dongjoon-hyun commented on code in PR #53149:
URL: https://github.com/apache/spark/pull/53149#discussion_r2550218881
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala:
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@@ -6695,6 +6695,18 @@ object SQLConf {
.booleanConf
.createWithDefault(true)
+ val MERGE_INTO_SOURCE_NESTED_TYPE_UPDATE_BY_FIELD =
+ buildConf("spark.sql.merge.nested.type.assign.by.fieldv2")
Review Comment:
Hi, @szehon-ho . The naming space design looks very weird. Why `nested` is
at the different level like the following?
```
spark.sql.merge.nested.type.assign.by.fieldv2
spark.sql.merge.source.nested.type.coercion.enabled
```
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