this method converts the data to a byte array and returns the size of the byte array as an estimation of the size of the partition . concode_field_sep PlaceHolder placeHolder concode_field_sep java.util.ArrayList<java.lang.Object> chunkSizes concode_elem_sep boolean closePartition concode_elem_sep java.nio.file.Path path concode_elem_sep java.util.ArrayList<org.apache.spark.sql.catalyst.expressions.Row> data concode_elem_sep void closeInput concode_elem_sep boolean inputClosed concode_elem_sep void spillPartitionToDisk concode_elem_sep java.io.InputStream inStream concode_elem_sep void insert concode_elem_sep java.io.OutputStream outStream concode_elem_sep boolean writtenToDisk concode_elem_sep scala.collection.Iterator<org.apache.spark.sql.catalyst.expressions.Row> getData
int function ( ) { throw new RuntimeException ( ) ; }