Github user soldiershen commented on the issue:

    https://github.com/apache/spark/pull/13738
  
    Hi guys,I met same issue(spark 1.6.0) when using "val rdd1 = 
hiveContext.sql("select SUBSTR(startjointime,1,10)...  
println(rdd1.collect().toString)"
    but it's normal when using hiveContext.sql("show 
tables").collect().foreach(println)
    For now,is there any solution to make it normal


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