gengliangwang commented on code in PR #37462:
URL: https://github.com/apache/spark/pull/37462#discussion_r942093242
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/stringExpressions.scala:
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@@ -250,8 +250,8 @@ case class ConcatWs(children: Seq[Expression])
Examples:
> SELECT _FUNC_(1, 'scala', 'java');
scala
- > SELECT _FUNC_(1, encode('scala', 'utf-8'), encode('java', 'utf-8'));
- scala
+ > SELECT _FUNC_(2, 'a', 1);
Review Comment:
note that ELT can accept any input type.
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