alamb commented on issue #13065:
URL: https://github.com/apache/datafusion/issues/13065#issuecomment-2432696666

   > It is probably happens when users utilize only physical planner, although 
there are schema alignments that happening on logical planner?
   
   There are two classes of errors we have seen so far in InfluxDB:
   1. Null declarations as predicated by @comphead 
   2. Metadata mismatches (metadata is dropped by some physical optimizer)
   
   I believe delta-rs is also seeing field name mismatches (e.g. the embedded 
fieldname on `ListArray` is `"item"` vs `"element"` or something)


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