[GitHub] [spark] cloud-fan commented on a change in pull request #27579: [SPARK-30829][SQL] Define LegacyBehaviorPolicy enumeration as the common value for result change configs

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cloud-fan commented on a change in pull request #27579: [SPARK-30829][SQL] Define LegacyBehaviorPolicy enumeration as the common value for result change configs
URL: https://github.com/apache/spark/pull/27579#discussion_r379391569
 
 

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 File path: sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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 @@ -2106,13 +2106,19 @@ object SQLConf {
     .booleanConf
     .createWithDefault(false)
 
-  val LEGACY_CTE_PRECEDENCE_ENABLED = buildConf("spark.sql.legacy.ctePrecedence.enabled")
+  object LegacyBehaviorPolicy extends Enumeration {
+    val EXCEPTION, LEGACY, NEW_BEHAVIOR = Value
 
 Review comment:
   how about `CORRECTED` to indicate that it's the corrected behavior?

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