xuetao created SPARK-23126:
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             Summary: I used the Project operator and modified the source. 
After compiling successfully, and testing the jars, I got the exception. Maybe 
the phenomenon is related with implicits
                 Key: SPARK-23126
                 URL: https://issues.apache.org/jira/browse/SPARK-23126
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 2.2.0
         Environment: Centos
            Reporter: xuetao
             Fix For: 2.2.0


I used the Project operator and modified the source. After compiling 
successfully, and testing the jars, I got the exception as follow:

org.apache.spark.sql.AnalysisException: Try to map 
struct<age:bigint,name:string> to Tuple3, but failed as the number of fields 
does not line up.;



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