fix import

Author: wangzhenhua

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/statsEstimation/FilterEstimation.scala

@@ -24,7 +24,7 @@ import scala.math.BigDecimal.RoundingMode
 import org.apache.spark.internal.Logging
 import org.apache.spark.sql.catalyst.CatalystConf
 import org.apache.spark.sql.catalyst.expressions._
-import org.apache.spark.sql.catalyst.plans.logical._
+import org.apache.spark.sql.catalyst.plans.logical.{ColumnStat, Filter, Statistics}
 import org.apache.spark.sql.catalyst.util.DateTimeUtils
 import org.apache.spark.sql.types._
 

sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/statsEstimation/FilterEstimationSuite.scala

@@ -20,7 +20,7 @@ package org.apache.spark.sql.catalyst.statsEstimation
 import java.sql.Date
 
 import org.apache.spark.sql.catalyst.expressions._
-import org.apache.spark.sql.catalyst.plans.logical._
+import org.apache.spark.sql.catalyst.plans.logical.{ColumnStat, Filter, Statistics}
 import org.apache.spark.sql.catalyst.plans.logical.statsEstimation.EstimationUtils._
 import org.apache.spark.sql.types._