zabbix數據庫表結構的重要性
想理解zabbix的前端代碼、做深入的二次開發，甚至的調優，那就不能不了解數據庫的表結構了。
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|
mysql> show tables;
+-----------------------+
| Tables_in_zabbix |
+-----------------------+
| acknowledges |
| actions |
| alerts |
| application_template |
| applications |
| auditlog |
| auditlog_details |
| autoreg_host |
| conditions |
| config |
| dbversion |
| dchecks |
| dhosts |
| drules |
| dservices |
| escalations |
| events |
| expressions |
| functions |
| globalmacro |
| globalvars |
| graph_discovery |
| graph_theme |
| graphs |
| graphs_items |
| group_discovery |
| group_prototype |
|
groups
|
|
history
|
| history_log |
| history_str |
| history_text |
| history_uint |
| host_discovery |
| host_inventory |
| hostmacro |
| hosts |
| hosts_groups |
| hosts_templates |
| housekeeper |
| httpstep |
| httpstepitem |
| httptest |
| httptestitem |
| icon_map |
| icon_mapping |
| ids |
| images |
| interface |
| interface_discovery |
| item_condition |
| item_discovery |
| items |
| items_applications |
| maintenances |
| maintenances_groups |
| maintenances_hosts |
| maintenances_windows |
| mappings |
| media |
| media_type |
| opcommand |
| opcommand_grp |
| opcommand_hst |
| opconditions |
| operations |
| opgroup |
| opmessage |
| opmessage_grp |
| opmessage_usr |
| optemplate |
| profiles |
| proxy_autoreg_host |
| proxy_dhistory |
| proxy_history |
| regexps |
| rights |
| screens |
| screens_items |
| scripts |
| service_alarms |
| services |
| services_links |
| services_times |
| sessions |
| slides |
| slideshows |
| sysmap_element_url |
| sysmap_url |
| sysmaps |
| sysmaps_elements |
| sysmaps_link_triggers |
| sysmaps_links |
| timeperiods |
| trends |
| trends_uint |
| trigger_depends |
| trigger_discovery |
| triggers |
| user_history |
|
users
|
| users_groups |
| usrgrp |
| valuemaps |
+-----------------------+
|
actions
actions表記錄了當觸發器觸發時，需要采用的動作。
mysql> desc actions;
+---------------+---------------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+---------------+---------------------+------+-----+---------+-------+
| actionid | bigint(20) unsigned | NO | PRI | 0 | | | name | varchar(255) | NO | | | | | eventsource | int(11) | NO | MUL | 0 | | | evaltype | int(11) | NO | | 0 | | | status | int(11) | NO | | 0 | | | esc_period | int(11) | NO | | 0 | | | def_shortdata | varchar(255) | NO | | | | | def_longdata | blob | NO | | NULL | | | recovery_msg | int(11) | NO | | 0 | | | r_shortdata | varchar(255) | NO | | | | | r_longdata | blob | NO | | NULL | | +---------------+---------------------+------+-----+---------+-------+
alerts
alerts 表保存了歷史的告警事件，可以從這個表里面去做一些統計分析，例如某個部門、
某人、某類時間的告警統計，以及更深入的故障發生、恢復時間，看你想怎么用了。
mysql> desc alerts;
+-------------+---------------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+-------------+---------------------+------+-----+---------+-------+ | alertid | bigint(20) unsigned | NO | PRI | 0 | | | actionid | bigint(20) unsigned | NO | MUL | 0 | | | eventid | bigint(20) unsigned | NO | MUL | 0 | | | userid | bigint(20) unsigned | NO | MUL | 0 | | | clock | int(11) | NO | PRI | 0 | | | mediatypeid | bigint(20) unsigned | NO | MUL | 0 | | | sendto | varchar(100) | NO | | | | | subject | varchar(255) | NO | | | | | message | blob | NO | | NULL | | | status | int(11) | NO | MUL | 0 | | | retries | int(11) | NO | | 0 | | | error | varchar(128) | NO | | | | | nextcheck | int(11) | NO | | 0 | | | esc_step | int(11) | NO | | 0 | | | alerttype | int(11) | NO | | 0 | | +-------------+---------------------+------+-----+---------+-------+
