nono opened a new pull request #1011: Allow to use $or with a mango JSON index URL: https://github.com/apache/couchdb/pull/1011 ## Overview Since #816, mango JSON index on compound fields can be selected only if the selector make sure that all the fields listed in the index are always present. This commit add a special case where all clauses of an `$or` can ensure that a field is present. For instance, if I had an index: ``` [A, B] ``` is_usable would now return true for the selector: ```json { "A": "foo", "$or": { "B": "bar", "B": "baz" } } ``` ## Testing recommendations Run the mango test suite. Manually run some mango queries with/without JSON indexes and check that the results are as expected. ## Related Issues or Pull Requests - #816 ## Checklist - [ ] Code is written and works correctly; - [ ] Changes are covered by tests; - [ ] Documentation reflects the changes;
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