Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/15513#discussion_r84597530
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/mathExpressions.scala
---
@@ -970,9 +1270,19 @@ case class Round(child: Expression, scale: Expression)
* also known as Gaussian rounding or bankers' rounding.
* round(2.5) = 2.0, round(3.5) = 4.0.
*/
+// scalastyle:off line.size.limit
@ExpressionDescription(
- usage = "_FUNC_(x, d) - Round x to d decimal places using HALF_EVEN
rounding mode.",
- extended = "> SELECT _FUNC_(2.5, 0);\n 2.0")
+ usage = "_FUNC_(expr, d) - Round expr to d decimal places using
HALF_EVEN rounding mode.",
--- End diff --
Add `Returns` at the beginning.
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