yiguolei commented on code in PR #45410:
URL: https://github.com/apache/doris/pull/45410#discussion_r1886002786


##########
be/src/vec/core/block.cpp:
##########
@@ -734,7 +734,8 @@ void Block::clear_column_data(int64_t column_size) noexcept 
{
     }
     for (auto& d : data) {
         if (d.column) {
-            DCHECK_EQ(d.column->use_count(), 1) << " " << print_use_count();
+            // Temporarily disable reference count check because a column 
might be referenced multiple times within a block.

Review Comment:
   add more comment  select c,c from table



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