I have a project with 654 issues. The product owner has tagged 105 of those issues with a certain keyword, with "keyword(s)" being a custom field on our local JIRA instance that accepts any space-delimited string. (Please don't ask why we don't just use the JIRA "labels" field.)
This query returns the expected 654 results:
project = "MyProj"
And this query returns the expected 105 results:
project = "MyProj" and "keyword(s)" in (MyKey)
However, I can't seem to return the inverse, which should be the 549 issues without MyKey. The query
project = "MyProj" and "keyword(s)" NOT in (MyKey)
returns 173 hits. Any ideas?