[GitHub] [spark] dongjoon-hyun commented on a diff in pull request #41263: [SPARK-43333][CORE] Allow Avro to convert union type to SQL with field name stable with type

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

dongjoon-hyun commented on code in PR #41263:
URL: https://github.com/apache/spark/pull/41263#discussion_r1201257860


##########
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala:
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@@ -3413,6 +3413,14 @@ object SQLConf {
     .booleanConf
     .createWithDefault(true)
 
+  val AVRO_STABLE_ID_FOR_UNION_TYPE = buildConf(
+    "spark.sql.avro.enableStableIdentifiersForUnionType")
+    .doc("When Avro is desrialized to SQL schema, the union type is converted to structure in a " +
+      "way that field names of the structure are stable with the type, in most cases.")
+    .version("3.4.0")

Review Comment:
   `3.5.0`?



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