RuntimeConfig -- Management Interface of Runtime Configuration¶

RuntimeConfig is the <> of the <>.

[[methods]] .RuntimeConfig API [cols="1,2",options="header",width="100%"] |=== | Method | Description

| <> a|

[source, scala]¶

get(key: String): String get(key: String, default: String): String

| <> a|

[source, scala]¶

getAll: Map[String, String]¶

| <> a|

[source, scala]¶

getOption(key: String): Option[String]¶

| isModifiable a| [[isModifiable]]

[source, scala]¶

isModifiable(key: String): Boolean¶

(New in 2.4.0)

| <> a|

[source, scala]¶

set(key: String, value: Boolean): Unit set(key: String, value: Long): Unit set(key: String, value: String): Unit

| <> a|

[source, scala]¶

unset(key: String): Unit¶

|===

RuntimeConfig is available using the <> attribute of a SparkSession.

[source, scala]¶

scala> :type spark org.apache.spark.sql.SparkSession

scala> :type spark.conf org.apache.spark.sql.RuntimeConfig

.RuntimeConfig, SparkSession and SQLConf image::images/spark-sql-RuntimeConfig.png[align="center"]

RuntimeConfig is <> exclusively when SparkSession is requested for <>.

[[sqlConf]] [[creating-instance]] RuntimeConfig takes a SQLConf when created.

=== [[get]] get Method

[source, scala]¶

get(key: String): String get(key: String, default: String): String

get...FIXME

NOTE: get is used when...FIXME

=== [[getAll]] getAll Method

[source, scala]¶

getAll: Map[String, String]¶

getAll...FIXME

NOTE: getAll is used when...FIXME

=== [[getOption]] getOption Method

[source, scala]¶

getOption(key: String): Option[String]¶

getOption...FIXME

NOTE: getOption is used when...FIXME

=== [[set]] set Method

[source, scala]¶

set(key: String, value: Boolean): Unit set(key: String, value: Long): Unit set(key: String, value: String): Unit

set...FIXME

NOTE: set is used when...FIXME

=== [[unset]] unset Method

[source, scala]¶

unset(key: String): Unit¶

unset...FIXME

NOTE: unset is used when...FIXME