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      request #35818 XML Import breaks the expert query on empty string
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    #35818
    Guilhem Bonnefille (CS) (gbonnefille)
    2024-02-09 13:11
    2024-01-04 18:19
    37411
    Details
    XML Import breaks the expert query on empty string

    Steps to reproduce

    • Create a tracker from the Bugs template.
    • Create 2 items, 1 without adding details, 1 with details
    • Requesting details = '' only select the 1 item.

    Then :

    • export the tracker
    • in the project.xml, remove all reference to field_change on detail where data is empty
    • change the tracker's name+id
    • import the tracker

    Finally, in this new tracker, the request details = '' does not return anything.

    Additional information

    In my investigations, I noticed the expert query is made against the ChangeSets. And, effectively, in such situation, the ChangeSet does not have the field details=''.

    In real world, the XML import file was generated by an internal migration tool. And in this tool, we did not generate field_change for string with empty value. Based on the code, this is explicit, but I don't remember WHY (bad commit message).

    Import | Export
    15.2
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    • [ ] enhancement
    • [ ] internal improvement
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    Follow-ups

    User avatar
    Guilhem Bonnefille (CS) (gbonnefille)2024-02-09 11:40

    I think I found a solution, with tuleap-cli and jq:

    tuleap-cli -s tuleap.example.com -u admin -P trackers --id 42 artifacts --values all |   jq '{id,"value":((.values[]|select(.field_id == 1550))//"not-found")}|select (.value == "not-found")|.id'

    Now I have the id of the affected artifacts... I need to fix them.

    User avatar
    Guilhem Bonnefille (CS) (gbonnefille)2024-02-09 10:36

    Thanks for the feedback. Yes, of course, it's not great to deal with the DB directly. But I didn't find any other solution.

    One solution would be to use the Mass Update to reset these fields. I have to find a way to select these artifacts.

    User avatar
    Nicolas Terray (nterray)2024-02-09 10:17

    Your solution looks like OK.

    However we don't like much when users manipulate directly the database, do it at your own risk.

    User avatar
    Guilhem Bonnefille (CS) (gbonnefille)2024-02-07 17:23

    @vaceletm in order to mitigate the situation, I imagine to correct the database directly. But I'm not really confident with such change, so I request your review.

    I understood the matter is the lack of empty value for the related field (type=string). So I plan to add this value to the last_changeset. In order to do this, I imagine to:

    • add a new entry in tracker_changeset_value
    • add a new entry in tracker_changeset_value_text directly via SQL command.

    Is it OK? Do I miss something?