Parallel Query ORA-01002 - Fetch Out Of Sequence
Feb 16, 2013
While executing parallel query we are getting the below errors.
(SQLState = HY010) - java.sql.SQLException: [tibcosoftwareinc][Oracle JDBC Driver][Oracle]ORA-01002: fetch out of sequence"
(SQLState = HY000) - java.sql.SQLException: [tibcosoftwareinc][Oracle JDBC Driver][Oracle]ORA-12842: Cursor invalidated during parallel execution
Database Version: Release 11.2.0.1.0 (Non-RAC)
SQL Query:
SELECT /*+ PARALLEL 4 */
DISTINCT
AI.STORE_ID STORE_ID, AI.DUE_DATE DUE_DATE, AI.INSTRUCTION_ID INSTRUCTION_ID,
DECODE (ASR.ADT_INSTR_KEY, NULL, 'F', ASR.ADT_INSTR_KEY, 'S') QCCHECK
FROM NSOAPP.DA_INSTRUCTION_INFO AI,
[code]....
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Apr 16, 2009
I am back with one more issue. I am fetching records through a cursor from database using Pro*C and inserting some records as shown below:
EXEC SQL DECLARE cur_num CURSOR FOR
SELECT STUDENT_NUMBER
FROM STUDENTS
WHERE STDID = :temp_num
ORDER BY STUDENT_NUMBER;
EXEC SQL OPEN cur_num;
EXEC SQL WHENEVER NOT FOUND DO break;
[code]....
This code works fine sometimes but ends up with this error sometimes: ORA-01002: fetch out of sequence and also do I need to do null termination once i fetch data from the database like this:
Quote:EXEC SQL FETCH cur_num INTO :std_num ;
std_num.arr[std_num.len] = '�';
std_num is declared as varchar datatype.
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Sep 17, 2013
I'm currently facing a non-critical situacion while trying to update a table. Here's the PL/SQL Code. It's a pretty straight-forward script, It just update one single column of the table. The only problem is that I have to update over 15 milions records. When I use the for update cursor, I put inside the loop a counter, when it reaches 1000 records, then commit, else keep counting.
The block throws the exception ORA-01002: fetch out of sequence.
I've tried to do some reserch on Google, buy it only says it is an out of secuence fetch caused by a commit inside a for update cursor.
My question is. Is there any risk by putting the commit under the end loop, I mean by doing this I'd be updating over 15.000.000 records at the same time. Will I have any issue with the rollback segment ?
Here's the code as along with the Create Table and Insert statements.
CREATE TABLE TEST_1
(
TEST_ID NUMBER PRIMARY KEY,
IS_LOCKED NUMBER NOT NULL
);
INSERT INTO TEST_1
(TEST_ID, IS_LOCKED)
VALUES
(1, 0);
[Code]....
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Jun 1, 2011
we have an application currntly running on an HP UX system that uses Oracle 9i database. the pro*C codes work fine with Oracle 9i, on the older system. however now we are migrating it to LINUX system (ORACLE 10g). in the new system we are facing issues with fetch statement
here is how we have the
the cursor statement:
EXEC SQL DECLARE diff_cns_list CURSOR FOR
select PREV.CNS_CODE,
PREV.CNS_DESCRIPTION,
[code]....
the code runs fine in the old operating system (HP UX) where oracle 9i was used. but fails in Oracle 10g(OS-LINUX).
the probable reason that we found out is that: the fetch statement returns zero rows, that is the reason why this error is being displayed. but Oracle 9i seemed to work out well with this.
we tried reducing the cursor conditions, where it fetches 3 rows. this is when is the fetch statement works fine.
the functionality of the code is that it should work fine even with no rows selected. Is there a way we can modfy the code to work with zero rows as well.
the error we are getting is : ORA-01002: fetch out of sequence
==========================
as per what is given in Oracle sites:
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.
========================
we have checked:
1>this is not the case and ORA-1403 not returned
2>No update statements involved , there is a insert statement which inserts data in this table
3>i am not clear with this one.
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Jun 21, 2012
oracle: 10.2.0.5.7...I can get this to work, but not the way the docs seem to say. I am wondering if I am reading the docs wrong or missing something.
The docs seem to say to get a query to run in parallel using an index you use the PARALLEL_INDEX hint. This doesn't seem to work for me. I have to do one of the following
1. change the parallel degree with an alter index, then use the PARALLEL hint (parallel index hint does nothing in this case)
2. use both the parallel_index and parallel hint
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Oct 23, 2013
Just a general query on parallel query. My customer having 4 cpus and running the database in 11.2.0.3 in AIX 5.3(One is in AIX 6.1). Under which circumstances, we can propose to user parallel query options.
