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Status Functionality already exists
Workspace IBM i
Categories Db2 for i
Created by Guest
Created on May 23, 2024

Enhance IBM DB2 SQL triggering to allow running the triggering action in async mode to improve system performance

This is useful for non critical batch run update for huge size file to shorten the program run time.   

Idea priority Urgent
  • Guest
    Jun 10, 2024
    IBM believes that Db2 for i already supports async mode within database triggers. It is up to the author of the trigger to determine when this type of solution is appropriate.

    Two examples of how to implement async mode are:
    1) The trigger program uses CALL QSYS2.QCMDEXC(?QSYS/SBMJOB ??); to start a batch job. The CL command in the batch job can be RUNSQL or RUNSQLSTM. In such cases it is sometimes easiest to use an SQL procedure to contain the async logic, and use the CALL (SQL) statement within the batch job.
    2) The trigger program initiates the async processing by sending data to a data queue. A separate job receives the packet and implements the async steps.

    Db2 for i development team
    IBM Power Systems Development