Finding locked objects in design repository?

Does anyone know if it is possible to get a list of objects that are currently locked by users inside a design repository?
I am looking for something that is equivalant to what v$locked_object is for Oracle objects. I've tried looking at the tables/views/procedures defined in the Control Center but I haven't been able to figure out a way to do it.
I am writing some scripts to automate the export/import of MDLs between repositories. I'd like to be proactive about checking locks in the repository before attempting to import the MDL.
Thanks.

HI,
it seems that OWB uses DBMS_LOCK package for locking objects, so you can extract OWB internal lock names from SYS.DBMS_LOCK_ALLOCATED table (name OWB locks begin with 'OWB'). Locked object id (from all_iv_all_objects) specified at the end of lock name in reverse order.
But I don't now how to get type of locking (opening object also creates a lock).
Oleg

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Report to find Locked objects in sap system

Hi All,
does anyone know the report to find out the locked objects in an sap system?
or
name of the table that stores locked objects ?
or any other way through which we can find the number of locked objects ?
Thanks and regards
Abdul Hadi

Hi,
You can unlock locked objects in transaction SE03.
Click on Display Repaired objects.
You can see all the objects that are locked.
To unlock you can select the particular object and click on Unlock.
Do reward points if the answer to your question is met.
Regards
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Find lock object for field

Hi Friends,
I have one qurey. I would like to know the lock object for field MATNR.
Any suggestion how I can find it out the lock object for specific field.
Regards,
Poonam

hi,
GOTO se11.
select Lock object Radio button.
Press F4.
A popup appears, in that popup, under Short Description, type
*Material* and press enter. you will get a list of lock objects, select your required.
Always give the first letter in CAPS. like *Material*.

How to find locked object query?

There is random error ORA-00054 coming during execution of one process which is using SELECT FOR UPDATE NO WAIT statement.
Logs of process is showing row is accessed only once but still it gets error of "resource busy".
So there must be any other session which is locking object and it is not identifid. I want to identify which other session/user is locking object.
I am trying with below query which shows session id, terminal name and object name which is locked.
SELECT a.sid,a.serial#, a.username,c.os_user_name,a.terminal,
b.object_id,substr(b.object_name,1,40) object_name,sysdate
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where a.sid = c.session_id
and b.object_id = c.object_id But i want information of SQL query from v$sqltext so i can find out throughout the applicaiton where it is executed?
Thanks

Finding session that it locking is not a problem.
Finding SQL responsible is not necessarily straightforward.
You might be lucky. You might not.
If the SQl responsible for locking the row ran for a long time or was blocked by something else, AND you're on version >= 10g AND you're licensed for Diagnostic Pack, then you should find some evidence in ASH - DBA_HIST_ACTIVE_SESS_HISTORY.
Doug Burns has a 10-part series on the subject.
http://oracledoug.com/serendipity/index.php?/archives/1477-Diagnosing-Locking-Problems-using-ASH-Part-1.html
There is another current thread on the same issue:
How to find sql statement which generates LOCK

To can find lock object

Hi friend;
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Regards
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-- show lock related information
select     OS_USER_NAME os_user,
     PROCESS os_pid,
     ORACLE_USERNAME oracle_user,
     l.SID oracle_id,
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          'IS', 'Instance State',
          'FS', 'File Set',
          'IR', 'Instance Recovery',
          'ST', 'Disk Space Transaction',
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          'IV', 'Library Cache Invalidation',
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          'RW', 'Row Wait',
          'SQ', 'Sequence Number',
          'TE', 'Extend Table',
          'TT', 'Temp Table', type) lock_type,
     decode(LMODE,
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          1, 'Null',
          2, 'Row-S (SS)',
          3, 'Row-X (SX)',
          4, 'Share',
          5, 'S/Row-X (SSX)',
          6, 'Exclusive', lmode) lock_held,
     decode(REQUEST,
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          1, 'Null',
          2, 'Row-S (SS)',
          3, 'Row-X (SX)',
          4, 'Share',
          5, 'S/Row-X (SSX)',
          6, 'Exclusive', request) lock_requested,
     decode(BLOCK,
          0, 'Not Blocking',
          1, 'Blocking',
          2, 'Global', block) status,
     OWNER,
     OBJECT_NAME
from     v$locked_object lo,
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     v$lock l
where      lo.OBJECT_ID = do.OBJECT_ID
AND l.SID = lo.SESSION_ID;
Regards
Asif Kabir

