So I got this working with the JIRA Misc Custom Fields plugin.
Creating a new custom field (Calculated Number Field), using the following formula in the field description:
<!-- @@Formula: (issue.get("components") != null) ? issue.get("components").size() : 0 -->
For some reason this gave me issues when I configured the field to a specific issue type. When I configured it for Global (all issue types) it showed up in my issue navigator columns, and I can reference the field in the JQL editor.
Sorting the "counted" result is somewhat strange. It seems 0 is greater than any other number. I can live with this though.
As Christian says. You could add a scripted field which calculated the number of components, which you don't need to put on any screens. Not ideal for ad hoc reporting though.
The other thing to do would be to hit the db directly... far from ideal.
Thanks for the reply.
I got a little further with the Calculated Number Field from the JIRA Misc Custom Fields plugin. I used the formula <!-- @@Formula: issue.get("components").size() --> in the field description (as pr. the documentation)
When I go to Issue Navigator -> Configure columns to add my new "count components" field, it will show a 10 issue preview with data, where the count value is shown correctly in the new column.
When I go back to the issue naviagtor, the new column has disappeared. I cannot reference the new field in a JQL query either. So it seems the field is doing what I want - I just cannot get the result where I want it.
I'll keep poking around. Any feedback is much appreciated!
Everything below is tested on Ubuntu 17.10. I prefer to use Jira in a docker container because: 1. I can install Jira with a couple of commands. 2. I can start and stop Jira just by starting and s...
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