cloud-fan commented on code in PR #36103:
URL: https://github.com/apache/spark/pull/36103#discussion_r847557624
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sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala:
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@@ -3709,6 +3709,17 @@ object SQLConf {
.booleanConf
.createWithDefault(true)
+ val LPAD_RPAD_FOR_BINARY_TYPE =
+ buildConf("spark.sql.legacy.lpadRpadForBinaryType.enabled")
+ .internal()
+ .doc("When set to true, the functions `lpad` and `rpad` have been
overloaded to support " +
+ "byte sequences. When the first argument is a byte sequence, the
optional padding " +
Review Comment:
it only returns binary type if both the first and second arguments are
binary type.
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