[GitHub] [spark] cloud-fan commented on a change in pull request #27792: [SPARK-31038][SQL] Add checkValue for spark.sql.session.timeZone

[GitBox <gi...@apache.org>]

cloud-fan commented on a change in pull request #27792: [SPARK-31038][SQL] Add checkValue for spark.sql.session.timeZone
URL: https://github.com/apache/spark/pull/27792#discussion_r387765158
 
 

 ##########
 File path: sql/core/src/test/scala/org/apache/spark/sql/internal/SQLConfSuite.scala
 ##########
 @@ -348,4 +348,24 @@ class SQLConfSuite extends QueryTest with SharedSparkSession {
     }
     check(config2)
   }
+
+  test("spark.sql.session.timeZone should only accept valid zone id") {
+    spark.conf.set(SQLConf.SESSION_LOCAL_TIMEZONE.key, "MIT")
+    assert(sql(s"set ${SQLConf.SESSION_LOCAL_TIMEZONE.key}").head().getString(1) === "MIT")
+    spark.conf.set(SQLConf.SESSION_LOCAL_TIMEZONE.key, "America/Chicago")
+    assert(sql(s"set ${SQLConf.SESSION_LOCAL_TIMEZONE.key}").head().getString(1) ===
+      "America/Chicago")
+
+    intercept[IllegalArgumentException] {
+      spark.conf.set(SQLConf.SESSION_LOCAL_TIMEZONE.key, "pst")
+    }
+    intercept[IllegalArgumentException] {
+      spark.conf.set(SQLConf.SESSION_LOCAL_TIMEZONE.key, "GMT+8:00")
+    }
+    intercept[IllegalArgumentException] {
+      spark.conf.set(SQLConf.SESSION_LOCAL_TIMEZONE.key, "Asia/shanghai")
+    }
+
+
 
 Review comment:
   remove extra blank lines

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