Or-queries for groups in Historic Tasks connected by AND

[ThorbenLindhauer]

This issue was imported from JIRA:

Field	Value
JIRA Link	CAM-11666
Reporter	DmkbVNk What is this name? This pseudonym name was generated based on the user name in JIRA to protect the personal data of our JIRA users. You can use this identifier to search for issues by the same reporter.
Has restricted visibility comments	true

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Scenario:

• Create two tasks, one with candidate group foo, the other with candidate user bar
• Run the following historic task query:

  historyService.createHistoricTaskInstanceQuery()
      .or()
        .taskHadCandidateGroup("foo")
        .taskHadCandidateUser("bar")
      .endOr();

Current behavior:

• no task is returned

Exptected behavior:

• both tasks are returned

Root cause:

• Identity link filters are always combined with and: https://github.com/camunda/camunda-bpm-platform/blob/7.13.0-alpha5/engine/src/main/resources/org/camunda/bpm/engine/impl/mapping/entity/HistoricTaskInstance.xml#L317-L330

Notes:

• A failing test case is on branch https://github.com/camunda/camunda-bpm-platform/tree/CAM-11666-hist-task-or-query

Links:

• is related to https://jira.camunda.com/browse/CAMTEAM-76

[ThorbenLindhauer]

This comment was imported from JIRA and written by user @tmetzke

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Hi DmkbVNk,

thanks for opening that bug report, we'll look into this and try to reproduce it. Meanwhile, I changed the priority to "Default" since the other levels are only valid for Enterprise Support issues.

We'll keep you posted on this.

Best, Tobias

[ThorbenLindhauer]

This comment was imported from JIRA and written by user @tmetzke

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Hi DmkbVNk,

I can confirm that behavior and moved this ticket forward for further evaluation. Thanks again for reporting this.

Best, Tobias

[ThorbenLindhauer]

This comment was imported from JIRA and written by user @ThorbenLindhauer

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Dear DmkbVNk,

Please excuse my late reponse. As we have currently other priorities we cannot schedule fixing this bug as of now. If you would like to contribute a fix, please let us know and we will gladly assist you.

Cheers, Thorben