zsxwing commented on a change in pull request #26187: [SPARK-29530][SQL] Reset
active SparkSession before parse sql in SparkSession
URL: https://github.com/apache/spark/pull/26187#discussion_r336867456
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File path: sql/core/src/main/scala/org/apache/spark/sql/SparkSession.scala
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@@ -600,6 +600,7 @@ class SparkSession private(
* @since 2.0.0
*/
def sql(sqlText: String): DataFrame = {
+ SparkSession.setActiveSession(this)
Review comment:
Who takes responsibility to set this back if we set the active session in
this method? For example, the current active session is `spark1` when calling
`spark2.sql(...)`, then the active session will become `spark2`. When we will
set it back to `spark1`, or it will always be `spark2`?
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