由于show global status的内容多达353项,上次我们仅仅找到了其中的一部分。那剩下的去哪里了？
一、show global status基本流程（补充）
我们翻阅上次博客的内容，发现一个我们没有深入探讨的函数
1.在PFS_status_variable_cache::manifest中
1 void PFS_status_variable_cache::manifest(THD *thd, const SHOW_VAR *show_var_array,
2 STATUS_VAR *status_vars, const char *prefix,
3 bool nested_array, bool strict)
4 {
5 for (const SHOW_VAR *show_var_iter= show_var_array;
6 show_var_iter && show_var_iter->name;
7 show_var_iter++)
8 {
9 char value_buf[SHOW_VAR_FUNC_BUFF_SIZE+1]; /* work buffer */
10 SHOW_VAR show_var_tmp;
11 const SHOW_VAR *show_var_ptr= show_var_iter; /* preserve array pointer */
12
13 /*
14 If the value is a function reference, then execute the function and
15 reevaluate the new SHOW_TYPE and value. Handle nested case where
16 SHOW_FUNC resolves to another SHOW_FUNC.
17 */
18 if (show_var_ptr->type == SHOW_FUNC)
19 {
20 show_var_tmp= *show_var_ptr;
21 /*
22 Execute the function reference in show_var_tmp->value, which returns
23 show_var_tmp with a new type and new value.
24 */
25 for (const SHOW_VAR *var= show_var_ptr; var->type == SHOW_FUNC; var= &show_var_tmp)
26 {
27 ((mysql_show_var_func)(var->value))(thd, &show_var_tmp, value_buf);
28 }
29 show_var_ptr= &show_var_tmp;
30 }
31
32 /*
33 If we are expanding a SHOW_ARRAY, filter variables that were not prefiltered by
34 init_show_var_array().
35 */
36 if (nested_array && filter_show_var(show_var_ptr, strict))
37 continue;
38
39 if (show_var_ptr->type == SHOW_ARRAY)
40 {
41 /*
42 Status variables of type SHOW_ARRAY were expanded and filtered by
43 init_show_var_array(), except where a SHOW_FUNC resolves into a
44 SHOW_ARRAY, such as with InnoDB. Recurse to expand the subarray.
45 */
46 manifest(thd, (SHOW_VAR *)show_var_ptr->value, status_vars, show_var_ptr->name, true, strict);
47 }
48 else
49 {
50 /* Add the materialized status variable to the cache. */
51 SHOW_VAR show_var= *show_var_ptr;
52 /*
53 For nested array expansions, make a copy of the variable name, just as
54 done in init_show_var_array().
55 */
56 if (nested_array)
57 show_var.name= make_show_var_name(prefix, show_var_ptr->name);
58
59 /* Convert status value to string format. Add to the cache. */
60 Status_variable status_var(&show_var, status_vars, m_query_scope);
61 m_cache.push_back(status_var);
62 }
63 }
64 }
在这个函数中，我们发现我们的status_vars即统计得到的global_status_var仅仅被用于
1 if (show_var_ptr->type == SHOW_ARRAY)
2 {
3 /*
4 Status variables of type SHOW_ARRAY were expanded and filtered by
5 init_show_var_array(), except where a SHOW_FUNC resolves into a
6 SHOW_ARRAY, such as with InnoDB. Recurse to expand the subarray.
7 */
8 manifest(thd, (SHOW_VAR *)show_var_ptr->value, status_vars, show_var_ptr->name, true, strict);
9 }
我们并没有进行讨论这个分支，因为这个里面有一个令人匪夷所思的函数调用var->value。
对于SHOW_VAR
1 typedef struct st_mysql_show_var SHOW_VAR;
2 struct st_mysql_show_var
3 {
4 const char *name;
5 char *value;
6 enum enum_mysql_show_type type;
7 enum enum_mysql_show_scope scope;
8 };
对于enum_mysql_show_type的定义，显示的类型。
1 /**
2 Declarations for SHOW STATUS support in plugins
3 */
4 enum enum_mysql_show_type
5 {
6 SHOW_UNDEF, SHOW_BOOL,
7 SHOW_INT, ///< shown as _unsigned_ int
8 SHOW_LONG, ///< shown as _unsigned_ long
9 SHOW_LONGLONG, ///< shown as _unsigned_ longlong
10 SHOW_CHAR, SHOW_CHAR_PTR,
11 SHOW_ARRAY, SHOW_FUNC, SHOW_DOUBLE
12 #ifdef MYSQL_SERVER
13 /*
14 This include defines server-only values of the enum.
15 Using them in plugins is not supported.
16 */
17 #include "sql_plugin_enum.h"
18 #endif
19 };
