yiguolei commented on code in PR #51271:
URL: https://github.com/apache/doris/pull/51271#discussion_r2119298693
##########
be/src/olap/rowset/segment_v2/segment.cpp:
##########
@@ -1231,4 +1233,59 @@ StoragePageCache::CacheKey
Segment::get_segment_footer_cache_key() const {
_file_reader->size() - 12);
}
+std::map<uint32_t, Segment::ZoneMapInfo> Segment::get_zone_maps() {
+ if (config::cache_zone_map_max_columns_count <= 0) {
+ return {};
+ }
+
+ std::shared_ptr<SegmentFooterPB> footer_pb;
+ try {
+ auto st = _get_segment_footer(footer_pb, nullptr);
Review Comment:
这里不要传递nullptr，底层代码写不好容易挂， 我们传一个不需要的stats 进去
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