dilipbiswal commented on a change in pull request #25249: [SPARK-28237][SQL]
Enforce Idempotence for Once batches in RuleExecutor
URL: https://github.com/apache/spark/pull/25249#discussion_r307084134
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/rules/RuleExecutor.scala
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@@ -47,10 +47,13 @@ abstract class RuleExecutor[TreeType <: TreeNode[_]]
extends Logging {
*/
abstract class Strategy { def maxIterations: Int }
- /** A strategy that only runs once. */
+ /** A strategy that is idempotent. */
Review comment:
Nit: A strategy that runs once and is idempotent ?
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