maropu commented on a change in pull request #24258:
[SPARK-27279][SQL][FOLLOW-UP] Reuse subquery should compare child plan of
`SubqueryExec`
URL: https://github.com/apache/spark/pull/24258#discussion_r270696779
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File path: sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
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@@ -25,7 +25,7 @@ import java.util.concurrent.atomic.AtomicBoolean
import org.apache.spark.{AccumulatorSuite, SparkException}
import org.apache.spark.scheduler.{SparkListener, SparkListenerJobStart}
import org.apache.spark.sql.catalyst.util.StringUtils
-import org.apache.spark.sql.execution.{aggregate, ScalarSubquery, SubqueryExec}
+import org.apache.spark.sql.execution.aggregate
Review comment:
nit: we can remove this import by changing `aggregate.HashAggregateExec` ->
`HashAggregateExec` in line 263?
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