cloud-fan commented on a change in pull request #27542: [SPARK-30790]The
dataType of map() should be map<null,null>
URL: https://github.com/apache/spark/pull/27542#discussion_r378381239
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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@@ -2007,12 +2007,13 @@ object SQLConf {
.booleanConf
.createWithDefault(false)
- val LEGACY_ARRAY_DEFAULT_TO_STRING =
- buildConf("spark.sql.legacy.arrayDefaultToStringType.enabled")
+ val LEGACY_CREATE_EMPTY_COLLECTION_USING_STRING_TYPE =
+ buildConf("spark.sql.legacy.createEmptyCollectionUsingStringType.enabled")
Review comment:
I've sent a config naming proposal to dev list, and
`createEmptyCollectionUsingStringType` is a verb so I think we don't need the
`.enabled` postfix.
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