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Problem with MODIFIES SQL DATA

 
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Joy
Beginner


Joined: 09 May 2005
Posts: 7
Topics: 6
Location: Kolkata
PostPosted: Thu May 12, 2005 8:02 am    Post subject: Problem with MODIFIES SQL DATA Reply with quote
Hi ,
Can u please tell me whats wrong with this UDF.Its encountering the following error message Multiple or conflicting keywords involving the "MODIFIES SQL DATA " clause are present.The SQLCODE and SQLSTATE are given below:

sqlcode : -628

sqlstate : 42613


Code:

CREATE FUNCTION PPD.GET_CER_REC_COUNT(GROUP_NO INT,
                  DEP_CITY_IATA_CD VARCHAR(5),
                  ARR_CITY_IATA_CD VARCHAR(5),
                  NO_OF_RECS INT)
RETURNS INT

LANGUAGE SQL
MODIFIES SQL DATA           
NOT DETERMINISTIC
SPECIFIC GET_CER_REC_COUNT

BEGIN ATOMIC
DECLARE RETURN_VAR INT;
SET RETURN_VAR = NO_OF_RECS;
    
UPDATE PPD.LEG_SEG L
SET L.CER_GR_NO = GROUP_NO
WHERE
L.DEP_CITY_IATA_CD = DEP_CITY_IATA_CD AND
L.ARR_CITY_IATA_CD = ARR_CITY_IATA_CD;

RETURN RETURN_VAR;

END
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kolusu
Site Admin
Site Admin


Joined: 26 Nov 2002
Posts: 12378
Topics: 75
Location: San Jose
PostPosted: Thu May 12, 2005 8:28 am    Post subject: Reply with quote
Joy,

You are creating a "SQL scalar" function and you cannot use "modifies sql data" on it. You can use that parm only when creating "external scalar" function.

Check this link for SQL Scalar Function.

http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/DSNSQH11/5.29?DT=20010718164132

Check this link for "external scalar" function.

http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/DSNSQH11/5.26?DT=20010718164132

Hope this helps...

Cheers

kolusu
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www.linkedin.com/in/kolusu
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