[GitHub] [spark] cloud-fan commented on a change in pull request #24567: [SPARK-27638][SQL]: Cast string to date/timestamp in binary comparisons with dates/timestamps

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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_r283253600
 
 

 ##########
 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")
 
 Review comment:
   `spark.sql.legacy.typeCoercion.datetimeToString`

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