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Status Delivered
Workspace IBM i
Created by Guest
Created on Nov 7, 2016

Add send and receive program to API QMHOLHST

Some information is missing in the data returned by the API QMHOLHST:
Sending and receiving program names and instructions.

The information is already present in the QHST database file in record type 0001 in position 81 to 110, so it should be easy to add this to the data received from QMHOLHST.

Use Case:

When the API is used for log analysis...

Idea priority Medium
  • Guest
    Dec 19, 2022
    Two new fields have been added to the HSTL0100 format for QMHOLHST API.

    The "From program" and the "From program instruction number" have been added to the structure beginning at offset 128.

    The full layout can be found in the APIs section of IBM Documentation -

    The PTF's are as follows:
    7.4 - SI80667
    7.5 - SI80668

    IBM Power Systems Development
  • Guest
    May 4, 2020

    This RFE is still being considered for a future enhancement, but because it is lower priority it has not yet been completed.

  • Guest
    Oct 11, 2017

    Due to processing by IBM, this request was reassigned to have the following updated attributes:
    Brand - Servers and Systems Software
    Product family - Power Systems
    Product - IBM i
    Component - Work Management and Messaging
    Operating system - IBM i
    Source - None

    For recording keeping, the previous attributes were:
    Brand - Servers and Systems Software
    Product family - Power Systems
    Product - IBM i
    Component - Application Development
    Operating system - IBM i
    Source - None

  • Guest
    Nov 8, 2016

    The sending program name (or "From" program) is available and we could consider adding this to the QMHOLHST API.

    There is no receiving program for messages sent to QHST. You can send a message to a program or to a message queue, but not both. Messages sent to the history log are sent to a message queue instead of a program so there is no receiving program (or "To" program) as there is with job log messages.

    There is an SQL table function available in 7.2 and 7.3 called HISTORY_LOG_INFO that does return the sending program (FROM_PROGRAM). This table function could be used instead of the QMHOLHST API since is has most of the same information available. For more information on using this table function go to this page in the IBM i Knowledge Center -->
    This SQL service is new as of the November 2016 Technology refresh, and requires PTF SF99703 Level 3 on 7.3 and SF99702 Level 14 on 7.2. Please go to to find the latest information on IBM i Technology refresh content and information.


Include all missing information in QMHOLHST API Output (e.g., FROM PROGRAM)

The QMHOLHST API allows us to get messages recorded in QHST (aka the Log). However, some information that is displayed when using the DSPLOG CL command is not being returned. The FROM PROGRAM name and the Time Zone are two such missing pieces of i...
about 2 years ago in IBM i / Core OS 1 Delivered