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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.cc | |
| 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.cc')
| -rw-r--r-- | sql/sql_cache.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sql/sql_cache.cc b/sql/sql_cache.cc index cc2edfed123..ed5a8f84127 100644 --- a/sql/sql_cache.cc +++ b/sql/sql_cache.cc @@ -961,7 +961,7 @@ inline void Query_cache_query::unlock_reading() void Query_cache_query::init_n_lock() { DBUG_ENTER("Query_cache_query::init_n_lock"); - res=0; wri = 0; len = 0; ready= 0; + res=0; wri = 0; len = 0; ready= 0; hit_count = 0; mysql_rwlock_init(key_rwlock_query_cache_query_lock, &lock); lock_writing(); DBUG_PRINT("qcache", ("inited & locked query for block 0x%lx", @@ -2142,6 +2142,7 @@ lookup: } move_to_query_list_end(query_block); hits++; + query->increment_hits(); unlock(); /* |