eldenmoon commented on code in PR #33493:
URL: https://github.com/apache/doris/pull/33493#discussion_r1560407874


##########
be/src/vec/columns/column_array.cpp:
##########
@@ -412,6 +412,24 @@ void ColumnArray::insert(const Field& x) {
     }
 }
 
+void ColumnArray::replace(const Field& f, size_t self_row) {
+    const auto& array = f.get<const Array&>();
+    if (self_row == 0) {
+        // we should clear data because we call resize() before 
replace_column_data()
+        data->clear();
+    }
+    if (f.is_null()) {
+        get_data().insert(Null());
+        get_offsets().push_back(get_offsets().back() + 1);
+    } else {
+        get_offsets()[self_row] = get_offsets()[self_row - 1] + array.size();
+        // we make sure call replace_column_data() by order so, here we just 
insert for nested
+        for (const auto& i : array) {

Review Comment:
   done



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