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Posted to commits@spark.apache.org by rx...@apache.org on 2014/07/08 23:00:58 UTC

git commit: [SPARK-2409] Make SQLConf thread safe.

Repository: spark
Updated Branches:
  refs/heads/master b520b6453 -> 32516f866


[SPARK-2409] Make SQLConf thread safe.

Author: Reynold Xin <rx...@apache.org>

Closes #1334 from rxin/sqlConfThreadSafetuy and squashes the following commits:

c1e0a5a [Reynold Xin] Fixed the duplicate comment.
7614372 [Reynold Xin] [SPARK-2409] Make SQLConf thread safe.


Project: http://git-wip-us.apache.org/repos/asf/spark/repo
Commit: http://git-wip-us.apache.org/repos/asf/spark/commit/32516f86
Tree: http://git-wip-us.apache.org/repos/asf/spark/tree/32516f86
Diff: http://git-wip-us.apache.org/repos/asf/spark/diff/32516f86

Branch: refs/heads/master
Commit: 32516f866a32d51bfaa04685ae77ba216b4202d9
Parents: b520b64
Author: Reynold Xin <rx...@apache.org>
Authored: Tue Jul 8 14:00:47 2014 -0700
Committer: Reynold Xin <rx...@apache.org>
Committed: Tue Jul 8 14:00:47 2014 -0700

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 .../src/main/scala/org/apache/spark/sql/SQLConf.scala     | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)
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http://git-wip-us.apache.org/repos/asf/spark/blob/32516f86/sql/core/src/main/scala/org/apache/spark/sql/SQLConf.scala
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diff --git a/sql/core/src/main/scala/org/apache/spark/sql/SQLConf.scala b/sql/core/src/main/scala/org/apache/spark/sql/SQLConf.scala
index 95ed0f2..b6fb46a 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/SQLConf.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/SQLConf.scala
@@ -25,7 +25,9 @@ import scala.collection.JavaConverters._
  * SQLConf holds mutable config parameters and hints.  These can be set and
  * queried either by passing SET commands into Spark SQL's DSL
  * functions (sql(), hql(), etc.), or by programmatically using setters and
- * getters of this class.  This class is thread-safe.
+ * getters of this class.
+ *
+ * SQLConf is thread-safe (internally synchronized so safe to be used in multiple threads).
  */
 trait SQLConf {
 
@@ -71,11 +73,9 @@ trait SQLConf {
     Option(settings.get(key)).getOrElse(defaultValue)
   }
 
-  def getAll: Array[(String, String)] = settings.asScala.toArray
+  def getAll: Array[(String, String)] = settings.synchronized { settings.asScala.toArray }
 
-  def getOption(key: String): Option[String] = {
-    Option(settings.get(key))
-  }
+  def getOption(key: String): Option[String] = Option(settings.get(key))
 
   def contains(key: String): Boolean = settings.containsKey(key)