spark git commit: Fixed typo in sql.functions

[sr...@apache.org]

Repository: spark
Updated Branches:
  refs/heads/master 9f4ff9552 -> 3a840048e


Fixed typo in sql.functions

## What changes were proposed in this pull request?

I fixed a typo in the Scaladoc for the method `def struct(cols: Column*): Column`. 'retained' was misspelt as 'remained'.

## How was this patch tested?
Before:

Creates a new struct column.
   If the input column is a column in a `DataFrame`, or a derived column expression
   that is named (i.e. aliased), its name would be **remained** as the StructField's name,
   otherwise, the newly generated StructField's name would be auto generated as
   `col` with a suffix `index + 1`, i.e. col1, col2, col3, ...

After:

   Creates a new struct column.
   If the input column is a column in a `DataFrame`, or a derived column expression
   that is named (i.e. aliased), its name would be **retained** as the StructField's name,
   otherwise, the newly generated StructField's name would be auto generated as
   `col` with a suffix `index + 1`, i.e. col1, col2, col3, ...

Author: sujithjay <su...@logistimo.com>

Closes #18254 from sujithjay/fix-typo.


Project: http://git-wip-us.apache.org/repos/asf/spark/repo
Commit: http://git-wip-us.apache.org/repos/asf/spark/commit/3a840048
Tree: http://git-wip-us.apache.org/repos/asf/spark/tree/3a840048
Diff: http://git-wip-us.apache.org/repos/asf/spark/diff/3a840048

Branch: refs/heads/master
Commit: 3a840048ed3501e06260b7c5df18cc0bbdb1505c
Parents: 9f4ff95
Author: sujithjay <su...@logistimo.com>
Authored: Sun Jun 11 18:23:57 2017 +0100
Committer: Sean Owen <so...@cloudera.com>
Committed: Sun Jun 11 18:23:57 2017 +0100

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 sql/core/src/main/scala/org/apache/spark/sql/functions.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/spark/blob/3a840048/sql/core/src/main/scala/org/apache/spark/sql/functions.scala
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diff --git a/sql/core/src/main/scala/org/apache/spark/sql/functions.scala b/sql/core/src/main/scala/org/apache/spark/sql/functions.scala
index 8d0a8c2..8d2e1f3 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/functions.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/functions.scala
@@ -1210,7 +1210,7 @@ object functions {
   /**
    * Creates a new struct column.
    * If the input column is a column in a `DataFrame`, or a derived column expression
-   * that is named (i.e. aliased), its name would be remained as the StructField's name,
+   * that is named (i.e. aliased), its name would be retained as the StructField's name,
    * otherwise, the newly generated StructField's name would be auto generated as
    * `col` with a suffix `index + 1`, i.e. col1, col2, col3, ...
    *


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