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| author | Sergei Golubchik <serg@mariadb.org> | 2022-05-09 22:04:06 +0200 |
|---|---|---|
| committer | Sergei Golubchik <serg@mariadb.org> | 2022-05-09 22:04:06 +0200 |
| commit | ef781162ff2eb97f405b19dc150ab674e91dbc05 (patch) | |
| tree | 63b897dece50ab65652174af4cd0aabd8f3a8505 /sql/sql_expression_cache.h | |
| parent | e9af6b2a4d8750c32d4953f08f8bc5f2e33cb9e3 (diff) | |
| parent | 16cebed54065ad9e18953aa86d48f6007d53c2d3 (diff) | |
| download | mariadb-git-ef781162ff2eb97f405b19dc150ab674e91dbc05.tar.gz | |
Merge branch '10.4' into 10.5
Diffstat (limited to 'sql/sql_expression_cache.h')
| -rw-r--r-- | sql/sql_expression_cache.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sql/sql_expression_cache.h b/sql/sql_expression_cache.h index 031773adb9f..9c618a5ae9b 100644 --- a/sql/sql_expression_cache.h +++ b/sql/sql_expression_cache.h @@ -83,7 +83,11 @@ public: cache(c), hit(0), miss(0), state(UNINITED) {} +private: + // This can be NULL if the cache is already deleted Expression_cache *cache; + +public: ulong hit, miss; enum expr_cache_state state; @@ -91,6 +95,7 @@ public: void set(ulong h, ulong m, enum expr_cache_state s) {hit= h; miss= m; state= s;} + void detach_from_cache() { cache= NULL; } void fetch_current_stats() { if (cache) |