[GitHub] [incubator-iotdb] SilverNarcissus commented on a change in pull request #303: transform old form to new form and use a parameter to control

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SilverNarcissus commented on a change in pull request #303: transform old form to new form and use a parameter to control
URL: https://github.com/apache/incubator-iotdb/pull/303#discussion_r307570979
 
 

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 File path: spark-tsfile/src/main/scala/org/apache/iotdb/tsfile/package.scala
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 @@ -19,15 +19,23 @@
 
 package org.apache.iotdb
 
-import org.apache.spark.sql.{DataFrame, DataFrameReader, DataFrameWriter}
+import org.apache.spark.sql.{DataFrame, DataFrameReader, DataFrameWriter, SparkSession}
 
 package object tsfile {
-
   /**
     * add a method 'tsfile' to DataFrameReader to read tsfile
     */
   implicit class TsFileDataFrameReader(reader: DataFrameReader) {
-    def tsfile: String => DataFrame = reader.format("org.apache.iotdb.tsfile").load
 
 Review comment:
   I use default parameters for upward compatibility, that is, you can still use spark.read.tsfile("test.tsfile")  to get an old form table

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