heyihong commented on code in PR #53625:
URL: https://github.com/apache/spark/pull/53625#discussion_r2651118197
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sql/core/src/main/scala/org/apache/spark/sql/execution/QueryExecution.scala:
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@@ -70,6 +71,11 @@ class QueryExecution(
val refreshPhaseEnabled: Boolean = true) extends Logging {
val id: Long = QueryExecution.nextExecutionId
+ val queryId: UUID = UUIDv7Generator.generate()
+
+ // Tracks how many times this QueryExecution has been executed.
+ // Used by SQLExecution to determine whether to use the existing queryId or
generate a new one.
+ val executionCount = new AtomicInteger(0)
Review Comment:
Is there a need to expose `executionCount`? Should we make it private[sql]?
Also, it seems that an AtomicBoolean is sufficient to check whether this is the
first execution. Theoretically, executionCount can go back to 0 after many
executions.
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