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Hi Siva
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To find locks on the objects for the table-- urgent

hi all..
how to find which lock object is used for the table T001b...
i want to lock a record of the table t001b before righting the select query and then do some mofification and the unlock it again..
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thnx
Message was edited by:
neha gupta

Hi Neha,
When you create a lock object System automatically creat two function module.
1. ENQUEUE_<Lockobject name>. to insert the object in a queue.
2. DEQUEUE_<Lockobject name>. To remove the object is being queued through above FM.
You have to use these function module in your program.
check this link for example.
http://help.sap.com/saphelp_nw04s/helpdata/en/cf/21eea5446011d189700000e8322d00/content.htm
tables:vbak.
call function 'ENQUEUE_EZLOCK3'
exporting
mode_vbak = 'E'
mandt = sy-mandt
vbeln = vbak-vbeln
X_VBELN = ' '
_SCOPE = '2'
_WAIT = ' '
_COLLECT = ' '
EXCEPTIONS
FOREIGN_LOCK = 1
SYSTEM_FAILURE = 2
OTHERS = 3
if sy-subrc <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
endif.
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Reward If helpful.

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Edited by: lakshman balanagu on Dec 4, 2009 12:13 PM

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Tony.

I am using PI7.0, If i get your question very well: I think there is no option to get an object with Id, all options are:
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Lock objects

Hi experts,
My requirement is to create lock for parent table and its child tables.Each and every child tables is having relation with the parent table.
When iam creating the lock for parent table, in this process iam adding the child tables in the list.But here one child table is missing in the log eventhough its having the relation with parent table.
Valuable replies will be awarded with points.........
Regards,
Swetha.

Hi,
it may help u
1) Select object type Lock object in the initial screen of the ABAP Dictionary, enter an object name and choose Create. The name of a lock object should begin with an E (Enqueue).The maintenance screen for lock objects is displayed.
2) Enter an explanatory short text in the field Short text. You can then use the short text to find the lock object at a later time, for example with the R/3 Repository Information System.
3) Enter the name of the primary table of the lock object. All other tables in the lock object must be linked with the primary table using foreign keys.
4) Select the lock mode of the primary table in the field below it The lock mode is used as the default value for the corresponding parameters of the function modules generated from the lock object.
5) Choose Add if you want to lock records in more than one
table with the lock object. A list of all the tables linked with the primary table using valid foreign keys is displayed. Select the appropriate table. The lock
mode of the primary table is copied as lock mode. You can change this setting as required, for example you can assign the lock mode separately for each table.
Similarly, you can add a table linked with the secondary table just added with foreign keys. To do this, place the cursor on the name of the secondary table and choose Add.
If no lock mode is assigned to a table, no lock is set for the
entries in this table when the generated function modules are
called. You should not assign a lock mode if a secondary table
was only used to define a path between the primary table and
another secondary table with foreign keys.
6) Save your entries.
A dialog box appears in which you have to assign the lock
object a development class.
7) You can define whether the function modules generated from
the lock object should be RFC-enabled on the Attributes tab
page. If you set the Allow RFC flag, the generated function
modules can be called from within another system with Remote
Function Call. If you permit Remote Function Calls for an
existing lock object, you must ensure that the generated
function modules are called from within an ABAP program with
parameters appropriate for the type. You should therefore check
all programs that use the associated function modules before
activating the lock object with the new option.
8) Choose Activate
Regards

