Github user hvanhovell commented on a diff in the pull request:
https://github.com/apache/spark/pull/13930#discussion_r68702096
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveSessionCatalog.scala ---
@@ -174,6 +175,18 @@ private[sql] class HiveSessionCatalog(
// xpath_double, xpath_float, xpath_int, xpath_long, xpath_number,
// xpath_short, and xpath_string.
override def lookupFunction(name: FunctionIdentifier, children:
Seq[Expression]): Expression = {
+ try {
+ subLookupFunction(name, children)
+ } catch {
--- End diff --
@dongjoon-hyun Nevermind. We use the datatypes of the arguments passed to
the HiveUDF/UDAF/UDFT to determine which object inspectors to use for
conversion. So there is no way we can fix this using `ExpectsInputTypes`; sorry
about the confusion...
We have only changed the default datatype for decimal conversion, so your I
guess your fix is ok.
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