对于enum_mysql_show_scope的定义，显示用于那种命令。
1 /**
2 Status variable scope.
3 Only GLOBAL status variable scope is available in plugins.
4 */
5 enum enum_mysql_show_scope
6 {
7 SHOW_SCOPE_UNDEF,
8 SHOW_SCOPE_GLOBAL
9 #ifdef MYSQL_SERVER
10 /* Server-only values. Not supported in plugins. */
11 ,
12 SHOW_SCOPE_SESSION,
13 SHOW_SCOPE_ALL
14 #endif
15 };
然后我们全文查找下这个SHOW_VAR
在 sql\mysqld.cc中有com_status_vars， STATUS_VAR就是system_status_var，总数为147
1 SHOW_VAR com_status_vars[]= {
2 {"admin_commands", (char*) offsetof(STATUS_VAR, com_other), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
3 {"assign_to_keycache", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_ASSIGN_TO_KEYCACHE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
4 {"alter_db", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_ALTER_DB]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
5 {"alter_db_upgrade", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_ALTER_DB_UPGRADE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
6 {"alter_event", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_ALTER_EVENT]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
7 {"alter_function", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_ALTER_FUNCTION]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
8 {"alter_instance", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_ALTER_INSTANCE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
9 {"alter_procedure", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_ALTER_PROCEDURE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
10 {"alter_server", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_ALTER_SERVER]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
11 {"alter_table", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_ALTER_TABLE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
12 {"alter_tablespace", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_ALTER_TABLESPACE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
13 {"alter_user", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_ALTER_USER]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
14 {"analyze", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_ANALYZE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
15 {"begin", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_BEGIN]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
16 {"binlog", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_BINLOG_BASE64_EVENT]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
17 {"call_procedure", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CALL]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
18 {"change_db", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CHANGE_DB]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
19 {"change_master", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CHANGE_MASTER]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
20 {"change_repl_filter", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CHANGE_REPLICATION_FILTER]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
21 {"check", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CHECK]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
22 {"checksum", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CHECKSUM]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
23 {"commit", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_COMMIT]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
24 {"create_db", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CREATE_DB]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
25 {"create_event", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CREATE_EVENT]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
26 {"create_function", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CREATE_SPFUNCTION]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
27 {"create_index", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CREATE_INDEX]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
28 {"create_procedure", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CREATE_PROCEDURE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
29 {"create_server", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CREATE_SERVER]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
30 {"create_table", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CREATE_TABLE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
31 {"create_trigger", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CREATE_TRIGGER]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
32 {"create_udf", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CREATE_FUNCTION]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
33 {"create_user", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CREATE_USER]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
34 {"create_view", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CREATE_VIEW]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
35 {"dealloc_sql", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_DEALLOCATE_PREPARE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
36 {"delete", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_DELETE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
37 {"delete_multi", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_DELETE_MULTI]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
38 {"do", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_DO]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
39 {"drop_db", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_DROP_DB]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
40 {"drop_event", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_DROP_EVENT]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
41 {"drop_function", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_DROP_FUNCTION]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
42 {"drop_index", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_DROP_INDEX]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
43 {"drop_procedure", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_DROP_PROCEDURE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
44 {"drop_server", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_DROP_SERVER]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
45 {"drop_table", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_DROP_TABLE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
46 {"drop_trigger", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_DROP_TRIGGER]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
