cloud-fan commented on code in PR #37532:
URL: https://github.com/apache/spark/pull/37532#discussion_r963258833
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/statsEstimation/EstimationUtils.scala:
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@@ -23,9 +23,22 @@ import scala.math.BigDecimal.RoundingMode
import org.apache.spark.sql.catalyst.expressions.{Alias, Attribute,
AttributeMap, EmptyRow, Expression}
import org.apache.spark.sql.catalyst.plans.logical._
import org.apache.spark.sql.types.{DecimalType, _}
+import org.apache.spark.unsafe.types.UTF8String
object EstimationUtils {
+ /** Returns true iff the we support column statistics on column of the given
type. */
+ def supportsType(dataType: DataType): Boolean = dataType match {
Review Comment:
is it only for constants?
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