[GitHub] spark pull request: [SPARK-11679][SQL] Invoking method " apply(fie...

[jackieMaKing <gi...@git.apache.org>]

Github user jackieMaKing commented on the pull request:

    https://github.com/apache/spark/pull/9649#issuecomment-156308518
  
    Call toArray(T[] a) in Java List to cast List to a specific type Array, thus I create a zero-length array. @srowen what do you mean, better to create an array with the same length of the list to pass to toArray? Like this "StructType(fields.toArray(new Array[StructField](fields.size())))"


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