HyukjinKwon commented on code in PR #47911:
URL: https://github.com/apache/spark/pull/47911#discussion_r1735763223


##########
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala:
##########
@@ -351,6 +351,14 @@ object SQLConf {
       .booleanConf
       .createWithDefault(true)
 
+  val DYNAMIC_PARTITION_PRUNING_MAX_LENGTH =
+    buildConf("spark.sql.optimizer.dynamicPartitionPruning.max.length")
+      .doc("The maximum character length of the plan for the nested 
subquery.When the set length " +
+        "is too large, it may cause the final plan to exceed the limit or 
memory overflow.")
+      .version("3.3.0")

Review Comment:
   Let's make it 4.0.0



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