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6.8

select statement in a cursor brings a different result or hangs

Asked by shepp_it in PL / SQL, Oracle 9.x

Tags: oracle, pl/sql

I have following SQL code. It works fine but when I put this code into a cursor, "select cursor(<select statment>)mycur from dual", screen hangs.

I have also seen in some cases where the select statement shows different output than "select cursor(<select statement>)mycur from dual". Can anyone explain why this happens?

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             SELECT
    ANS.ID,
    ANS.SURNAME,
    ANS.GIVENNAMES,
    A.EMPLOYERNUMBER,
    A.CLASSIFICATION,
    ANS.PENSIONNRA
FROM
    ANNUALSTATEMENTS ANS,
    (SELECT
         ES.ID,
         ES.EMPLOYERNUMBER,
         ES.CLASSIFICATION,
         ES.YEARENDDATE
    FROM
         STATEMENTEMPLYRSES ES,    
         (SELECT 
              SE.ID, 
              COUNT(SE.CLASSIFICATION) TOTALOCC
         FROM 
              STATEMENTEMPLYRSES SE
         WHERE 
              SE.YEARENDDATE = TO_DATE('31/12/2008','DD/MM/YYYY')
         GROUP BY 
              SE.ID
         ) D
    WHERE
         ES.ID = D.ID
         AND D.TOTALOCC = 1
         AND ES.CLASSIFICATION NOT IN ('Full-Time','Part-Time','FULL TIME','PART TIME')
         AND ES.YEARENDDATE = TO_DATE('31/12/2008','DD/MM/YYYY')
    ) A
    
WHERE
    ANS.ID = A.ID
    AND ANS.YEARENDDATE = TO_DATE('31/12/2008','DD/MM/YYYY')
    AND ANS.PENSIONNRA > 0
    AND EXISTS (SELECT 1
            FROM V3MEMBERSTATUS VMS
            WHERE VMS.STATUSDATE = (SELECT MAX(STATUSDATE) FROM V3MEMBERSTATUS  WHERE ID = VMS.ID AND V3CAREERCREATEDATE = VMS.V3CAREERCREATEDATE)
            AND VMS.TRANSDATE = (SELECT MAX(TRANSDATE) FROM V3MEMBERSTATUS WHERE ID = VMS.ID AND V3CAREERCREATEDATE = VMS.V3CAREERCREATEDATE AND STATUSDATE = VMS.STATUSDATE)
            AND VMS.STATUSCODE IN ('AC', 'DS')
            AND VMS.ID = ANS.ID
            AND VMS.V3CAREERCREATEDATE = ANS.V3CAREERCREATEDATE) --active members 
ORDER BY
    ANS.ID

           
         

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select statement in a cursor brings a different result or hangs

Asked by shepp_it in PL / SQL, Oracle 9.x

Tags: oracle, pl/sql

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