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Merge pull request #9356 from ClickHouse/fix-possible-race-in-block-io
Fix possible race in BlockIO.
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commit
442ec8a98e
@ -18,8 +18,8 @@ struct BlockIO
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BlockIO(const BlockIO &) = default;
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~BlockIO() = default;
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/** process_list_entry should be destroyed after in and after out,
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* since in and out contain pointer to objects inside process_list_entry (query-level MemoryTracker for example),
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/** process_list_entry should be destroyed after in, after out and after pipeline,
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* since in, out and pipeline contain pointer to objects inside process_list_entry (query-level MemoryTracker for example),
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* which could be used before destroying of in and out.
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*/
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std::shared_ptr<ProcessListEntry> process_list_entry;
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@ -56,6 +56,7 @@ struct BlockIO
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out.reset();
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in.reset();
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pipeline = QueryPipeline();
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process_list_entry.reset();
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process_list_entry = rhs.process_list_entry;
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