DB polling using custom SQL in SOA Suite 11g

Hi,
We are trying to poll records from a database using custom sql. But all the records in the table are being picked up at the same time and not as per the polling frequency set in the adapter.
Below is the configuration from the .jca file:
<endpoint-activation portType="II_ptt" operation="receive">
<activation-spec className="oracle.tip.adapter.db.DBActivationSpec">
<property name="DescriptorName" value="II.OrderRequest"/>
<property name="QueryName" value="IISelect"/>
<property name="MappingsMetaDataURL" value="II-or-mappings.xml"/>
<property name="PollingStrategy" value="DeletePollingStrategy"/>
<property name="PollingInterval" value="60"/>
<property name="MaxRaiseSize" value="10"/>
<property name="MaxTransactionSize" value="10"/>
<property name="SequencingColumn" value="REQUEST_SAK"/>
<property name="NumberOfThreads" value="1"/>
<property name="ReturnSingleResultSet" value="false"/>
<property name="DeleteDetailRows" value="false"/>
</activation-spec>
</endpoint-activation>
Please let us know if anything else needs to be set to enable the polling as per the frequency in the adapter.
Thanks.

As the link from Anuj said, you need to also configure 'Distributed Polling' in the wizard. This speed limit trick will no longer work out of the box in 11.1.1.3 on, you will also have to set usesSkipLocking="false" in your DbAdapter connection pool definition. Skip locking eliminates the locking contention issue, so this primitive kind of load balancing is no longer needed in that case.
Thanks
Steve

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Hi,
I am using Oralce SOA Suite 11g DbAdapter for polling Database changes.
My source database is DB2,I am using custom query for polling the changes in source database.
I am using "Update an External Sequencing Table on a Different Database" polling Strategy
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<queries>
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</queries>
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Could not create/access the TopLink Session.
This session is used to connect to the datastore.
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Could not find Named Query [ReceiveSampleCustomPollSelect] with ? arguments, belonging to Descriptor [ReceiveSampleCustomPoll.F554102T] for [oracle.tip.adapter.db.DBActivationSpec@2ec733b0] inside of mappings xml file: [ReceiveSampleCustomPoll-or-mappings.xml].
You may have changed the queryName info in either the _db.jca or toplink-mappings.xml files so that they no longer match.
Make sure that the queryName in the activation/interactionSpec and in the Mappings.xml file match. If an old version of the descriptor has been loaded by the database adapter, you may need to bounce the app server. If the same descriptor is described in two separate Mappings.xml files, make sure both versions include this named query.
You may need to configure the connection settings in the deployment descriptor (i.e. DbAdapter.rar#META-INF/weblogic-ra.xml) and restart the server. This exception is considered not retriable, likely due to a modelling mistake. This polling process will shut down, unless the fault is related to processing a particular row, in which case polling will continue but the row will be rejected (faulted).
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     at oracle.tip.adapter.db.exceptions.DBResourceException.createEISException(DBResourceException.java:619)
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     at oracle.tip.adapter.db.InboundWork.run(InboundWork.java:526)
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Help required to fit custom SQL in mapping.xml file for complex queries.
Thanks,
Arun Jadhav.

"Execuite Custom SQL" in DB adapter and you'l get it.
But in this case you'll have to implement your own polling strategy (if you need one).
If you want to use one of the predefined polling strategy you should use "Poll for New or Changed records" and import all the tables you use and connect them in wizard.

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typo error

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[http://www.oracle.com/technology/obe/fusion_middleware/fusion/soa/BPEL_PS848/OBE_PSFT_BPEL_848.htm]
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