IBM Data and AI Ideas Portal for Customers


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Status Delivered
Workspace Db2
Components Application Development
Created by Guest
Created on Apr 19, 2018

RELATED IDEAS

Request for SKIP LOCKED DATA for DB2 LUW

Our products are implemented in all 3 relational databases. We are converting the current application level lock handling into database level locks. In one scenario, the application looks to fail when it is not able to get the required lock in the database.

Both Oracle and SQL SERVER have the NOWAIT clause on the SELECT FOR UPDATE, in-case there is a lock held by other sessions, they terminate. The application is trying to mimic this scenario and I am unable to implement a equivalent at all in DB2.

I had a look at the SKIP LOCKED DATA option, but this is only available in the DB2 ZOS. It will help to get the SKIP LOCKED DATA clause in DB2 LUW, with this our application will be in a place to use result from this to proceed forward.
  • Guest
    Reply
    |     Jan 14, 2022

    We delivered SKIP LOCK DATA in 11.5.4. And NOWAIT as well as WAIT <seconds> in 11.5.6

  • Guest
    Reply
    |     Apr 29, 2021

    Please consider this important feature for DB2 LUW, the absence of SKIP LOCKED DATA results for sure in huge performance issues and architecture design modification at many places with modern architectures. At least for systems that make use of this feature on Oracle, SQL Server, PostgreSQL it is a blocker to support DB2 LUW as well.

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