dongjoon-hyun commented on a change in pull request #990:
URL: https://github.com/apache/orc/pull/990#discussion_r778570774



##########
File path: c++/src/Reader.cc
##########
@@ -290,6 +291,15 @@ namespace orc {
     return selectedColumns;
   }
 
+  ArrayReadIntent RowReaderImpl::getReadIntent(uint64_t typeId) const {
+    auto elem = readIntents.find(typeId);
+    if (elem == readIntents.end()) {
+      return ArrayReadIntent_ALL;
+    } else {
+      return elem->second;

Review comment:
       Do we have a test coverage for this code path? I expected two test cases.
   - typeId is mapped to `ArrayReadIntent_ALL` (although this is unlikely but 
for completeness of test coverage).
   - typeId is mapped to `ArrayReadIntent_OFFSETS`.




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