How to create a lock object in se11

hi all,
Can anyone tell me the step by step procedure to lock as well as unlock a particular object in se11 trns code. with an real time example.
thanxs in advance
hari

Hi,
Lock objects are use in SAP to avoid the inconsistancy at the time of data is being insert/change into database.
SAP Provide three type of Lock objects.
- Read Lock(Shared Locked)
protects read access to an object. The read lock allows other transactions read access but not write access to
the locked area of the table
- Write Lock(exclusive lock)
protects write access to an object. The write lock allows other transactions neither read nor write access to
the locked area of the table.
- Enhanced write lock (exclusive lock without cumulating)
works like a write lock except that the enhanced write lock also protects from further accesses from the
same transaction.
You can create a lock on a object of SAP thorugh transaction SE11 and enter any meaningful name start with EZ Example EZTEST_LOCK.
Use: you can see in almost all transaction when you are open an object in Change mode SAP could not allow to any other user to open the same object in change mode.
Example: in HR when we are enter a personal number in master data maintainance screen SAP can't allow to any other user to use same personal number for changes.
Technicaly:
When you create a lock object System automatically creat two function module.
1. ENQUEUE_<Lockobject name>. to insert the object in a queue.
2. DEQUEUE_<Lockobject name>. To remove the object is being queued through above FM.
You have to use these function module in your program.
Creating Lock Objects
Procedure
1.Select object type Lock object in the initial screen of the ABAP Dictionary, enter an object name and choose Create. The name of a lock object should begin with an E (Enqueue).
The maintenance screen for lock objects is displayed.
2.Enter an explanatory short text in the field Short text.
You can then use the short text to find the lock object at a later time, for example with the R/3 Repository Information System.
3.Enter the name of the primary table of the lock object.
All other tables in the lock object must be linked with the primary table using foreign keys. There are also some restrictions on the valid foreign key relationships.
4.Select the lock mode of the primary table in the field below it.
The lock mode is used as the default value for the corresponding parameters of the function modules generated from the lock object.
5.Choose Add if you want to lock records in more than one table with the lock object.
A list of all the tables linked with the primary table using valid foreign keys is displayed. Select the appropriate table. The lock mode of the primary table is copied as lock mode. You can change this setting as required, for example you can assign the lock mode separately for each table.
6.Similarly, you can add a table linked with the secondary table just added with foreign keys. To do this, place the cursor on the name of the secondary table and choose Add.
7.If no lock mode is assigned to a table, no lock is set for the entries in this table when the generated function modules are called. You should not assign a lock mode if a secondary table was only used to define a path between the primary table and another secondary table with foreign keys.
8.Save your entries.
A dialog box appears in which you have to assign the lock object a development class.
9.You can (optionally) exclude lock parameters (see lock objects) from the function module generation on the Lock parameter tab page. This makes sense for example if you always want to lock a parameter generically.
To do this, simply deselect the Weight flag for the parameter. The parameter is not taken into consideration in the generated function modules. This parameter is then always locked generically.
9.The name of a lock parameter is usually the name of the corresponding table field. If two fields with the same name are used as lock parameters in the lock object from different tables, you must choose a new name for one of the fields in field Lock parameter.
10.You can define whether the function modules generated from the lock object should be RFC-enabled on the Attributes tab page.
If you set the Allow RFC flag, the generated function modules can be called from within another system with Remote Function Call.
11.If you permit Remote Function Calls for an existing lock object, you must ensure that the generated function modules are called from within an ABAP program with parameters appropriate for the type. You should therefore check all programs that use the associated function modules before activating the lock object with the new option.
12 .Choose Activate .
Result
When you activate the lock object, the two function modules ENQUEUE_<lockobjectname> and DEQUEUE_<lockobjectname> are generated from its definition to set and release locks.
You can find information about the activation flow in the activation log, which you can display with Utilities Activation log. If errors occurred during activation, the activation log is displayed immediately.
Pls reward points.
Regards,
Ameet
Message was edited by:
Ameet Jassani

Finding locked objects in design repository?

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