[GitHub] [spark] yaooqinn commented on a change in pull request #27969: [SPARK-31170][SQL][test-hive1.2] Spark SQL Cli should respect hive-site.xml and spark.sql.warehouse.dir

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yaooqinn commented on a change in pull request #27969: [SPARK-31170][SQL][test-hive1.2] Spark SQL Cli should respect hive-site.xml and spark.sql.warehouse.dir
URL: https://github.com/apache/spark/pull/27969#discussion_r397709274
 
 

 ##########
 File path: sql/core/src/main/scala/org/apache/spark/sql/internal/SharedState.scala
 ##########
 @@ -258,4 +223,47 @@ object SharedState extends Logging {
         throw new IllegalArgumentException(s"Error while instantiating '$className':", e)
     }
   }
+
+  /**
+   * Load hive-site.xml into hadoopConf and determine the warehouse path we want to use, based on
+   * the config from both hive and Spark SQL. Finally set the warehouse config value to sparkConf.
+   */
+  def loadHiveConfFile(
+      sparkConf: SparkConf,
+      hadoopConf: Configuration): Boolean = {
+    val hiveWarehouseKey = "hive.metastore.warehouse.dir"
+    val configFile = Utils.getContextOrSparkClassLoader.getResource("hive-site.xml")
+    if (configFile != null) {
+      logInfo(s"loading hive config file: $configFile")
+      // this call actually will override existing configurations from hive-site.xml
+      hadoopConf.addResource(configFile)
 
 Review comment:
   we need hive-site.xml in sparkContext.hadoopConfiguration not just the new fresh hadoopConf

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