47 {"drop_user", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_DROP_USER]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
48 {"drop_view", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_DROP_VIEW]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
49 {"empty_query", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_EMPTY_QUERY]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
50 {"execute_sql", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_EXECUTE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
51 {"explain_other", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_EXPLAIN_OTHER]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
52 {"flush", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_FLUSH]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
53 {"get_diagnostics", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_GET_DIAGNOSTICS]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
54 {"grant", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_GRANT]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
55 {"ha_close", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_HA_CLOSE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
56 {"ha_open", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_HA_OPEN]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
57 {"ha_read", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_HA_READ]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
58 {"help", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_HELP]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
59 {"insert", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_INSERT]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
60 {"insert_select", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_INSERT_SELECT]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
61 {"install_plugin", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_INSTALL_PLUGIN]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
62 {"kill", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_KILL]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
63 {"load", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_LOAD]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
64 {"lock_tables", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_LOCK_TABLES]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
65 {"optimize", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_OPTIMIZE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
66 {"preload_keys", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_PRELOAD_KEYS]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
67 {"prepare_sql", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_PREPARE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
68 {"purge", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_PURGE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
69 {"purge_before_date", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_PURGE_BEFORE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
70 {"release_savepoint", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_RELEASE_SAVEPOINT]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
71 {"rename_table", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_RENAME_TABLE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
72 {"rename_user", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_RENAME_USER]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
73 {"repair", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_REPAIR]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
74 {"replace", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_REPLACE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
75 {"replace_select", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_REPLACE_SELECT]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
76 {"reset", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_RESET]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
77 {"resignal", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_RESIGNAL]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
78 {"revoke", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_REVOKE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
79 {"revoke_all", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_REVOKE_ALL]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
80 {"rollback", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_ROLLBACK]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
81 {"rollback_to_savepoint",(char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_ROLLBACK_TO_SAVEPOINT]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
82 {"savepoint", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SAVEPOINT]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
83 {"select", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SELECT]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
84 {"set_option", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SET_OPTION]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
85 {"signal", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SIGNAL]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
86 {"show_binlog_events", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_BINLOG_EVENTS]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
87 {"show_binlogs", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_BINLOGS]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
88 {"show_charsets", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_CHARSETS]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
89 {"show_collations", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_COLLATIONS]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
90 {"show_create_db", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_CREATE_DB]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
91 {"show_create_event", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_CREATE_EVENT]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
92 {"show_create_func", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_CREATE_FUNC]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
93 {"show_create_proc", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_CREATE_PROC]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
94 {"show_create_table", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_CREATE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
95 {"show_create_trigger", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_CREATE_TRIGGER]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
