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Oracle snapshot refresh problem

Posted on 2010-11-18
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Last Modified: 2012-08-14
Hi,
When we refresh snapshots using dbms_refresh.refresh stored procedure, it always fails at a table "AXIUM"."ODLIMITS" with the following error message:
     ERROR: ORA-32320: REFRESH FAST of "AXIUM"."ODLIMITS" unsupported after container table PMOPs.
After I dropped/re-created both snapshot log in database A and snapshot in database B, the refresh can work for about 1 day, and then fails again after 1day.
The following are the commands to create snapshots and snapshot logs:
(1)In database A: create materialized view log on <tablename> tablespace <tablespacename>;
(2)In database B: create materialized view <tablename> on prebuilt table
        refresh fast
        start with sysdate + 1/288
        enable query rewrite
        as select * from <tablename>@prod;

Thanks a lot for your help,
Luchuan



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Question by:luchuanc
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4 Comments
 
LVL 35

Expert Comment

by:johnsone
ID: 34168242
According to the documentation, that would mean some sort of partition maintenance operation has occurred.  Try using the procedure call listed in the actions to see what was done.


ORA-32320:
REFRESH FAST of "string"."string" unsupported after container table PMOPs
Cause:       A Partition Maintenance Operation (PMOP) has been performed on the materialized view, and no materialized view supports fast refersh after container table PMOPs.
Action:       Use REFRESH COMPLETE. Note: you can determine why your materialized view does not support fast refresh after PMOPs using the DBMS_MVIEW.EXPLAIN_MVIEW() API.
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Author Comment

by:luchuanc
ID: 34168696
Hi johnsone:,
I ran DBMS_MVIEW.EXPLAIN_MVIEW() for this snapshot and another snapshot that has no problem, did comparison. Results look similar for them in mV_CAPABILITIES_TABLE. This snapshot was created using the same command for other snapshots that are all fine.
Thanks,

Luchuan
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LVL 35

Accepted Solution

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johnsone earned 1500 total points
ID: 34172958
According to the message, it has nothing to do with how the snapshot was created.  It has to do with some partition maintenance that was done.
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Author Closing Comment

by:luchuanc
ID: 34219149
Hi,
I ran a refresh complete command in database, and that seems solved problem.
Thanks for your help
Luchuan
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