huaxingao commented on a change in pull request #32049:
URL: https://github.com/apache/spark/pull/32049#discussion_r634879276
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/V2ScanRelationPushDown.scala
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@@ -17,19 +17,130 @@
package org.apache.spark.sql.execution.datasources.v2
-import org.apache.spark.sql.catalyst.expressions.{And, Expression,
NamedExpression, ProjectionOverSchema, SubqueryExpression}
+import org.apache.spark.sql.catalyst.expressions._
+import org.apache.spark.sql.catalyst.expressions.aggregate.AggregateExpression
import org.apache.spark.sql.catalyst.planning.ScanOperation
-import org.apache.spark.sql.catalyst.plans.logical.{Filter, LogicalPlan,
Project}
+import org.apache.spark.sql.catalyst.plans.logical.{Aggregate, Filter,
LogicalPlan, Project}
import org.apache.spark.sql.catalyst.rules.Rule
-import org.apache.spark.sql.connector.read.{Scan, V1Scan}
+import org.apache.spark.sql.catalyst.util.toPrettySQL
+import org.apache.spark.sql.connector.read.{Scan, SupportsPushDownAggregates,
V1Scan}
import org.apache.spark.sql.execution.datasources.DataSourceStrategy
import org.apache.spark.sql.sources
+import org.apache.spark.sql.sources.{AggregateFunc, Aggregation}
import org.apache.spark.sql.types.StructType
-object V2ScanRelationPushDown extends Rule[LogicalPlan] {
+object V2ScanRelationPushDown extends Rule[LogicalPlan] with AliasHelper {
Review comment:
I will redo this
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