96 {"show_databases", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_DATABASES]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
97 {"show_engine_logs", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_ENGINE_LOGS]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
98 {"show_engine_mutex", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_ENGINE_MUTEX]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
99 {"show_engine_status", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_ENGINE_STATUS]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
100 {"show_events", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_EVENTS]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
101 {"show_errors", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_ERRORS]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
102 {"show_fields", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_FIELDS]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
103 {"show_function_code", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_FUNC_CODE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
104 {"show_function_status", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_STATUS_FUNC]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
105 {"show_grants", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_GRANTS]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
106 {"show_keys", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_KEYS]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
107 {"show_master_status", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_MASTER_STAT]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
108 {"show_open_tables", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_OPEN_TABLES]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
109 {"show_plugins", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_PLUGINS]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
110 {"show_privileges", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_PRIVILEGES]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
111 {"show_procedure_code", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_PROC_CODE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
112 {"show_procedure_status",(char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_STATUS_PROC]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
113 {"show_processlist", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_PROCESSLIST]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
114 {"show_profile", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_PROFILE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
115 {"show_profiles", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_PROFILES]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
116 {"show_relaylog_events", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_RELAYLOG_EVENTS]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
117 {"show_slave_hosts", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_SLAVE_HOSTS]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
118 {"show_slave_status", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_SLAVE_STAT]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
119 {"show_status", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_STATUS]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
120 {"show_storage_engines", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_STORAGE_ENGINES]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
121 {"show_table_status", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_TABLE_STATUS]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
122 {"show_tables", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_TABLES]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
123 {"show_triggers", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_TRIGGERS]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
124 {"show_variables", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_VARIABLES]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
125 {"show_warnings", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_WARNS]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
126 {"show_create_user", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHOW_CREATE_USER]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
127 {"shutdown", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SHUTDOWN]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
128 {"slave_start", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SLAVE_START]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
129 {"slave_stop", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_SLAVE_STOP]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
130 {"group_replication_start", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_START_GROUP_REPLICATION]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
131 {"group_replication_stop", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_STOP_GROUP_REPLICATION]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
132 {"stmt_execute", (char*) offsetof(STATUS_VAR, com_stmt_execute), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
133 {"stmt_close", (char*) offsetof(STATUS_VAR, com_stmt_close), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
134 {"stmt_fetch", (char*) offsetof(STATUS_VAR, com_stmt_fetch), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
135 {"stmt_prepare", (char*) offsetof(STATUS_VAR, com_stmt_prepare), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
136 {"stmt_reset", (char*) offsetof(STATUS_VAR, com_stmt_reset), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
137 {"stmt_send_long_data", (char*) offsetof(STATUS_VAR, com_stmt_send_long_data), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
138 {"truncate", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_TRUNCATE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
139 {"uninstall_plugin", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_UNINSTALL_PLUGIN]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
140 {"unlock_tables", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_UNLOCK_TABLES]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
141 {"update", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_UPDATE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
142 {"update_multi", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_UPDATE_MULTI]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
143 {"xa_commit", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_XA_COMMIT]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
