cloud-fan commented on code in PR #42036:
URL: https://github.com/apache/spark/pull/42036#discussion_r1272960408
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala:
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@@ -3759,6 +3759,14 @@ object SQLConf {
.checkValues(LegacyBehaviorPolicy.values.map(_.toString))
.createWithDefault(LegacyBehaviorPolicy.EXCEPTION.toString)
+ val LEGACY_INLINE_CTE_IN_COMMANDS =
buildConf("spark.sql.legacy.inlineCTEInCommands")
+ .internal()
+ .doc("If true, always inline the CTE relations for the queries in
commands. This is the " +
+ "legacy behavior which may produce incorrect results because Spark may
evaluate a CTE " +
+ "relation more than once, even if it's nondeterministic.")
+ .booleanConf
Review Comment:
```suggestion
.version("4.0.0")
.booleanConf
```
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