Github user srowen commented on a diff in the pull request: https://github.com/apache/spark/pull/15513#discussion_r84573731 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/arithmetic.scala --- @@ -286,7 +324,12 @@ case class Divide(left: Expression, right: Expression) } @ExpressionDescription( - usage = "a _FUNC_ b - Returns the remainder when dividing a by b.") + usage = "expr1 _FUNC_ expr2 - Returns the remainder when dividing expr1 by expr2.", + extended = """ + Arguments: + expr1 - a numeric expression. + expr2 - a numeric expression. + """) --- End diff -- Might be worth an example here.
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