Github user gatorsmile commented on a diff in the pull request: https://github.com/apache/spark/pull/19977#discussion_r157826372 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala --- @@ -1035,6 +1035,12 @@ object SQLConf { .booleanConf .createWithDefault(true) + val ConcatBinaryModeEnabled = buildConf("spark.sql.expression.concat.binaryMode.enabled") --- End diff -- -> `spark.sql.function.concatBinaryAsString`
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