[GitHub] [spark] dongjoon-hyun commented on a diff in pull request #38942: [SPARK-41437][SQL] Do not optimize the input query twice for v1 write fallback

[GitBox <gi...@apache.org>]

dongjoon-hyun commented on code in PR #38942:
URL: https://github.com/apache/spark/pull/38942#discussion_r1042013557


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sql/core/src/test/scala/org/apache/spark/sql/connector/V1WriteFallbackSuite.scala:
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@@ -435,3 +439,16 @@ object OnlyOnceRule extends Rule[LogicalPlan] {
 
   }
 }
+
+// A rule that fails if the input query of a V2WriteCommand is optimized twice
+object OnlyOnceOptimizerRule extends Rule[LogicalPlan] {

Review Comment:
   Thank you for adding this.



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