PyRSA commented on PR #8561:
URL: https://github.com/apache/paimon/pull/8561#issuecomment-4954479665
> `When configuring an empty delimiter in listagg distinguish, it will
directly throw 'ValueError: empty separator'. An empty string is a valid
configuration, and all 14 tests have passed, but it does not cover this
boundary; The minimum use case has been stably reproduced.
Thanks for catching this. Python's str.split("") raises ValueError, while an
empty delimiter is a valid configuration. I've updated the implementation to
handle this case consistently with the Java behavior and added a test to cover
this boundary.
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