xinyiZzz commented on a change in pull request #8476:
URL: https://github.com/apache/incubator-doris/pull/8476#discussion_r829025201
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File path: be/src/exprs/agg_fn_evaluator.cpp
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@@ -154,7 +154,7 @@ Status AggFnEvaluator::prepare(RuntimeState* state, const
RowDescriptor& desc, M
_intermediate_slot_desc = intermediate_slot_desc;
_string_buffer_len = 0;
- _mem_tracker = mem_tracker;
+ _mem_tracker = MemTracker::create_virtual_tracker(-1, "AggFnEvaluator",
mem_tracker);
Review comment:
The `memtracker` param is used in Expr::prepare on the next line, which
I modified.
In addition, it is also the parent of the virtual tracker `_mem_tracker`.
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