csun5285 commented on code in PR #67642:
URL: https://github.com/apache/doris/pull/67642#discussion_r3999759038
##########
be/src/storage/segment/segment.cpp:
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@@ -503,8 +538,13 @@ Status Segment::new_iterator(ReadSchemaSPtr schema, const
StorageReadOptions& re
RETURN_IF_ERROR(load_index(read_options.stats, &read_options.io_ctx));
}
+ // A delete predicate leaves the zone map covering rows that are gone, so
its min/max may be a
+ // value the table no longer holds. Statistics collection takes that
approximation; every other
+ // query has to read the rows.
+ const bool delete_free =
+
read_options.delete_condition_predicates->num_of_column_predicate() == 0;
bool use_statistics_iterator =
-
read_options.delete_condition_predicates->num_of_column_predicate() == 0 &&
+ (delete_free || accepts_inexact_min_max(read_options)) &&
Review Comment:
是的
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