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MDEV-4570 [PATCH] Sys_query_cache_limit initialization depends on initialization in other source files

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unknown 2013-07-16 15:44:38 +03:00
parent 097e65625a
commit 18cb29d432
3 changed files with 12 additions and 2 deletions
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2
sql/mysqld.cc
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@ -488,6 +488,7 @@ ulong slave_max_allowed_packet= 0;
ulonglong binlog_stmt_cache_size=0;
ulonglong max_binlog_stmt_cache_size=0;
ulonglong query_cache_size=0;
ulong query_cache_limit=0;
ulong refresh_version; /* Increments on each reload */
ulong executed_events=0;
query_id_t global_query_id;
@ -4466,6 +4467,7 @@ static int init_server_components()
query_cache_set_min_res_unit(query_cache_min_res_unit);
query_cache_init();
query_cache_resize(query_cache_size);
query_cache_result_size_limit(query_cache_limit);
my_rnd_init(&sql_rand,(ulong) server_start_time,(ulong) server_start_time/2);
setup_fpu();
init_thr_lock();

1
sql/mysqld.h
View File

@ -156,6 +156,7 @@ extern ulong delayed_insert_threads, delayed_insert_writes;
extern ulong delayed_rows_in_use,delayed_insert_errors;
extern ulong slave_open_temp_tables;
extern ulonglong query_cache_size;
extern ulong query_cache_limit;
extern ulong query_cache_min_res_unit;
extern ulong slow_launch_threads, slow_launch_time;
extern ulong table_cache_size, table_def_size;

11
sql/sys_vars.cc
View File

@ -2245,6 +2245,11 @@ static bool fix_query_cache_size(sys_var *self, THD *thd, enum_var_type type)
query_cache_size= new_cache_size;
return false;
}
static bool fix_query_cache_limit(sys_var *self, THD *thd, enum_var_type type)
{
query_cache.result_size_limit(query_cache_limit);
return false;
}
static Sys_var_ulonglong Sys_query_cache_size(
"query_cache_size",
"The memory allocated to store results from old queries",
@ -2256,8 +2261,10 @@ static Sys_var_ulonglong Sys_query_cache_size(
static Sys_var_ulong Sys_query_cache_limit(
"query_cache_limit",
"Don't cache results that are bigger than this",
GLOBAL_VAR(query_cache.query_cache_limit), CMD_LINE(REQUIRED_ARG),
VALID_RANGE(0, UINT_MAX), DEFAULT(1024*1024), BLOCK_SIZE(1));
GLOBAL_VAR(query_cache_limit), CMD_LINE(REQUIRED_ARG),
VALID_RANGE(0, UINT_MAX), DEFAULT(1024*1024), BLOCK_SIZE(1),
NO_MUTEX_GUARD, NOT_IN_BINLOG, ON_CHECK(NULL),
ON_UPDATE(fix_query_cache_limit));
static bool fix_qcache_min_res_unit(sys_var *self, THD *thd, enum_var_type type)
{