Github user ppadma commented on the issue: https://github.com/apache/drill/pull/757 Thanks Sudheesh, Paul and Arina for the review. Original thought was it is not worth the effort to keep operator table in sync with changes in dynamic UDFs. This option is meant to be used for short running operational queries, which most likely will not need dynamic UDF support (well, at least for now). For long running analytic queries, this is not considered an issue. However, I am looking into implementing Sudheesh's suggestion. I will provide an update soon.
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