diff options
Diffstat (limited to 'sql/sys_vars.h')
| -rw-r--r-- | sql/sys_vars.h | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/sql/sys_vars.h b/sql/sys_vars.h index 740c4f03e3e..e0769836e61 100644 --- a/sql/sys_vars.h +++ b/sql/sys_vars.h @@ -703,8 +703,9 @@ static bool update_buffer_size(THD *thd, KEY_CACHE *key_cache, return error; } -static bool update_keycache_param(THD *thd, KEY_CACHE *key_cache, - ptrdiff_t offset, ulonglong new_value) +static bool update_keycache(THD *thd, KEY_CACHE *key_cache, + ptrdiff_t offset, ulonglong new_value, + (int)(*)(KEY_CACHE *) func) { bool error= false; DBUG_ASSERT(offset != offsetof(KEY_CACHE, param_buff_size)); @@ -713,14 +714,35 @@ static bool update_keycache_param(THD *thd, KEY_CACHE *key_cache, key_cache->in_init= 1; mysql_mutex_unlock(&LOCK_global_system_variables); - error= ha_resize_key_cache(key_cache); - + error= func(key_cache); mysql_mutex_lock(&LOCK_global_system_variables); key_cache->in_init= 0; return error; } +static bool resize_keycache(THD *thd, KEY_CACHE *key_cache, + ptrdiff_t offset, ulonglong new_value) +{ + return update_keycache(thd, key_cache, offset, new_value, + ha_resize_key_cache); +} + +static bool change_keycache_param(THD *thd, KEY_CACHE *key_cache, + ptrdiff_t offset, ulonglong new_value) +{ + return update_keycache(thd, key_cache, offset, new_value, + ha_change_key_cache_param); +} + +static bool repartition_keycache(THD *thd, KEY_CACHE *key_cache, + ptrdiff_t offset, ulonglong new_value) +{ + return update_keycache(thd, key_cache, offset, new_value, + ha_repartition_key_cache); +} + + /** The class for floating point variables |