144 {"xa_end", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_XA_END]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
145 {"xa_prepare", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_XA_PREPARE]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
146 {"xa_recover", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_XA_RECOVER]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
147 {"xa_rollback", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_XA_ROLLBACK]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
148 {"xa_start", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_XA_START]), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
149 {NullS, NullS, SHOW_LONG, SHOW_SCOPE_ALL}
150 };
以及status_vars，总数除了一个array，还有DUG_OFF的3项为134项
1 SHOW_VAR status_vars[]= {
2 {"Aborted_clients", (char*) &aborted_threads, SHOW_LONG, SHOW_SCOPE_GLOBAL},
3 #ifndef EMBEDDED_LIBRARY
4 {"Aborted_connects", (char*) &show_aborted_connects, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
5 #endif
6 #ifdef HAVE_REPLICATION
7 #ifndef DBUG_OFF
8 {"Ongoing_anonymous_gtid_violating_transaction_count",(char*) &show_ongoing_anonymous_gtid_violating_transaction_count, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
9 #endif//!DBUG_OFF
10 {"Ongoing_anonymous_transaction_count",(char*) &show_ongoing_anonymous_transaction_count, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
11 #ifndef DBUG_OFF
12 {"Ongoing_automatic_gtid_violating_transaction_count",(char*) &show_ongoing_automatic_gtid_violating_transaction_count, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
13 #endif//!DBUG_OFF
14 #endif//HAVE_REPLICATION
15 {"Binlog_cache_disk_use", (char*) &binlog_cache_disk_use, SHOW_LONG, SHOW_SCOPE_GLOBAL},
16 {"Binlog_cache_use", (char*) &binlog_cache_use, SHOW_LONG, SHOW_SCOPE_GLOBAL},
17 {"Binlog_stmt_cache_disk_use",(char*) &binlog_stmt_cache_disk_use, SHOW_LONG, SHOW_SCOPE_GLOBAL},
18 {"Binlog_stmt_cache_use", (char*) &binlog_stmt_cache_use, SHOW_LONG, SHOW_SCOPE_GLOBAL},
19 {"Bytes_received", (char*) offsetof(STATUS_VAR, bytes_received), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
20 {"Bytes_sent", (char*) offsetof(STATUS_VAR, bytes_sent), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
21 {"Com", (char*) com_status_vars, SHOW_ARRAY, SHOW_SCOPE_ALL},
22 {"Com_stmt_reprepare", (char*) offsetof(STATUS_VAR, com_stmt_reprepare), SHOW_LONG_STATUS, SHOW_SCOPE_ALL},
23 {"Compression", (char*) &show_net_compression, SHOW_FUNC, SHOW_SCOPE_SESSION},
24 {"Connections", (char*) &show_thread_id_count, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
25 #ifndef EMBEDDED_LIBRARY
26 {"Connection_errors_accept", (char*) &show_connection_errors_accept, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
27 {"Connection_errors_internal", (char*) &connection_errors_internal, SHOW_LONG, SHOW_SCOPE_GLOBAL},
28 {"Connection_errors_max_connections", (char*) &show_connection_errors_max_connection, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
29 {"Connection_errors_peer_address", (char*) &connection_errors_peer_addr, SHOW_LONG, SHOW_SCOPE_GLOBAL},
30 {"Connection_errors_select", (char*) &show_connection_errors_select, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
31 {"Connection_errors_tcpwrap", (char*) &show_connection_errors_tcpwrap, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
32 #endif
33 {"Created_tmp_disk_tables", (char*) offsetof(STATUS_VAR, created_tmp_disk_tables), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
34 {"Created_tmp_files", (char*) &my_tmp_file_created, SHOW_LONG, SHOW_SCOPE_GLOBAL},
35 {"Created_tmp_tables", (char*) offsetof(STATUS_VAR, created_tmp_tables), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
36 {"Delayed_errors", (char*) &delayed_insert_errors, SHOW_LONG, SHOW_SCOPE_GLOBAL},
37 {"Delayed_insert_threads", (char*) &delayed_insert_threads, SHOW_LONG_NOFLUSH, SHOW_SCOPE_GLOBAL},
38 {"Delayed_writes", (char*) &delayed_insert_writes, SHOW_LONG, SHOW_SCOPE_GLOBAL},
39 {"Flush_commands", (char*) &refresh_version, SHOW_LONG_NOFLUSH, SHOW_SCOPE_GLOBAL},
40 {"Handler_commit", (char*) offsetof(STATUS_VAR, ha_commit_count), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
41 {"Handler_delete", (char*) offsetof(STATUS_VAR, ha_delete_count), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
42 {"Handler_discover", (char*) offsetof(STATUS_VAR, ha_discover_count), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
43 {"Handler_external_lock", (char*) offsetof(STATUS_VAR, ha_external_lock_count), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
44 {"Handler_mrr_init", (char*) offsetof(STATUS_VAR, ha_multi_range_read_init_count), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
45 {"Handler_prepare", (char*) offsetof(STATUS_VAR, ha_prepare_count), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
46 {"Handler_read_first", (char*) offsetof(STATUS_VAR, ha_read_first_count), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
47 {"Handler_read_key", (char*) offsetof(STATUS_VAR, ha_read_key_count), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
48 {"Handler_read_last", (char*) offsetof(STATUS_VAR, ha_read_last_count), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
49 {"Handler_read_next", (char*) offsetof(STATUS_VAR, ha_read_next_count), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
50 {"Handler_read_prev", (char*) offsetof(STATUS_VAR, ha_read_prev_count), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
51 {"Handler_read_rnd", (char*) offsetof(STATUS_VAR, ha_read_rnd_count), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
52 {"Handler_read_rnd_next", (char*) offsetof(STATUS_VAR, ha_read_rnd_next_count), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
53 {"Handler_rollback", (char*) offsetof(STATUS_VAR, ha_rollback_count), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
54 {"Handler_savepoint", (char*) offsetof(STATUS_VAR, ha_savepoint_count), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
55 {"Handler_savepoint_rollback",(char*) offsetof(STATUS_VAR, ha_savepoint_rollback_count), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
56 {"Handler_update", (char*) offsetof(STATUS_VAR, ha_update_count), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
57 {"Handler_write", (char*) offsetof(STATUS_VAR, ha_write_count), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
58 {"Key_blocks_not_flushed", (char*) offsetof(KEY_CACHE, global_blocks_changed), SHOW_KEY_CACHE_LONG, SHOW_SCOPE_GLOBAL},
59 {"Key_blocks_unused", (char*) offsetof(KEY_CACHE, blocks_unused), SHOW_KEY_CACHE_LONG, SHOW_SCOPE_GLOBAL},
