[GitHub] [doris] dataroaring commented on a diff in pull request #19917: [feature-wip](auto-inc) add AutoIncrementIdGenerator and FrontService for BE coordinator

["dataroaring (via GitHub)" <gi...@apache.org>]

dataroaring commented on code in PR #19917:
URL: https://github.com/apache/doris/pull/19917#discussion_r1214490990


##########
be/src/runtime/descriptors.cpp:
##########
@@ -64,7 +64,8 @@ SlotDescriptor::SlotDescriptor(const TSlotDescriptor& tdesc)
           _field_idx(-1),
           _is_materialized(tdesc.isMaterialized),
           _is_key(tdesc.is_key),
-          _need_materialize(tdesc.need_materialize) {}
+          _need_materialize(tdesc.need_materialize),
+          _is_auto_increment(tdesc.is_auto_increment) {}

Review Comment:
   what happens if an old fe and new be work together? 



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