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Sep 24, 2010
We have very large table having data more than 1000 millions rows. We divide this table into four physical tables say A, B, C and D. The physical horizontal partition of data of this original table is done based upon their business policy.
Each partitioned table has contained data of particular business entity. Further each table has partition and sub partitions based upon business rule.
We have to retrieve data from all these tables as follows:
select a1, a2, a3, a4, a5, a6
from A
where < logical filter condition>
union all
select b1, b2, b3, b4, b5, b6
[code].....
We observed that above each query block execute in serial one after another and individual each query block capable to process data in parallel from respective table.
How does this above query able to execute each query block in parallel?
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Jan 3, 2012
I have been told that i should use multiple's of 4 as degree in the parallel hint to get maximum performance, so i am wondering is it true? that i should always use multiples of 4 or i can use any number inside the parallel hint.
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Jul 10, 2013
Below query doesn't have any parallel hints. Though, it is without where clause, so full scan is must but why "PX Deq Credit: send blkd" occurred?
SELECT ROWID, REGION, STATE, CITY, DEALERNAME, DEALERCODE, DEALERID, BUSINESSUNIT, GARDEALERID, MASTERCLAIMNUMBER, CLAIMNUMBER, COMPANY, POLICYNUMBER, STARTDATE, ENDDATE, POLICYISSUEDEALERNAME, ISSUEDEALERCODE, CUSTOMERNAME, CUSTOMERADDRESS, ACCIDENTDATE, ACCIDENTTIME, INTIMATIONDATE, INTIMATIONTIME, REGISTRATIONDATE, REGISTRATIONTIME, DRIVERNAME, ACCIDENT_DESCRIPTION, INTIMATION_DELAY_REASON, INTIMATORNAME, INTIMATORMOBILENO, CLAIM_INTIMATED_BY, TOWING_ASSISTANCE, ACCIDENTPLACE, ACCIDENTLOCATION, GARAGENAME, WORKSHOPADDRESS, WORKSHOPMOBILENO, MANUFACTURINGYEAR, CHASSISNUMBER, ENGINENUMBER, REGISTRATIONNUMBER, VEHICLEMODEL, BUSINESSTYPE, TOTALSI, CLAIMEDAMOUNT, ESTIMATEDAMOUNT, "LABOUR(E)", "PARTS(E)", "PAINTING(E)", EXCESS,
[code]....
understand about "PX Deq Credit: send blkd"..
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Nov 25, 2010
We are facing the below error in our Production environment.
ORA-12827: insufficient parallel query slaves available
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Apr 30, 2012
If we have not set parallel degree for a table then we can ( try to ) force parallel execution on a table using a parallel hint Does this 'parallelism' works on the index search in the query as well?
In which situations non-parallel non-partitioned table but parallel index (degree>2) will facilitate a query?
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May 24, 2010
ORA-12805: parallel query server died unexpectedly
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Jul 3, 2013
I'm having a strange case of ORA-01002 Fetch out of sequence when I perform a process in the application.
Application logs, trace files (produced with dbms_monitor),
A system trigger to capture the error - all proved that the culprit is a single SQL,
*Not a PL/SQL block* That caused the issue:
Select COL1, COL2, COL3, COL4, rowid
FROM TAB1
WHERE COL1 = :1
AND COL2 = :2
AND COL3 = :3
ORDER BY COL1 ASC, COL2 ASC, COL4 ASC
FOR UPDATE NOWAIT;
binds are: 'AAA' , 10000 , 0
Also, My trigger looks like this:
CREATE OR REPLACE TRIGGER after_error
AFTER SERVERERROR ON DATABASE
DECLARE
pragma autonomous_transaction;
[code]...
I've read some about this error and everywhere it says that it has to do with fetching from an invalid cursor,And all the examples I've observed are of PL/SQL block - never seen any example/explanation of how it happens in a SQL query.
if the OCI maybe is somehow doing things different than the logs/triggers show?
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Sep 25, 2013
select
serialnumber from product where productid in
(select /*+ full parallel(producttask 16) */productid from producttask where
startedtimestamp > to_date('2013-07-04 00:00:00', 'YYYY-MM-DD HH24:MI:SS')
and startedtimestamp < to_date('2013-07-05 00:00:00', 'YYYY-MM-DD HH24:MI:SS')
and producttasktypeid in
[code]....
Explain plan output:
Plan hash value: 2779236890
-----------------------------------------------------------------------------------------------------------------------------------------
| Id | Operation | Name| Rows| Bytes | Cost (%CPU)| Time| Pstart| Pstop |
-----------------------------------------------------------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT || 1 | 29 | 9633M (8)|999:59:59 |||
|* 1 | FILTER |||| ||||
| 2 | PARTITION RANGE ALL || 738M| 19G| 6321K (1)| 21:04:17 | 1 | 6821 |
[code]....
