Github user adrian-wang commented on a diff in the pull request:
https://github.com/apache/spark/pull/6783#discussion_r32299300
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/functions.scala ---
@@ -1205,6 +1205,70 @@ object functions {
def pow(l: Double, rightName: String): Column = pow(l, Column(rightName))
/**
+ * Returns the positive value of l mod r.
+ *
+ * @group math_funcs
+ * @since 1.5.0
+ */
+ def pmod(l: Column, r: Column): Column = Pmod(l.expr, r.expr)
+
+ /**
+ * Returns the positive value of l mod r.
+ *
+ * @group math_funcs
+ * @since 1.5.0
+ */
+ def pmod(l: Column, rightName: String): Column = pmod(l,
Column(rightName))
+
+ /**
+ * Returns the positive value of l mod r.
+ *
+ * @group math_funcs
+ * @since 1.5.0
+ */
+ def pmod(leftName: String, r: Column): Column = pmod(Column(leftName), r)
--- End diff --
I don't think we really need these two interface....
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