Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/19602#discussion_r192576685
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/client/HiveShim.scala ---
@@ -657,17 +656,29 @@ private[client] class Shim_v0_13 extends Shim_v0_12 {
val useAdvanced = SQLConf.get.advancedPartitionPredicatePushdownEnabled
+ object ExtractAttribute {
+ def unapply(expr: Expression): Option[Attribute] = {
+ expr match {
+ case attr: Attribute => Some(attr)
+ case Cast(child, dt, _) if !Cast.mayTruncate(child.dataType, dt)
=> unapply(child)
+ case _ => None
+ }
+ }
+ }
+
def convert(expr: Expression): Option[String] = expr match {
case In(NonVarcharAttribute(name), ExtractableLiterals(values)) if
useAdvanced =>
--- End diff --
shall we apply the cast handling here?
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