zhengruifeng commented on code in PR #41534:
URL: https://github.com/apache/spark/pull/41534#discussion_r1230323957
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connector/connect/client/jvm/src/main/scala/org/apache/spark/sql/functions.scala:
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@@ -2961,6 +2961,64 @@ object functions {
allowDifferentLgConfigK: Boolean): Column =
hll_union(Column(columnName1), Column(columnName2),
allowDifferentLgConfigK)
+ /**
+ * If `predicate` evaluates to true, then returns `trueValue`; otherwise
returns `falseValue`.
+ *
+ * @group misc_funcs
+ * @since 3.5.0
+ */
+ def `if`(predicate: Column, trueValue: Column, falseValue: Column): Column =
Review Comment:
let's also exclude `if` on the scala side.
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