alamb commented on issue #12041:
URL: https://github.com/apache/datafusion/issues/12041#issuecomment-2472493625

   > @alamb before I file an issue to arrow-csv, why is "bob" a valid value for 
DictionaryArray? don't you need a key and a value for a dictionary?
   
   I think a more precise version of this would be "bob" is a valid value for 
`DictionaryArray(Int32, Utf8)` -- that is if the dictionary's value type is 
strings (Utf8) then the dictionary should be able to hold string values


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