cloud-fan commented on a change in pull request #24567: [SPARK-27638][SQL]:
Cast string to date/timestamp in binary comparisons with dates/timestamps
URL: https://github.com/apache/spark/pull/24567#discussion_r283253956
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
##########
@@ -1760,6 +1760,13 @@ object SQLConf {
.internal()
.intConf
.createWithDefault(Int.MaxValue)
+
+ val LEGACY_CAST_DATE_TIMESTAMP_TO_STRING =
+ buildConf("spark.sql.legacy.binaryComparison.castDateTimestampToString")
+ .doc("If it is set to true, date/timestamp will cast to string in binary
comparisons " +
Review comment:
can we also add a migration guide for this behavior change and mention this
config?
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