review comments

Author: dilipbiswal

core/src/main/scala/org/apache/spark/internal/config/ConfigBuilder.scala

@@ -147,7 +147,7 @@ private[spark] class TypedConfigBuilder[T](
     }
   }
 
-  /** Creates a [[ConfigEntry]] with a function has a default value */
+  /** Creates a [[ConfigEntry]] with a function to determine the default value */
   def createWithDefaultFunction(defaultFunc: () => T): ConfigEntry[T] = {
     val entry = new ConfigEntryWithDefaultFunction[T](parent.key, defaultFunc, converter,
       stringConverter, parent._doc, parent._public)

core/src/test/scala/org/apache/spark/internal/config/ConfigEntrySuite.scala

@@ -17,7 +17,6 @@
 
 package org.apache.spark.internal.config
 
-import java.util.TimeZone
 import java.util.concurrent.TimeUnit
 
 import org.apache.spark.{SparkConf, SparkFunSuite}
@@ -52,8 +51,6 @@ class ConfigEntrySuite extends SparkFunSuite {
     assert(conf.get(dConf) === 20.0)
   }
 
-
-
   test("conf entry: boolean") {
     val conf = new SparkConf()
     val bConf = ConfigBuilder(testKey("boolean")).booleanConf.createWithDefault(false)
@@ -258,7 +255,7 @@ class ConfigEntrySuite extends SparkFunSuite {
   test("conf entry : default function") {
     var data = 0
     val conf = new SparkConf()
-    val iConf = ConfigBuilder(testKey("int")).intConf.createWithDefaultFunction(() => data)
+    val iConf = ConfigBuilder(testKey("intval")).intConf.createWithDefaultFunction(() => data)
     assert(conf.get(iConf) === 0)
     data = 2
     assert(conf.get(iConf) === 2)

sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala

@@ -752,7 +752,7 @@ object SQLConf {
     buildConf("spark.sql.session.timeZone")
       .doc("""The ID of session local timezone, e.g. "GMT", "America/Los_Angeles", etc.""")
       .stringConf
-      .createWithDefaultFunction(() => TimeZone.getDefault().getID())
+      .createWithDefaultFunction(() => TimeZone.getDefault.getID)
 
   val WINDOW_EXEC_BUFFER_SPILL_THRESHOLD =
     buildConf("spark.sql.windowExec.buffer.spill.threshold")