Stove-hust commented on a change in pull request #35363:
URL: https://github.com/apache/spark/pull/35363#discussion_r809648678
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/statsEstimation/FilterEstimation.scala
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@@ -311,6 +311,16 @@ case class FilterEstimation(plan: Filter) extends Logging {
logDebug("[CBO] No statistics for " + attr)
return None
}
+
+ attr.dataType match {
+ case _: NumericType | DateType | TimestampType | BooleanType =>
+ if (!colStatsMap.hasMinMaxStats(attr)) {
+ logDebug(s"[CBO] No statistics for $attr")
+ return None
+ }
+ case _ =>
+ }
+
val colStat = colStatsMap(attr)
// decide if the value is in [min, max] of the column.
Review comment:
If the NumericType column does not store min/max properties, the
statsInterval will be NullValueInterval(), then the evaluateEquality() method
will return Some(0.0), not None。
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