I got an exception when I used spark to read tsfile 
such like this :
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java.lang.UnsupportedOperationException: Unsupported type VECTOR
  at 
org.apache.iotdb.spark.tsfile.WideConverter$$anonfun$toSqlField$1.apply(WideConverter.scala:219)
  at 
org.apache.iotdb.spark.tsfile.WideConverter$$anonfun$toSqlField$1.apply(WideConverter.scala:211)


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I found it in source code 


but the tsfile's datatype that I used just include double and text type  in 
iotdb 。  I didn't know why throw that UnsupportedOperationException. who can 
help me thanks

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