dongjoon-hyun commented on code in PR #36812:
URL: https://github.com/apache/spark/pull/36812#discussion_r894194221
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sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala:
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@@ -3818,6 +3818,16 @@ object SQLConf {
.booleanConf
.createWithDefault(false)
+ val LEGACY_ALLOW_NULL_COMPARISON_RESULT_IN_ARRAY_SORT =
+ buildConf("spark.sql.legacy.allowNullComparisonResultInArraySort")
+ .internal()
+ .doc("When set to false, `array_sort` function throws an error " +
+ "if the comparator function returns null. " +
+ "If set to true, it restores the legacy behavior that handles null as
zero (equal).")
+ .version("3.2.2")
Review Comment:
cc @MaxGekk FYI
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