[GitHub] [druid] gianm commented on issue #13950: Discrepancy with null in APPROX_COUNT_DISTINCT_BUILTIN between MSQ and native

["gianm (via GitHub)" <gi...@apache.org>]

gianm commented on issue #13950:
URL: https://github.com/apache/druid/issues/13950#issuecomment-1507804594

   In working on #14046, I find that this is still an issue, so I'm reopening it. Let me know if I missed something. I added a test case in #14085 that illustrates what I believe the cause is. (An issue with the HyperLogLogCollector when it runs on empty strings, which can get passed into it in SQL-compatible mode.)


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