HyukjinKwon commented on a change in pull request #25172: [SPARK-28412][SQL]
ANSI SQL: OVERLAY function support byte array
URL: https://github.com/apache/spark/pull/25172#discussion_r322123822
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/stringExpressions.scala
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@@ -496,19 +509,42 @@ case class Overlay(input: Expression, replace:
Expression, pos: Expression, len:
this(str, replace, pos, Literal.create(-1, IntegerType))
Review comment:
I meant to add an example for this function under 502 lines. Since SparkSQL
doesn't support binary literal you can use `bin` function in the example.
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