[GitHub] [spark] gatorsmile commented on a change in pull request #27839: [SPARK-31086][SQL] Add Back the Deprecated SQLContext methods

[GitBox <gi...@apache.org>]

gatorsmile commented on a change in pull request #27839: [SPARK-31086][SQL] Add Back the Deprecated SQLContext methods
URL: https://github.com/apache/spark/pull/27839#discussion_r395435576
 
 

 ##########
 File path: sql/core/src/main/scala/org/apache/spark/sql/SQLContext.scala
 ##########
 @@ -611,6 +611,289 @@ class SQLContext private[sql](val sparkSession: SparkSession)
     sessionState.catalog.listTables(databaseName).map(_.table).toArray
   }
 
+  ////////////////////////////////////////////////////////////////////////////
+  ////////////////////////////////////////////////////////////////////////////
+  // Deprecated methods
+  ////////////////////////////////////////////////////////////////////////////
+  ////////////////////////////////////////////////////////////////////////////
+
+  /**
+   * @deprecated As of 1.3.0, replaced by `createDataFrame()`.
+   */
+  @deprecated("Use createDataFrame instead.", "1.3.0")
 
 Review comment:
   At least these Spark books are still using this API in their examples, although the first two claims they are updated using Spark 2.x
   
   - https://www.amazon.com/Mastering-Apache-Spark-2-x-DeepLearning4j/dp/1786462745/ref=sr_1_4?keywords=mastering+Apache+Spark&qid=1584678721&s=books&sr=1-4
   - https://www.manning.com/books/spark-in-action
   - http://shop.oreilly.com/product/0636920028512.do [first edition]
   
   

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