1 Is Null Then
   Let fLastStmtDate1 = Date(fStmtNextDate) - 1 Units Month;
End If;
    
Let fLastStmtDate2 = Date(fLastStmtDate1) + 1 Units Day;
***********************************************************
 and in this part it is giving me the error -1267.. I am not gettign nay clue why this error is coming

RE: How to check whether the date is valid or not

I think the error is raised by the month line, not the day line.
I'd use a separate procedure for adding/subtracting months:

CODE

CREATE PROCEDURE AddMonth(dep DATE, nbm SMALLINT) RETURNING DATE;
  DEFINE res DATE; DEFINE nbj SMALLINT;
  LET nbj=0;
  WHILE 1=1
    ON EXCEPTION IN(-1267)
      LET nbj=nbj+1;
    END EXCEPTION
    LET res=DATE(dep-nbj UNITS DAY + nbm UNITS MONTH);
    EXIT WHILE;
  END WHILE
  RETURN res;
END PROCEDURE;
And now your actual code may look like this:

CODE

If fLastStmtDate1 Is Null Then
   Let fLastStmtDate1 = AddMonth(fStmtNextDate,-1);
End If;

Hope This Helps, PH.
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