diff options
Diffstat (limited to 'sql/core')
-rw-r--r-- | sql/core/src/main/scala/org/apache/spark/sql/SQLConf.scala | 10 |
1 files changed, 5 insertions, 5 deletions
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 64b950331e..7c93de3e38 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 { @@ -54,11 +56,9 @@ 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) |