Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/16361#discussion_r94508116
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/aggregate/RowBasedHashMapGenerator.scala
---
@@ -43,28 +43,30 @@ class RowBasedHashMapGenerator(
extends HashMapGenerator (ctx, aggregateExpressions, generatedClassName,
groupingKeySchema, bufferSchema) {
- protected def initializeAggregateHashMap(): String = {
+ override protected def initializeAggregateHashMap(): String = {
val generatedKeySchema: String =
s"new org.apache.spark.sql.types.StructType()" +
groupingKeySchema.map { key =>
+ val keyName = ctx.addReferenceObj(key.name)
--- End diff --
Looks like you now need to use `addReferenceMinorObj` after a conflicting
change was merged. We'll need to use the current version of the patch when
backporting into branch-2.1, though.
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