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Restore vars_list destructor

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Regression after reverting fair THD members constructors/destructors.
vars_list can be used standalone, in such cases destructor is needed.

Part of MDEV-14984 - regression in connect performance
This commit is contained in:
Sergey Vojtovich 2019-05-04 12:43:29 +04:00
parent b6f4cccd19
commit e8dd18a474
1 changed files with 1 additions and 0 deletions
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sql/session_tracker.h
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@ -164,6 +164,7 @@ class Session_sysvars_tracker: public State_tracker
} }
public: public:
vars_list(): track_all(false) { init(); } vars_list(): track_all(false) { init(); }
~vars_list() { if (my_hash_inited(&m_registered_sysvars)) free_hash(); }
void deinit() { free_hash(); } void deinit() { free_hash(); }
sysvar_node_st *insert_or_search(const sys_var *svar) sysvar_node_st *insert_or_search(const sys_var *svar)