Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/22047#discussion_r209130145
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/stringExpressions.scala
---
@@ -1555,9 +1555,11 @@ case class Left(str: Expression, len: Expression,
child: Expression) extends Run
* number of bytes of the given binary expression.
*/
@ExpressionDescription(
- usage = "_FUNC_(expr) - Returns the character length of string data or
number of bytes of " +
- "binary data. The length of string data includes the trailing spaces.
The length of binary " +
- "data includes binary zeros.",
+ usage = """
--- End diff --
Looks unrelated
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