60 {"Key_blocks_used", (char*) offsetof(KEY_CACHE, blocks_used), SHOW_KEY_CACHE_LONG, SHOW_SCOPE_GLOBAL},
61 {"Key_read_requests", (char*) offsetof(KEY_CACHE, global_cache_r_requests), SHOW_KEY_CACHE_LONGLONG, SHOW_SCOPE_GLOBAL},
62 {"Key_reads", (char*) offsetof(KEY_CACHE, global_cache_read), SHOW_KEY_CACHE_LONGLONG, SHOW_SCOPE_GLOBAL},
63 {"Key_write_requests", (char*) offsetof(KEY_CACHE, global_cache_w_requests), SHOW_KEY_CACHE_LONGLONG, SHOW_SCOPE_GLOBAL},
64 {"Key_writes", (char*) offsetof(KEY_CACHE, global_cache_write), SHOW_KEY_CACHE_LONGLONG, SHOW_SCOPE_GLOBAL},
65 {"Last_query_cost", (char*) offsetof(STATUS_VAR, last_query_cost), SHOW_DOUBLE_STATUS, SHOW_SCOPE_SESSION},
66 {"Last_query_partial_plans", (char*) offsetof(STATUS_VAR, last_query_partial_plans),SHOW_LONGLONG_STATUS, SHOW_SCOPE_SESSION},
67 #ifndef EMBEDDED_LIBRARY
68 {"Locked_connects", (char*) &locked_account_connection_count, SHOW_LONG, SHOW_SCOPE_GLOBAL},
69 #endif
70 {"Max_execution_time_exceeded", (char*) offsetof(STATUS_VAR, max_execution_time_exceeded), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
71 {"Max_execution_time_set", (char*) offsetof(STATUS_VAR, max_execution_time_set), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
72 {"Max_execution_time_set_failed", (char*) offsetof(STATUS_VAR, max_execution_time_set_failed), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
73 {"Max_used_connections", (char*) &Connection_handler_manager::max_used_connections, SHOW_LONG, SHOW_SCOPE_GLOBAL},
74 {"Max_used_connections_time",(char*) &show_max_used_connections_time, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
75 {"Not_flushed_delayed_rows", (char*) &delayed_rows_in_use, SHOW_LONG_NOFLUSH, SHOW_SCOPE_GLOBAL},
76 {"Open_files", (char*) &my_file_opened, SHOW_LONG_NOFLUSH, SHOW_SCOPE_GLOBAL},
77 {"Open_streams", (char*) &my_stream_opened, SHOW_LONG_NOFLUSH, SHOW_SCOPE_GLOBAL},
78 {"Open_table_definitions", (char*) &show_table_definitions, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
79 {"Open_tables", (char*) &show_open_tables, SHOW_FUNC, SHOW_SCOPE_ALL},
80 {"Opened_files", (char*) &my_file_total_opened, SHOW_LONG_NOFLUSH, SHOW_SCOPE_GLOBAL},
81 {"Opened_tables", (char*) offsetof(STATUS_VAR, opened_tables), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
82 {"Opened_table_definitions", (char*) offsetof(STATUS_VAR, opened_shares), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
83 {"Prepared_stmt_count", (char*) &show_prepared_stmt_count, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
84 {"Qcache_free_blocks", (char*) &query_cache.free_memory_blocks, SHOW_LONG_NOFLUSH, SHOW_SCOPE_GLOBAL},
85 {"Qcache_free_memory", (char*) &query_cache.free_memory, SHOW_LONG_NOFLUSH, SHOW_SCOPE_GLOBAL},
86 {"Qcache_hits", (char*) &query_cache.hits, SHOW_LONG, SHOW_SCOPE_GLOBAL},
87 {"Qcache_inserts", (char*) &query_cache.inserts, SHOW_LONG, SHOW_SCOPE_GLOBAL},
88 {"Qcache_lowmem_prunes", (char*) &query_cache.lowmem_prunes, SHOW_LONG, SHOW_SCOPE_GLOBAL},
89 {"Qcache_not_cached", (char*) &query_cache.refused, SHOW_LONG, SHOW_SCOPE_GLOBAL},
90 {"Qcache_queries_in_cache", (char*) &query_cache.queries_in_cache, SHOW_LONG_NOFLUSH, SHOW_SCOPE_GLOBAL},
91 {"Qcache_total_blocks", (char*) &query_cache.total_blocks, SHOW_LONG_NOFLUSH, SHOW_SCOPE_GLOBAL},
92 {"Queries", (char*) &show_queries, SHOW_FUNC, SHOW_SCOPE_ALL},
93 {"Questions", (char*) offsetof(STATUS_VAR, questions), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
94 {"Select_full_join", (char*) offsetof(STATUS_VAR, select_full_join_count), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
95 {"Select_full_range_join", (char*) offsetof(STATUS_VAR, select_full_range_join_count), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
96 {"Select_range", (char*) offsetof(STATUS_VAR, select_range_count), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
97 {"Select_range_check", (char*) offsetof(STATUS_VAR, select_range_check_count), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
98 {"Select_scan", (char*) offsetof(STATUS_VAR, select_scan_count), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
99 {"Slave_open_temp_tables", (char*) &show_slave_open_temp_tables, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
100 #ifdef HAVE_REPLICATION
101 {"Slave_retried_transactions",(char*) &show_slave_retried_trans, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
102 {"Slave_heartbeat_period", (char*) &show_heartbeat_period, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
103 {"Slave_received_heartbeats",(char*) &show_slave_received_heartbeats, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
104 {"Slave_last_heartbeat", (char*) &show_slave_last_heartbeat, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
105 #ifndef DBUG_OFF
106 {"Slave_rows_last_search_algorithm_used",(char*) &show_slave_rows_last_search_algorithm_used, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
107 #endif
108 {"Slave_running", (char*) &show_slave_running, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
109 #endif
110 #ifndef EMBEDDED_LIBRARY
111 {"Slow_launch_threads", (char*) &Per_thread_connection_handler::slow_launch_threads, SHOW_LONG, SHOW_SCOPE_ALL},
112 #endif
113 {"Slow_queries", (char*) offsetof(STATUS_VAR, long_query_count), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
114 {"Sort_merge_passes", (char*) offsetof(STATUS_VAR, filesort_merge_passes), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
115 {"Sort_range", (char*) offsetof(STATUS_VAR, filesort_range_count), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
116 {"Sort_rows", (char*) offsetof(STATUS_VAR, filesort_rows), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
117 {"Sort_scan", (char*) offsetof(STATUS_VAR, filesort_scan_count), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
118 #ifdef HAVE_OPENSSL
119 #ifndef EMBEDDED_LIBRARY
120 {"Ssl_accept_renegotiates", (char*) &show_ssl_ctx_sess_accept_renegotiate, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
121 {"Ssl_accepts", (char*) &show_ssl_ctx_sess_accept, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
122 {"Ssl_callback_cache_hits", (char*) &show_ssl_ctx_sess_cb_hits, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
123 {"Ssl_cipher", (char*) &show_ssl_get_cipher, SHOW_FUNC, SHOW_SCOPE_ALL},
124 {"Ssl_cipher_list", (char*) &show_ssl_get_cipher_list, SHOW_FUNC, SHOW_SCOPE_ALL},
125 {"Ssl_client_connects", (char*) &show_ssl_ctx_sess_connect, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
126 {"Ssl_connect_renegotiates", (char*) &show_ssl_ctx_sess_connect_renegotiate, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
