Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/22812#discussion_r228195016
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/encoders/ExpressionEncoder.scala
---
@@ -119,10 +119,9 @@ object ExpressionEncoder {
}
val childrenDeserializers = encoders.zipWithIndex.map { case (enc,
index) =>
- val getColumnsByOrdinals = enc.objDeserializer.collect { case c:
GetColumnByOrdinal => c }
- .distinct
- assert(getColumnsByOrdinals.size == 1, "object deserializer should
have only one " +
- s"`GetColumnByOrdinal`, but there are
${getColumnsByOrdinals.size}")
+ val getColExprs = enc.objDeserializer.collect { case c:
GetColumnByOrdinal => c }.distinct
--- End diff --
unrelated but to fix minor code style issues in
https://github.com/apache/spark/pull/22749
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