dongjoon-hyun commented on a change in pull request #30146:
URL: https://github.com/apache/spark/pull/30146#discussion_r512963049



##########
File path: 
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
##########
@@ -282,6 +289,23 @@ object SQLConf {
       .booleanConf
       .createWithDefault(true)
 
+  val DYNAMIC_DATA_PRUNING_ENABLED =
+    buildConf("spark.sql.optimizer.dynamicDataPruning.enabled")
+      .doc("When true, we will generate predicate for column when it's used as 
join key " +

Review comment:
       `column` -> `data column` if this PR isn't aiming for `partition column`?




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