szlta opened a new pull request #2557:
URL: https://github.com/apache/hive/pull/2557


   Time is a valid type in Iceberg but not in Hive. In Hive it is represented 
as a string type column, while (at least if ORC is used as underlying file 
format) long type is written out to data files.
   
   This requires translation two times: long@ORC -> LocalDate@Iceberg -> 
toString()@Hive and it works well for non vectorized reads, but when 
vectorization is turned on, we will get:
   
   org.apache.hadoop.hive.ql.exec.vector.BytesColumnVector cannot be cast to 
org.apache.hadoop.hive.ql.exec.vector.LongColumnVector 
   
   Thus for now, time type is not supported with vectorization, and the 
relevant test cases should be ignored in such test configs.


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