From d9a8bae77826a0cc77df29d85883e914d0f0b4f3 Mon Sep 17 00:00:00 2001 From: Paul Power Date: Mon, 2 Mar 2015 13:08:47 -0800 Subject: [DOCS] Refactored Dataframe join comment to use correct parameter ordering The API signatire for join requires the JoinType to be the third parameter. The code examples provided for join show JoinType being provided as the 2nd parater resuling in errors (i.e. "df1.join(df2, "outer", $"df1Key" === $"df2Key") ). The correct sample code is df1.join(df2, $"df1Key" === $"df2Key", "outer") Author: Paul Power Closes #4847 from peerside/master and squashes the following commits: ebc1efa [Paul Power] Merge pull request #1 from peerside/peerside-patch-1 e353340 [Paul Power] Updated comments use correct sample code for Dataframe joins --- sql/core/src/main/scala/org/apache/spark/sql/DataFrame.scala | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'sql') 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 index 060ab5e9a0..f3aac0826a 100644 --- a/sql/core/src/main/scala/org/apache/spark/sql/DataFrame.scala +++ b/sql/core/src/main/scala/org/apache/spark/sql/DataFrame.scala @@ -337,11 +337,11 @@ class DataFrame protected[sql]( * {{{ * // Scala: * import org.apache.spark.sql.functions._ - * df1.join(df2, "outer", $"df1Key" === $"df2Key") + * df1.join(df2, $"df1Key" === $"df2Key", "outer") * * // Java: * import static org.apache.spark.sql.functions.*; - * df1.join(df2, "outer", col("df1Key") === col("df2Key")); + * df1.join(df2, col("df1Key").equalTo(col("df2Key")), "outer"); * }}} * * @param right Right side of the join. -- cgit v1.2.3