config
config表保存了全局的參數，前端包括后端也是，很多情況下會查詢改表的參數的，例如用戶的自定義主題、
登陸認證類型等，非常重要，
不過對我們做數據分析意義不大。
mysql> desc config;
+-------------------------+---------------------+------+-----+-----------------+-------+
| Field | Type | Null | Key | Default | Extra |
+-------------------------+---------------------+------+-----+-----------------+-------+
| configid | bigint(20) unsigned | NO | PRI | 0 | | | alert_history | int(11) | NO | | 0 | | | event_history | int(11) | NO | | 0 | | | refresh_unsupported | int(11) | NO | | 0 | | | work_period | varchar(100) | NO | | 1-5,00:00-24:00 | | | alert_usrgrpid | bigint(20) unsigned | NO | | 0 | | | event_ack_enable | int(11) | NO | | 1 | | | event_expire | int(11) | NO | | 7 | | | event_show_max | int(11) | NO | | 100 | | | default_theme | varchar(128) | NO | | default.css | | | authentication_type | int(11) | NO | | 0 | | | ldap_host | varchar(255) | NO | | | | | ldap_port | int(11) | NO | | 389 | | | ldap_base_dn | varchar(255) | NO | | | | | ldap_bind_dn | varchar(255) | NO | | | | | ldap_bind_password | varchar(128) | NO | | | | | ldap_search_attribute | varchar(128) | NO | | | | | dropdown_first_entry | int(11) | NO | | 1 | | | dropdown_first_remember | int(11) | NO | | 1 | | | discovery_groupid | bigint(20) unsigned | NO | | 0 | | | max_in_table | int(11) | NO | | 50 | | | search_limit | int(11) | NO | | 1000 | | +-------------------------+---------------------+------+-----+-----------------+-------+
functions
function 表時非常重要的一個表了，記錄了trigger中使用的表達式，例如max、last、nodata等函數。
但其實這個表說他重要時因為同時記錄了trigger、itemid，那就可以做一些API的開發了，例如根據
IP 茶香改IP的所有trigger，我記得1.8的版本的API是無法實現我說的這個功能的，那只能利用
function表去自己查詢了。
mysql> desc functions ;
+------------+---------------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra | +------------+---------------------+------+-----+---------+-------+ | functionid | bigint(20) unsigned | NO | PRI | 0 | | | itemid | bigint(20) unsigned | NO | MUL | 0 | | | triggerid | bigint(20) unsigned | NO | MUL | 0 | | | lastvalue | varchar(255) | YES | | NULL | | | function | varchar(12) | NO | | | | | parameter | varchar(255) | NO | | 0 | | +------------+---------------------+------+-----+---------+-------+
graphs
graphs 表包含了用戶定義的圖表信息，同樣的玩法可以是根據IP去查詢改IP下的所有圖表，
不過似乎是有API的，我只是舉例而已。
mysql> desc graphs;
+------------------+---------------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+------------------+---------------------+------+-----+---------+-------+
| graphid | bigint(20) unsigned | NO | PRI | 0 | | | name | varchar(128) | NO | MUL | | | | width | int(11) | NO | | 0 | | | height | int(11) | NO | | 0 | | | yaxismin | double(16,4) | NO | | 0.0000 | | | yaxismax | double(16,4) | NO | | 0.0000 | | | templateid | bigint(20) unsigned | NO | | 0 | | | show_work_period | int(11) | NO | | 1 | | | show_triggers | int(11) | NO | | 1 | | | graphtype | int(11) | NO | | 0 | | | show_legend | int(11) | NO | | 0 | | | show_3d | int(11) | NO | | 0 | | | percent_left | double(16,4) | NO | | 0.0000 | | | percent_right | double(16,4) | NO | | 0.0000 | | | ymin_type | int(11) | NO | | 0 | | | ymax_type | int(11) | NO | | 0 | | | ymin_itemid | bigint(20) unsigned | NO | | 0 | | | ymax_itemid | bigint(20) unsigned | NO | | 0 | | +------------------+---------------------+------+-----+---------+-------+
