for Java compatibility

apache · Feb 26, 2015 · bb54537 · bb54537
1 parent d7acc18
commit bb54537
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/sql/core/src/main/scala/org/apache/spark/sql/DataFrame.scala b/sql/core/src/main/scala/org/apache/spark/sql/DataFrame.scala
@@ -299,6 +299,11 @@ class DataFrame protected[sql](
    */
   def show(numRows: Int = 20): Unit = println(showString(numRows))
 
+  /**
+   * Displays the [[DataFrame]] in a tabular form. (For Java compatibility)
+   */
+  def show(): Unit = println(showString(20))
+
   /**
    * Cartesian join with another [[DataFrame]].
    *

diff --git a/sql/core/src/test/java/test/org/apache/spark/sql/JavaDataFrameSuite.java b/sql/core/src/test/java/test/org/apache/spark/sql/JavaDataFrameSuite.java
@@ -85,7 +85,7 @@ public void testVarargMethods() {
   @Test
   public void testShow() {
     DataFrame df = context.table("testData");
-    df.show(10);
+    df.show();
     df.show(1000);
   }
 }