Error ORA-01002: fetch out of sequence

Question

Hi all,
I created 3 cursors. The scenario is like following :
Begin Cur A
Begin FOR xx IN Cur B LOOP
Begin FOR xx IN Cur C LOOP
End LOOP Cur C;
commit;
End LOOP Cur B;
End Cur A;
When i run the program its display error ORA-01002: fetch out of sequence.
The objective of my program is to insert into table and commit every transaction.
Kindly share info with me why this error happened.
TQ.
tim

Answer 1

Tim,
Refer to the following:
ORA-01002: fetch out of sequence
Cause: This error means that a fetch has been attempted from a cursor which is no longer valid.
Note that a PL/SQL cursor loop implicitly does fetches, and thus may also cause this error. There are a number of possible causes for this error, including:
1) Fetching from a cursor after the last row has been retrieved and the ORA-1403 error returned.
2) If the cursor has been opened with the FOR UPDATE clause, fetching after a COMMIT has been issued will return the error.
3) Rebinding any placeholders in the SQL statement, then issuing a fetch before reexecuting the statement.
Action:
1) Do not issue a fetch statement after the last row has been retrieved - there are no more rows to fetch.
2) Do not issue a COMMIT inside a fetch loop for a cursor that has been opened FOR UPDATE.
3) Reexecute the statement after rebinding, then attempt to fetch again.
HTH,
Thierry
Edited by: Thierry H. on May 4, 2011 12:30 PM Reformatting