cloud-fan commented on code in PR #53508:
URL: https://github.com/apache/spark/pull/53508#discussion_r2630240156
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala:
##########
@@ -2183,6 +2183,16 @@ object SQLConf {
.booleanConf
.createWithDefault(true)
+ val VIEW_SCHEMA_EVOLUTION_PRESERVE_USER_COMMENTS =
+ buildConf("spark.sql.view.schemaEvolution.preserveUserComments")
+ .internal()
+ .doc("When enabled, views with SCHEMA EVOLUTION mode will preserve
user-set view comments " +
+ "when the underlying table schema evolves. When disabled, view
comments will be " +
+ "overwritten with table comments on every schema sync.")
+ .version("4.0.0")
Review Comment:
```suggestion
.version("4.2.0")
```
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