127 {"Ssl_ctx_verify_depth", (char*) &show_ssl_ctx_get_verify_depth, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
128 {"Ssl_ctx_verify_mode", (char*) &show_ssl_ctx_get_verify_mode, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
129 {"Ssl_default_timeout", (char*) &show_ssl_get_default_timeout, SHOW_FUNC, SHOW_SCOPE_ALL},
130 {"Ssl_finished_accepts", (char*) &show_ssl_ctx_sess_accept_good, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
131 {"Ssl_finished_connects", (char*) &show_ssl_ctx_sess_connect_good, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
132 {"Ssl_session_cache_hits", (char*) &show_ssl_ctx_sess_hits, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
133 {"Ssl_session_cache_misses", (char*) &show_ssl_ctx_sess_misses, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
134 {"Ssl_session_cache_mode", (char*) &show_ssl_ctx_get_session_cache_mode, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
135 {"Ssl_session_cache_overflows", (char*) &show_ssl_ctx_sess_cache_full, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
136 {"Ssl_session_cache_size", (char*) &show_ssl_ctx_sess_get_cache_size, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
137 {"Ssl_session_cache_timeouts", (char*) &show_ssl_ctx_sess_timeouts, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
138 {"Ssl_sessions_reused", (char*) &show_ssl_session_reused, SHOW_FUNC, SHOW_SCOPE_ALL},
139 {"Ssl_used_session_cache_entries",(char*) &show_ssl_ctx_sess_number, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
140 {"Ssl_verify_depth", (char*) &show_ssl_get_verify_depth, SHOW_FUNC, SHOW_SCOPE_ALL},
141 {"Ssl_verify_mode", (char*) &show_ssl_get_verify_mode, SHOW_FUNC, SHOW_SCOPE_ALL},
142 {"Ssl_version", (char*) &show_ssl_get_version, SHOW_FUNC, SHOW_SCOPE_ALL},
143 {"Ssl_server_not_before", (char*) &show_ssl_get_server_not_before, SHOW_FUNC, SHOW_SCOPE_ALL},
144 {"Ssl_server_not_after", (char*) &show_ssl_get_server_not_after, SHOW_FUNC, SHOW_SCOPE_ALL},
145 #ifndef HAVE_YASSL
146 {"Rsa_public_key", (char*) &show_rsa_public_key, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
147 #endif
148 #endif
149 #endif /* HAVE_OPENSSL */
150 {"Table_locks_immediate", (char*) &locks_immediate, SHOW_LONG, SHOW_SCOPE_GLOBAL},
151 {"Table_locks_waited", (char*) &locks_waited, SHOW_LONG, SHOW_SCOPE_GLOBAL},
152 {"Table_open_cache_hits", (char*) offsetof(STATUS_VAR, table_open_cache_hits), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
153 {"Table_open_cache_misses", (char*) offsetof(STATUS_VAR, table_open_cache_misses), SHOW_LONGLONG_STATUS, SHOW_SCOPE_ALL},
154 {"Table_open_cache_overflows",(char*) offsetof(STATUS_VAR, table_open_cache_overflows), SHOW_LONGLONG_STATUS,SHOW_SCOPE_ALL},
155 {"Tc_log_max_pages_used", (char*) &tc_log_max_pages_used, SHOW_LONG, SHOW_SCOPE_GLOBAL},
156 {"Tc_log_page_size", (char*) &tc_log_page_size, SHOW_LONG_NOFLUSH, SHOW_SCOPE_GLOBAL},
157 {"Tc_log_page_waits", (char*) &tc_log_page_waits, SHOW_LONG, SHOW_SCOPE_GLOBAL},
158 #ifndef EMBEDDED_LIBRARY
159 {"Threads_cached", (char*) &Per_thread_connection_handler::blocked_pthread_count, SHOW_LONG_NOFLUSH, SHOW_SCOPE_GLOBAL},
160 #endif
161 {"Threads_connected", (char*) &Connection_handler_manager::connection_count, SHOW_INT, SHOW_SCOPE_GLOBAL},
162 {"Threads_created", (char*) &show_num_thread_created, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
163 {"Threads_running", (char*) &show_num_thread_running, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
164 {"Uptime", (char*) &show_starttime, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
165 #ifdef ENABLED_PROFILING
166 {"Uptime_since_flush_status",(char*) &show_flushstatustime, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
167 #endif
168 {NullS, NullS, SHOW_LONG, SHOW_SCOPE_ALL}
169 };
在sql\ha_ndbcluster.cc中有ndb_status_variables_export，这里的除了array有3项
1 SHOW_VAR ndb_status_variables_export[]= {
2 {"Ndb", (char*) &show_ndb_vars, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
3 {"Ndb_conflict", (char*) &show_ndb_conflict_status_vars, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
4 {"Ndb", (char*) &ndb_status_injector_variables, SHOW_ARRAY, SHOW_SCOPE_GLOBAL},
5 {"Ndb", (char*) &ndb_status_slave_variables, SHOW_ARRAY, SHOW_SCOPE_GLOBAL},
6 {"Ndb", (char*) &show_ndb_server_api_stats, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
7 {"Ndb_index_stat", (char*) &ndb_status_index_stat_variables, SHOW_ARRAY, SHOW_SCOPE_GLOBAL},
8 {NullS, NullS, SHOW_LONG, SHOW_SCOPE_GLOBAL}
9 };
在sql\ndb_conflict.cc中有ndb_status_conflict_variables，这里有18项
1 SHOW_VAR ndb_status_conflict_variables[]= {
2 {"fn_max", (char*) &g_ndb_slave_state.total_violation_count[CFT_NDB_MAX], SHOW_LONGLONG, SHOW_SCOPE_GLOBAL},
3 {"fn_old", (char*) &g_ndb_slave_state.total_violation_count[CFT_NDB_OLD], SHOW_LONGLONG, SHOW_SCOPE_GLOBAL},
4 {"fn_max_del_win", (char*) &g_ndb_slave_state.total_violation_count[CFT_NDB_MAX_DEL_WIN], SHOW_LONGLONG, SHOW_SCOPE_GLOBAL},
5 {"fn_epoch", (char*) &g_ndb_slave_state.total_violation_count[CFT_NDB_EPOCH], SHOW_LONGLONG, SHOW_SCOPE_GLOBAL},
6 {"fn_epoch_trans", (char*) &g_ndb_slave_state.total_violation_count[CFT_NDB_EPOCH_TRANS], SHOW_LONGLONG, SHOW_SCOPE_GLOBAL},
7 {"fn_epoch2", (char*) &g_ndb_slave_state.total_violation_count[CFT_NDB_EPOCH2], SHOW_LONGLONG, SHOW_SCOPE_GLOBAL},
8 {"fn_epoch2_trans", (char*) &g_ndb_slave_state.total_violation_count[CFT_NDB_EPOCH2_TRANS], SHOW_LONGLONG, SHOW_SCOPE_GLOBAL},
9 {"trans_row_conflict_count", (char*) &g_ndb_slave_state.trans_row_conflict_count, SHOW_LONGLONG, SHOW_SCOPE_GLOBAL},
10 {"trans_row_reject_count", (char*) &g_ndb_slave_state.trans_row_reject_count, SHOW_LONGLONG, SHOW_SCOPE_GLOBAL},
11 {"trans_reject_count", (char*) &g_ndb_slave_state.trans_in_conflict_count, SHOW_LONGLONG, SHOW_SCOPE_GLOBAL},
12 {"trans_detect_iter_count", (char*) &g_ndb_slave_state.trans_detect_iter_count, SHOW_LONGLONG, SHOW_SCOPE_GLOBAL},
13 {"trans_conflict_commit_count",
14 (char*) &g_ndb_slave_state.trans_conflict_commit_count, SHOW_LONGLONG, SHOW_SCOPE_GLOBAL},
15 {"epoch_delete_delete_count", (char*) &g_ndb_slave_state.total_delete_delete_count, SHOW_LONGLONG, SHOW_SCOPE_GLOBAL},
16 {"reflected_op_prepare_count", (char*) &g_ndb_slave_state.total_reflect_op_prepare_count, SHOW_LONGLONG, SHOW_SCOPE_GLOBAL},
17 {"reflected_op_discard_count", (char*) &g_ndb_slave_state.total_reflect_op_discard_count, SHOW_LONGLONG, SHOW_SCOPE_GLOBAL},
18 {"refresh_op_count", (char*) &g_ndb_slave_state.total_refresh_op_count, SHOW_LONGLONG, SHOW_SCOPE_GLOBAL},
19 {"last_conflict_epoch", (char*) &g_ndb_slave_state.last_conflicted_epoch, SHOW_LONGLONG, SHOW_SCOPE_GLOBAL},
