HappenLee commented on code in PR #63389:
URL: https://github.com/apache/doris/pull/63389#discussion_r3329995497


##########
be/src/storage/segment/segment.cpp:
##########
@@ -85,6 +89,87 @@ namespace doris::segment_v2 {
 
 class InvertedIndexIterator;
 
+namespace {
+
+Status build_segment_zonemap_context(Segment* segment, const Schema& schema,
+                                     const StorageReadOptions& read_options,
+                                     const VExprContextSPtrs& conjuncts, 
ZoneMapEvalContext* ctx) {
+    DORIS_CHECK(segment != nullptr);
+    DORIS_CHECK(ctx != nullptr);
+    std::set<int> slot_indexes;
+    for (const auto& conjunct : conjuncts) {
+        if (conjunct->root() != nullptr) {

Review Comment:
   什么情况下这个expr会是空指针



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