Predicate Information (identified by operation id):
---------------------------------------------------
1 - filter( EXISTS (<not feasible>)
4 - filter("PRODUCTID"=:B1)
5 - filter(ROWNUM<100)
12 - access("MODELID"=:B1)
[code]....
Note: - SQL profile "SYS_SQLPROF_014153616b850002" used for this statement
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Oct 20, 2011
does parallel hint in query can create bottleneck/Slowdown/crash database..??
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Feb 18, 2013
I am to trying to fetch session id of a previously submitted process of a search button......so that i can display the search results in a different page.....so is there any sql query or pl/sql procedure to fetch the session id.
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Jul 26, 2013
I am trying to write a proper query to fetch data from database. Scenario:
I need to retrieve employees who are not working in multiple departments. scott@TESTCRM> select * from emp1;
EMPNO DEPTNO
---------- ----------
7654 30 7698 30 7788 20 7788 30 7876 20 7900 10 7900 30 7902 20 7934 10
scott@TESTCRM>
Ouput Expected is
EMPNO DEPTNO
---------- ----------
7654 30 7698 30 7876 20 7902 20 7934 10
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Mar 15, 2011
I have 3 tables, Emp(Emp_id,emp_name),dept(dept_no,dept_name),emp_dept(emp_id,dept_no). Emp tabl ehas some 20 employes id who belongs to different departments.There are few employee who belongs to multiple departments as well. I want to fetch records of emp_id, emp_name, dept_no in the following format.
Name id dept_no
Ram 101 10
20
30
Ani 201 10
20
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May 25, 2013
Lets say I have a table in ORACLE database like:
ACC_ID | ACC_AMT
111 | 10000
111 | 12000
111 | 14000
222 | 25000
222 | 30000
333 | 18000
333 | 27000
333 | 13000
333 | 15000
I want to get the output as:
ACC_ID_1 | ACC_AMT_1 | ACC_ID_2 | ACC_AMT_2 | ACC_ID_3 | ACC_AMT_3
111 | 10000 | 222 | 25000 | 333 | 18000
111 | 12000 | 222 | 30000 | 333 | 27000
111 | 14000 | null | null | 333 | 13000
null | null | null | null | 333 | 15000
I need each different ACC_ID with ACC_AMT in different columns. The table may have other different ACC_ID also, but I will fetch only what I need. What is the best way to do this?
So far I have tried this:
SELECT
(CASE WHEN ACC_ID=111 THEN ACC_ID END) AS ACC_ID_1,
(CASE WHEN ACC_ID=111 THEN ACC_AMT END) AS ACC_AMT_1,
(CASE WHEN ACC_ID=222 THEN ACC_ID END) AS ACC_ID_2,
(CASE WHEN ACC_ID=222 THEN ACC_AMT END) AS ACC_AMT_2,
(CASE WHEN ACC_ID=333 THEN ACC_ID END) AS ACC_ID_3,
(CASE WHEN ACC_ID=333 THEN ACC_AMT END) AS ACC_AMT_3
FROM <TABLE_NAME>
But I am not getting the desired result.
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Sep 28, 2011
I got a issue with a query to fetch records between two dates for fixed timings
Date
From 29-09-2011 to 04-10-2011
Time
From 00:00:00hrs to 08:00:00hrs
I tried the below queries, it doesnt work
select a.detectorid,sum(b.totalvolume),a.updatetime,a.averagespeed from traffic_data a left outer join volume_data b on a.traffic_id=b.traffic_data_id
where pollinterval=1 and detectorid=�AIDC_0154� and updatetime between to_date(�29-aug-2011:00:00:00�,�DD-MON-YYYY:HH24:MI:SS�)
[code]...
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Sep 16, 2012
I need to fech parent records only when no child record with status 'N' exists. There are only two possible values for status column of child table 'Y' / 'N'.
Below are table structures and insert statements for data.
CREATE TABLE MASTER
(
COL1 NUMBER,
[Code]....
COMMIT;Query I framed is below
select * from master where exists (select null from child where child.col2 = master.col1
group by child.col2 having count(distinct col3) =1 )
Output in above case would be 3 as for 1 there's one record with status as 'N' and for 2 there's no child record. I am on 10g.
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Jul 17, 2012
I am working on the quality center oracle database to write a query that fetches all steps of a test case including the ones having calls to tests. Structure of table is explained below. I've made up an example and attached it as an image to this post. This image also has the expected result of the query I want to write.
Table Name: STEPS (This table contains steps belonging to tests. Some steps are simply calls/links to other tests)
Columns:
STEP_ID (primary key - integer)
STEP_NAME (char)
STEP_DESC (char)
ORDER (integer)
TEST_ID (reference to table TEST.test_id)
[code].......
