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  1. Moodle
  2. MDL-82464

Implement callback support for column "count" aggregation method

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    • Icon: Improvement Improvement
    • Resolution: Unresolved
    • Icon: Minor Minor
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    • 4.5
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      This issue is to add column callback support to the 'count' aggregation method. For context, we added the same for the 'sum' and 'avg' methods in this change from MDL-75191

      This request fulfils a real use case in MDL-82455, because since system reports now support native column aggregation, they may also need a means to format the column output on display via callbacks (in that case, wrap the count value in a link)

      This has little value in custom reports, and in fact would likely be quite confusing, so we need to carefully define how this would work. I've also created MDL-82463 to evaluate and improve all other numeric column types to ensure we don't inadvertently change their behaviour

      (Adding to MDL-84719 epic because this allow for improved native aggregation performance, instead of using derived table joins/sub-selects)

            pholden Paul Holden
            pholden Paul Holden
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