[GitHub] [druid] somu-imply commented on pull request #13764: Fixing a data correctness issue in unnest when first row of an MVD is null

["somu-imply (via GitHub)" <gi...@apache.org>]

somu-imply commented on PR #13764:
URL: https://github.com/apache/druid/pull/13764#issuecomment-1422987126

   @imply-cheddar it is the other way round the previous was 
   ```
   select * from mytest1, unnest(mv_to_array(c2)) as unnested(c3)
   
   __time c1 c2 c3
   2022-01-01T00:00:00.000Z 1 null null
   2022-01-01T00:00:00.000Z 2 ["A","B","C"] null
   ```
   Which was incorrect. This was changed to be be the correct one 


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