Re: [PR] [SPARK-53482][SQL] MERGE INTO support for when source has less nested field than target [spark]

["dongjoon-hyun (via GitHub)" <gi...@apache.org>]

dongjoon-hyun commented on code in PR #52347:
URL: https://github.com/apache/spark/pull/52347#discussion_r2608692038


##########
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala:
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@@ -6486,6 +6427,15 @@ object SQLConf {
       .booleanConf
       .createWithDefault(true)
 
+  val MERGE_INTO_SOURCE_NESTED_TYPE_COERCION_ENABLED =
+    buildConf("spark.sql.merge.source.nested.type.coercion.enabled")

Review Comment:
   +1 for @aokolnychyi 's comment. Let me make a PR for this.



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