Github user BenFradet commented on a diff in the pull request:
https://github.com/apache/spark/pull/10060#discussion_r46283588
--- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/Encoder.scala ---
@@ -26,13 +29,51 @@ import
org.apache.spark.sql.catalyst.expressions.{DecodeUsingSerializer, BoundRe
import org.apache.spark.sql.types._
/**
+ * :: Experimental ::
* Used to convert a JVM object of type `T` to and from the internal Spark
SQL representation.
*
- * Encoders are not intended to be thread-safe and thus they are allow to
avoid internal locking
- * and reuse internal buffers to improve performance.
+ * == Scala ==
+ * Encoders are generally created automatically though implicits from a
`SQLContext`.
--- End diff --
I might be mistaken but I think you meant to write "through" and not
"though".
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