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Status Delivered
Workspace IBM i
Categories Db2 for i
Created by Guest
Created on Mar 26, 2022

RELATED IDEAS

need to define subfield instead of substring for sql function display_journal

qsys2.display_journal returns as a blob a file record format (say: a structure) that include all types of subfields. today, we only can extract CHAR fields with the substring function. example: cast(cast(substring(entry_data, 155, 18) as char(18) for bit data) as char(18) ccsid 37) as ADRES5, hex(cast(substring(entry_data, 173, 2) as char(2) for bit data) ) as ADOLEN, out of the fact the syntax is difficult, the substring cannot return an integer. I would like to use a subfield function instead of substring idea: some sort of pointer logic cast(subfield(entry_data, 155, 18) as char(18) ccsid 37) as ADRES5, cast(subfield(entry_data, 173, 2) as smallint ) as ADOLEN, I'd like to use display_journal of qsys2, sql service is easier than dspjrn. because integration via sql is the prefered way of many available reporting tools. sometimes the only way.
Idea priority Low
  • Guest
    Reply
    |     Apr 8, 2022
    IBM believes that the request described has been solved with the addition of the INTERPRET built-in function.

    This was delivered for IBM i 7.4 with DB PTF Group SF99704 Level 7 and IBM i 7.3 with DB PTF Group SF99703 Level 18.

    Information is available at this link: https://www.ibm.com/support/pages/node/6172749

    IBM i database team
    IBM Power Systems Development
  • Guest
    Reply
    |     Mar 28, 2022

    Take a look at the INTERPRET function. I think it does what you want.

    https://www.ibm.com/docs/en/i/7.3?topic=functions-interpret

    Example:
    INTERPRET(SUBSTR(ENTRY_DATA, 52, 2) AS DECIMAL(3,0))

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