Github user cloud-fan commented on a diff in the pull request:

    https://github.com/apache/spark/pull/17148#discussion_r104492007
  
    --- Diff: 
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/statsEstimation/FilterEstimation.scala
 ---
    @@ -249,17 +265,19 @@ case class FilterEstimation(plan: Filter, 
catalystConf: CatalystConf) extends Lo
           attr: Attribute,
           literal: Literal,
           update: Boolean): Option[Double] = {
    +    if (!colStatsMap.contains(attr)) {
    +      logDebug("[CBO] No statistics for " + attr)
    +      return None
    +    }
    +
         attr.dataType match {
    -      case _: NumericType | DateType | TimestampType =>
    +      case _: NumericType | DateType | TimestampType | BooleanType =>
             evaluateBinaryForNumeric(op, attr, literal, update)
           case StringType | BinaryType =>
             // TODO: It is difficult to support other binary comparisons for 
String/Binary
             // type without min/max and advanced statistics like histogram.
             logDebug("[CBO] No range comparison statistics for String/Binary 
type " + attr)
             None
    -      case _ =>
    --- End diff --
    
    we can't remove this, we may still hit unsupported type like array, map, 
etc.


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