Github user srutis commented on the pull request:
https://github.com/apache/spark/pull/9199#issuecomment-149978215
Sruti S <[email protected]>
9:29 AM (4 hours ago)
to Shagun
A quick look through the source of FunctionRegistry.scala seems to
indicate that the function is missing from a lookup table, so it looks like a
simple fix to add the entry will resolve the issue.
object FunctionRegistry {
type FunctionBuilder = Seq[Expression] => Expression
val expressions: Map[String, (ExpressionInfo, FunctionBuilder)] = Map(
...
...
// math functions
expression[Acos]("acos"),
expression[Asin]("asin"),
expression[Atan]("atan"),
expression[Atan2]("atan2"),
expression[Bin]("bin"),
expression[Cbrt]("cbrt"),
expression[Ceil]("ceil"),
expression[Ceil]("ceiling"),
expression[Cos]("cos"),
/* Add here ---> */ expression[Cosh]("cosh"),
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