Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/17379#discussion_r108562157
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/internal/SessionState.scala ---
@@ -37,38 +37,42 @@ import
org.apache.spark.sql.util.ExecutionListenerManager
/**
* A class that holds all session-specific state in a given
[[SparkSession]].
*
- * @param sparkContext The [[SparkContext]].
- * @param sharedState The shared state.
+ * @param sharedState The state shared across sessions, e.g. global view
manager, external catalog.
* @param conf SQL-specific key-value configurations.
- * @param experimentalMethods The experimental methods.
+ * @param experimentalMethods Interface to add custom planning strategies
and optimizers.
* @param functionRegistry Internal catalog for managing functions
registered by the user.
+ * @param udf Interface exposed to the user for registering user-defined
functions.
* @param catalog Internal catalog for managing table and database states.
* @param sqlParser Parser that extracts expressions, plans, table
identifiers etc. from SQL texts.
* @param analyzer Logical query plan analyzer for resolving unresolved
attributes and relations.
* @param optimizer Logical query plan optimizer.
* @param planner Planner that converts optimized logical plans to
physical plans
* @param streamingQueryManager Interface to start and stop streaming
queries.
+ * @param listenerManager Interface to register custom
+ *
[[org.apache.spark.sql.util.QueryExecutionListener]]s
+ * @param resourceLoader Session shared resource loader to load JARs,
files, etc
* @param createQueryExecution Function used to create QueryExecution
objects.
* @param createClone Function used to create clones of the session state.
*/
private[sql] class SessionState(
- sparkContext: SparkContext,
sharedState: SharedState,
val conf: SQLConf,
val experimentalMethods: ExperimentalMethods,
val functionRegistry: FunctionRegistry,
+ val udf: UDFRegistration,
--- End diff --
udf -> udfRegistration
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