This was originally implemented, but the implementation (silently) yielded incorrect results, so it was removed out of precaution in https://github.com/aiidateam/aiida-core/pull/6497
When implementing it, special attention should be paid to it functioning properly in combination with the negation operator and in combination with other filter operations.
This was originally implemented, but the implementation (silently) yielded incorrect results, so it was removed out of precaution in https://github.com/aiidateam/aiida-core/pull/6497 When implementing it, special attention should be paid to it functioning properly in combination with the negation operator and in combination with other filter operations.