JQL is not SQL, it is for finding issues, not telling something what to display.
You should be able to construct JQL to find the issues you want to report on, but the real challenge is going to be finding something to show you the data you want from the issues. There is a "time in status" report, which I think will try to tell you something, but I have not found it to be that useful myself.
Hello, Community! My name is Gosia and I'm a Product Manager on Jira Server and Data Center here at Atlassian. Since 2002 when we launched our public issue tracker, jira.atlass...
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