20 {"last_stable_epoch", (char*) &g_ndb_slave_state.last_stable_epoch, SHOW_LONGLONG, SHOW_SCOPE_GLOBAL},
21 {NullS, NullS, SHOW_LONG, SHOW_SCOPE_GLOBAL}
22 };
在storage\innobase\handler\ha_innodb.cc中有innodb_status_variables，这里除了DUB为51项
1 static SHOW_VAR innodb_status_variables[]= {
2 {"buffer_pool_dump_status",
3 (char*) &export_vars.innodb_buffer_pool_dump_status, SHOW_CHAR, SHOW_SCOPE_GLOBAL},
4 {"buffer_pool_load_status",
5 (char*) &export_vars.innodb_buffer_pool_load_status, SHOW_CHAR, SHOW_SCOPE_GLOBAL},
6 {"buffer_pool_resize_status",
7 (char*) &export_vars.innodb_buffer_pool_resize_status, SHOW_CHAR, SHOW_SCOPE_GLOBAL},
8 {"buffer_pool_pages_data",
9 (char*) &export_vars.innodb_buffer_pool_pages_data, SHOW_LONG, SHOW_SCOPE_GLOBAL},
10 {"buffer_pool_bytes_data",
11 (char*) &export_vars.innodb_buffer_pool_bytes_data, SHOW_LONG, SHOW_SCOPE_GLOBAL},
12 {"buffer_pool_pages_dirty",
13 (char*) &export_vars.innodb_buffer_pool_pages_dirty, SHOW_LONG, SHOW_SCOPE_GLOBAL},
14 {"buffer_pool_bytes_dirty",
15 (char*) &export_vars.innodb_buffer_pool_bytes_dirty, SHOW_LONG, SHOW_SCOPE_GLOBAL},
16 {"buffer_pool_pages_flushed",
17 (char*) &export_vars.innodb_buffer_pool_pages_flushed, SHOW_LONG, SHOW_SCOPE_GLOBAL},
18 {"buffer_pool_pages_free",
19 (char*) &export_vars.innodb_buffer_pool_pages_free, SHOW_LONG, SHOW_SCOPE_GLOBAL},
20 #ifdef UNIV_DEBUG
21 {"buffer_pool_pages_latched",
22 (char*) &export_vars.innodb_buffer_pool_pages_latched, SHOW_LONG, SHOW_SCOPE_GLOBAL},
23 #endif /* UNIV_DEBUG */
24 {"buffer_pool_pages_misc",
25 (char*) &export_vars.innodb_buffer_pool_pages_misc, SHOW_LONG, SHOW_SCOPE_GLOBAL},
26 {"buffer_pool_pages_total",
27 (char*) &export_vars.innodb_buffer_pool_pages_total, SHOW_LONG, SHOW_SCOPE_GLOBAL},
28 {"buffer_pool_read_ahead_rnd",
29 (char*) &export_vars.innodb_buffer_pool_read_ahead_rnd, SHOW_LONG, SHOW_SCOPE_GLOBAL},
30 {"buffer_pool_read_ahead",
31 (char*) &export_vars.innodb_buffer_pool_read_ahead, SHOW_LONG, SHOW_SCOPE_GLOBAL},
32 {"buffer_pool_read_ahead_evicted",
33 (char*) &export_vars.innodb_buffer_pool_read_ahead_evicted, SHOW_LONG, SHOW_SCOPE_GLOBAL},
34 {"buffer_pool_read_requests",
35 (char*) &export_vars.innodb_buffer_pool_read_requests, SHOW_LONG, SHOW_SCOPE_GLOBAL},
36 {"buffer_pool_reads",
37 (char*) &export_vars.innodb_buffer_pool_reads, SHOW_LONG, SHOW_SCOPE_GLOBAL},
38 {"buffer_pool_wait_free",
39 (char*) &export_vars.innodb_buffer_pool_wait_free, SHOW_LONG, SHOW_SCOPE_GLOBAL},
40 {"buffer_pool_write_requests",
41 (char*) &export_vars.innodb_buffer_pool_write_requests, SHOW_LONG, SHOW_SCOPE_GLOBAL},
42 {"data_fsyncs",
43 (char*) &export_vars.innodb_data_fsyncs, SHOW_LONG, SHOW_SCOPE_GLOBAL},
44 {"data_pending_fsyncs",
45 (char*) &export_vars.innodb_data_pending_fsyncs, SHOW_LONG, SHOW_SCOPE_GLOBAL},
46 {"data_pending_reads",
47 (char*) &export_vars.innodb_data_pending_reads, SHOW_LONG, SHOW_SCOPE_GLOBAL},
48 {"data_pending_writes",
49 (char*) &export_vars.innodb_data_pending_writes, SHOW_LONG, SHOW_SCOPE_GLOBAL},
50 {"data_read",
51 (char*) &export_vars.innodb_data_read, SHOW_LONG, SHOW_SCOPE_GLOBAL},
52 {"data_reads",
53 (char*) &export_vars.innodb_data_reads, SHOW_LONG, SHOW_SCOPE_GLOBAL},
54 {"data_writes",
55 (char*) &export_vars.innodb_data_writes, SHOW_LONG, SHOW_SCOPE_GLOBAL},
56 {"data_written",
57 (char*) &export_vars.innodb_data_written, SHOW_LONG, SHOW_SCOPE_GLOBAL},
58 {"dblwr_pages_written",
59 (char*) &export_vars.innodb_dblwr_pages_written, SHOW_LONG, SHOW_SCOPE_GLOBAL},
60 {"dblwr_writes",
61 (char*) &export_vars.innodb_dblwr_writes, SHOW_LONG, SHOW_SCOPE_GLOBAL},
62 {"log_waits",
63 (char*) &export_vars.innodb_log_waits, SHOW_LONG, SHOW_SCOPE_GLOBAL},
64 {"log_write_requests",
65 (char*) &export_vars.innodb_log_write_requests, SHOW_LONG, SHOW_SCOPE_GLOBAL},
66 {"log_writes",
67 (char*) &export_vars.innodb_log_writes, SHOW_LONG, SHOW_SCOPE_GLOBAL},
68 {"os_log_fsyncs",
69 (char*) &export_vars.innodb_os_log_fsyncs, SHOW_LONG, SHOW_SCOPE_GLOBAL},
70 {"os_log_pending_fsyncs",
71 (char*) &export_vars.innodb_os_log_pending_fsyncs, SHOW_LONG, SHOW_SCOPE_GLOBAL},
72 {"os_log_pending_writes",
73 (char*) &export_vars.innodb_os_log_pending_writes, SHOW_LONG, SHOW_SCOPE_GLOBAL},
74 {"os_log_written",
75 (char*) &export_vars.innodb_os_log_written, SHOW_LONGLONG, SHOW_SCOPE_GLOBAL},
76 {"page_size",
77 (char*) &export_vars.innodb_page_size, SHOW_LONG, SHOW_SCOPE_GLOBAL},
78 {"pages_created",
79 (char*) &export_vars.innodb_pages_created, SHOW_LONG, SHOW_SCOPE_GLOBAL},
80 {"pages_read",
81 (char*) &export_vars.innodb_pages_read, SHOW_LONG, SHOW_SCOPE_GLOBAL},
82 {"pages_written",
83 (char*) &export_vars.innodb_pages_written, SHOW_LONG, SHOW_SCOPE_GLOBAL},
84 {"row_lock_current_waits",
85 (char*) &export_vars.innodb_row_lock_current_waits, SHOW_LONG, SHOW_SCOPE_GLOBAL},
86 {"row_lock_time",
87 (char*) &export_vars.innodb_row_lock_time, SHOW_LONGLONG, SHOW_SCOPE_GLOBAL},
88 {"row_lock_time_avg",
89 (char*) &export_vars.innodb_row_lock_time_avg, SHOW_LONG, SHOW_SCOPE_GLOBAL},
90 {"row_lock_time_max",
91 (char*) &export_vars.innodb_row_lock_time_max, SHOW_LONG, SHOW_SCOPE_GLOBAL},
92 {"row_lock_waits",
93 (char*) &export_vars.innodb_row_lock_waits, SHOW_LONG, SHOW_SCOPE_GLOBAL},
94 {"rows_deleted",
95 (char*) &export_vars.innodb_rows_deleted, SHOW_LONG, SHOW_SCOPE_GLOBAL},
96 {"rows_inserted",
97 (char*) &export_vars.innodb_rows_inserted, SHOW_LONG, SHOW_SCOPE_GLOBAL},
98 {"rows_read",
99 (char*) &export_vars.innodb_rows_read, SHOW_LONG, SHOW_SCOPE_GLOBAL},
100 {"rows_updated",
101 (char*) &export_vars.innodb_rows_updated, SHOW_LONG, SHOW_SCOPE_GLOBAL},
102 {"num_open_files",
103 (char*) &export_vars.innodb_num_open_files, SHOW_LONG, SHOW_SCOPE_GLOBAL},
104 {"truncated_status_writes",
105 (char*) &export_vars.innodb_truncated_status_writes, SHOW_LONG, SHOW_SCOPE_GLOBAL},
106 {"available_undo_logs",
107 (char*) &export_vars.innodb_available_undo_logs, SHOW_LONG, SHOW_SCOPE_GLOBAL},
108 #ifdef UNIV_DEBUG
109 {"purge_trx_id_age",
110 (char*) &export_vars.innodb_purge_trx_id_age, SHOW_LONG, SHOW_SCOPE_GLOBAL},
111 {"purge_view_trx_id_age",
112 (char*) &export_vars.innodb_purge_view_trx_id_age, SHOW_LONG, SHOW_SCOPE_GLOBAL},
113 {"ahi_drop_lookups",
114 (char*) &export_vars.innodb_ahi_drop_lookups, SHOW_LONG, SHOW_SCOPE_GLOBAL},
115 #endif /* UNIV_DEBUG */
116 {NullS, NullS, SHOW_LONG, SHOW_SCOPE_GLOBAL}
117 };
以及innodb_status_variables_export，这里的内容都是innodb_status_variables的内容。
1 static SHOW_VAR innodb_status_variables_export[]= {
2 {"Innodb", (char*) &show_innodb_vars, SHOW_FUNC, SHOW_SCOPE_GLOBAL},
3 {NullS, NullS, SHOW_LONG, SHOW_SCOPE_GLOBAL}
4 };
让我们统计下这里总共的项数为353，与显示的结果一致。
时间： 2024-10-09 18:46:14