Github user hvanhovell commented on a diff in the pull request:
https://github.com/apache/spark/pull/20505#discussion_r165889177
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/SQLImplicits.scala
---
@@ -165,11 +165,15 @@ abstract class SQLImplicits extends
LowPrioritySQLImplicits {
def newProductSeqEncoder[A <: Product : TypeTag]: Encoder[Seq[A]] =
ExpressionEncoder()
/** @since 2.2.0 */
- implicit def newSequenceEncoder[T <: Seq[_] : TypeTag]: Encoder[T] =
ExpressionEncoder()
+ implicit def newSequenceEncoder[T[_], E : Encoder]
--- End diff --
Can you check if we are breaking some public contract here?
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