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| author | Peter Shchuchkin <peters@yandex.ru> | 2017-08-25 12:43:28 +0300 |
|---|---|---|
| committer | Sergey Vojtovich <svoj@mariadb.org> | 2017-08-31 13:50:25 +0400 |
| commit | cf3a74eb60410e092c3098e77d818b7953c41d16 (patch) | |
| tree | e33daf240ebbe6da027e01eb7ee8118177c9b707 /sql/sql_cache.h | |
| parent | 5dd8e1bf2d15a68359e37b439a0d5999808b8001 (diff) | |
| download | mariadb-git-cf3a74eb60410e092c3098e77d818b7953c41d16.tar.gz | |
Counting hits for queries in query cache.
Added hit_count field to Query_cache_query and methods to get and increment it.
The counter is incremented when query results are read from query cache.
Diffstat (limited to 'sql/sql_cache.h')
| -rw-r--r-- | sql/sql_cache.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sql/sql_cache.h b/sql/sql_cache.h index 3230034cf74..383bff305d9 100644 --- a/sql/sql_cache.h +++ b/sql/sql_cache.h @@ -159,6 +159,7 @@ struct Query_cache_query unsigned int last_pkt_nr; uint8 tbls_type; uint8 ready; + ulonglong hit_count; Query_cache_query() {} /* Remove gcc warning */ inline void init_n_lock(); @@ -184,6 +185,8 @@ struct Query_cache_query */ inline void set_results_ready() { ready= 1; } inline bool is_results_ready() { return ready; } + inline void increment_hits() { hit_count++; } + inline ulong hits() { return hit_count; } void lock_writing(); void lock_reading(); bool try_lock_writing(); |