gaogaotiantian commented on code in PR #54291:
URL: https://github.com/apache/spark/pull/54291#discussion_r2818745192
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sql/core/src/main/scala/org/apache/spark/sql/execution/SQLExecution.scala:
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@@ -108,11 +108,14 @@ object SQLExecution extends Logging {
// Track the "root" SQL Execution Id for nested/sub queries. The current
execution is the
// root execution if the root execution ID is null.
// And for the root execution, rootExecutionId == executionId.
- if (sc.getLocalProperty(EXECUTION_ROOT_ID_KEY) == null) {
+ val existingRootId = sc.getLocalProperty(EXECUTION_ROOT_ID_KEY)
Review Comment:
Ah, right. It's okay to have the current logic.
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