[GitHub] [spark] xuanyuanking commented on a change in pull request #27772: [SPARK-31019][SQL] make it clear that people can deduplicate map keys

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xuanyuanking commented on a change in pull request #27772: [SPARK-31019][SQL] make it clear that people can deduplicate map keys
URL: https://github.com/apache/spark/pull/27772#discussion_r387408063
 
 

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 File path: sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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 @@ -2435,17 +2450,6 @@ object SQLConf {
     .booleanConf
     .createWithDefault(false)
 
-  val LEGACY_ALLOW_DUPLICATED_MAP_KEY =
 
 Review comment:
   +1,
   Also find another mistake I made in the migration guide, fixed in #27782, please take a look.

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