Referring to the example (see attached image), I'm looking to write a query that gives me all steps (including steps from called tests) of the test - "Empty trash from mailbox" in the correct order.
To start with I can write the following query to get steps of the test - "Empty trash from mailbox".
SELECT * FROM steps WHERE test_id = (SELECT test_id FROM test WHERE test_name = 'Empty trash from mailbox')
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Jun 2, 2010
There are several stages for sql processing in 10g2 database concept document.The following stages are necessary for each type of statement processing:
■ Stage 1: Create a Cursor
■ Stage 2: Parse the Statement
■ Stage 5: Bind Any Variables
■ Stage 7: Run the Statement
■ Stage 9: Close the Cursor
Optionally, you can include another stage:
■ Stage 6: Parallelize the Statement
Queries (SELECTs) require several additional stages, as shown in Figure 241:
■ Stage 3: Describe Results of a Query
■ Stage 4: Define Output of a Query
■ Stage 8: Fetch Rows of a Query
Stage 3: Describe Results of a Query The describe stage is necessary only if the characteristics of a query's result are not known; for example, when a query is entered interactively by a user. In this case, the describe stage determines the characteristics (datatypes, lengths, and names) of a query's result.
Stage 4: Define Output of a Query In the define stage for queries, you specify the location, size, and datatype of variables defined to receive each fetched value. These variables are called define variables. Oracle performs datatype conversion if necessary.
I still don't understand what's Stage 3: Describe Results of a Query and Stage 4: Define Output of a Query.
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Feb 27, 2013
creating Oracle SQL query to fetch the information using PIVOT option.We are populating audit table using triggers. For every update, there will be two rows into audit table, one row with all OLD values and another with all NEW values. Also every updated is uniquely identified by Sequence No. Example for phone audit is mentioned below :
CREATE TABLE test_audit_phone
(
emplid VARCHAR2(10),
seqno NUMBER,
action VARCHAR2(3),
office NUMBER,
mobile NUMBER
);
Insert some rows into table.
INSERT INTO test_audit_phone VALUES ('100',1,'OLD',1111,9999)
/
INSERT INTO test_audit_phone VALUES ('100',1,'NEW',2222,9999)
/
INSERT INTO test_audit_phone VALUES ('100',2,'OLD',2222,9999)
/
INSERT INTO test_audit_phone VALUES ('100',2,'NEW',2222,8888)
/
Table will look like the following :
SQL> SELECT * FROM sysadm.test_audit_phone ;
EMPLID SEQNO ACT OFFICE MOBILE
---------- ---------- --- ---------- ----------
100 1 OLD 1111 9999
100 1 NEW 2222 9999
100 2 OLD 2222 9999
100 2 NEW 2222 8888
Now we have to present data in different format. For each field, display OLD and NEW values in column format.
EMPLIDFIELDOLDNEW
----- ------ ---- -----
100OFFICE11112222
100MOBILE99998888
Challenges :
1) Make pivoting with old and new values
2) For each field we have to show old and new values
3)if old and new values are same, dont show in report.
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Jul 24, 2010
How do I get a query of each sequence and who has the permissions to it?
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Jul 22, 2013
I have an application connected to Oracle 11g that sends its own querys to the db based on what the user is clickng on. The applicaiton is connected via one user id and I was wondering, is there a way that I can capture the tiem each query starts, the sql itself, and the amount of time it took to fetch the data?
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Mar 24, 2011
FRM-40501: ORACLE error: unable to reserve record for update or delete.
ORA-24374: define not done before fetch or execute and fetch
My master-detail form has single canvas. For both blocks, master and detail, two tables joined together in each. One table to be updated, second table has some info for reference (query only).
I am getting these errors when in detail block the item from LOV is selected for existing record. This does not happen for new record inserted in detail block.
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Nov 1, 2012
create or replace PROCEDURE newprocedur(outname OUT VARCHAR2,outroll OUT NUMBER) AS
CURSOR c1 IS
select Name,Rollno,Section from emp;
BEGIN
Open c1;
fetch c1 into outname,outroll;
Here out of 3 columns in cursor is it possible to fetch only two columns using FETCH like i did above?
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Dec 7, 2010
I have Table Data in format :-
--------------------------
ABC
ABC
ABC
XYZ
XYZ
and i have a requirement where I need the output in this format.
-------------
ABC 1
ABC 2
ABC 3
XYZ 1
XYZ 2
what query to be used for this
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Nov 18, 2011
I have a table with three columns mentioned below :
Col1 Col2 Col3
121
221
331
431
531
622
722
Col1 is the primary key.I need a sql query which will show the data set mentioned below :
Col1 Col2 Col3 Seq
121 1
221 1
331 2
431 2
531 2
622 3
722 3
I need all the 7 records to be displayed.
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