yaooqinn commented on a change in pull request #28316:
URL: https://github.com/apache/spark/pull/28316#discussion_r414253520
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/SparkSessionBuilderSuite.scala
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@@ -168,4 +168,33 @@ class SparkSessionBuilderSuite extends SparkFunSuite with
BeforeAndAfterEach {
assert(session.sessionState.conf.getConfString("spark.app.name") ===
"test-app-SPARK-31234")
assert(session.sessionState.conf.getConf(GLOBAL_TEMP_DATABASE) ===
"globaltempdb-spark-31234")
}
+
+ test("SPARK-31532: should not propagate static sql configs to the existing" +
+ " active/default SparkSession") {
+ val session = SparkSession.builder()
Review comment:
I add a new test for such a case, that is, if SparkContext instance
exists but no SparkSession exists, then the static configs remain changeable
before SparkSession is finally created.
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