Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/22749#discussion_r226506593
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/encoders/ExpressionEncoder.scala
---
@@ -103,75 +88,61 @@ object ExpressionEncoder {
* name/positional binding is preserved.
*/
def tuple(encoders: Seq[ExpressionEncoder[_]]): ExpressionEncoder[_] = {
+ if (encoders.length > 22) {
--- End diff --
sure. ok.
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