[GitHub] [spark] dongjoon-hyun commented on a change in pull request #30558: [SPARK-33612][SQL] Add dataSourceRewriteRules batch to Optimizer

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

dongjoon-hyun commented on a change in pull request #30558:
URL: https://github.com/apache/spark/pull/30558#discussion_r533940558



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File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
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@@ -185,6 +185,9 @@ abstract class Optimizer(catalogManager: CatalogManager)
       RemoveLiteralFromGroupExpressions,
       RemoveRepetitionFromGroupExpressions) :: Nil ++
     operatorOptimizationBatch) :+
+    // This batch rewrites data source plans and should be run after the operator
+    // optimization batch and before any batches that depend on stats.
+    Batch("Data Source Rewrite Rules", Once, dataSourceRewriteRules: _*) :+

Review comment:
       Could you propose a name then, @gatorsmile ?




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