graphs_items
graphs_items 保存了屬於某個圖表的所有的監控項信息。
mysql> desc graphs_items;
+-------------+---------------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+-------------+---------------------+------+-----+---------+-------+
| gitemid | bigint(20) unsigned | NO | PRI | 0 | | | graphid | bigint(20) unsigned | NO | MUL | 0 | | | itemid | bigint(20) unsigned | NO | MUL | 0 | | | drawtype | int(11) | NO | | 0 | | | sortorder | int(11) | NO | | 0 | | | color | varchar(6) | NO | | 009600 | | | yaxisside | int(11) | NO | | 1 | | | calc_fnc | int(11) | NO | | 2 | | | type | int(11) | NO | | 0 | | | periods_cnt | int(11) | NO | | 5 | | +-------------+---------------------+------+-----+---------+-------+
groups
groups 沒啥說的，都懂，就是保存了組名和組的ID 。
mysql> desc groups ;
+----------+---------------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+----------+---------------------+------+-----+---------+-------+ | groupid | bigint(20) unsigned | NO | PRI | 0 | | | name | varchar(64) | NO | MUL | | | | internal | int(11) | NO | | 0 | | +----------+---------------------+------+-----+---------+-------+
history 、history_str、history_log 、history_uint_sync等
這部分表都差不多，唯一不同的是保存的數據類型，history_str保存的數據
類型就算str即字符類型的。這個是和采集時設置的數據類型一致的。
需要注意的時，因為history表有這么多的類型，那自己寫報表系統等去查詢
數據時，就需要判斷下數據的采集類型，如果查錯了表，那肯定時沒有數據的。
mysql> desc history;
+--------+---------------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +--------+---------------------+------+-----+---------+-------+ | itemid | bigint(20) unsigned | NO | PRI | 0 | | | clock | int(11) | NO | PRI | 0 | | | value | double(16,4) | NO | | 0.0000 | | +--------+---------------------+------+-----+---------+-------+ mysql> desc history_str; +--------+---------------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +--------+---------------------+------+-----+---------+-------+ | itemid | bigint(20) unsigned | NO | MUL | 0 | | | clock | int(11) | NO | | 0 | | | value | varchar(255) | NO | | | | +--------+---------------------+------+-----+---------+-------+
接收item值時的時間值存放在兩個字段內，大於1秒的部分存放找clock字段單位是秒(s)，小於一秒的部分存放在ns字段單位是納秒(ns)。
兩個字段相加的值才是接收item值時的時間值，一般不用關心小於1秒的部分。
trends、trends_uint
trends 也是保存了歷史數據用的，和history不同的時，trends表僅僅保存了
小時平均的值，即你可以理解為是history表的數據壓縮。所以trends表也有
很多的類型，對應history。
值的注意的trends和history表這兩類表數據量都非常大，我們一天大概就要有
40G 的數據。
所以注意定是去做壓縮、刪除。
mysql> desc trends;
+-----------+---------------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+-----------+---------------------+------+-----+---------+-------+ | itemid | bigint(20) unsigned | NO | PRI | 0 | | | clock | int(11) | NO | PRI | 0 | | | num | int(11) | NO | | 0 | | | value_min | double(16,4) | NO | | 0.0000 | | | value_avg | double(16,4) | NO | | 0.0000 | | | value_max | double(16,4) | NO | | 0.0000 | | +-----------+---------------------+------+-----+---------+-------+ mysql> desc trends_uint; +-----------+---------------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +-----------+---------------------+------+-----+---------+-------+ | itemid | bigint(20) unsigned | NO | PRI | 0 | | | clock | int(11) | NO | PRI | 0 | | | num | int(11) | NO | | 0 | | | value_min | bigint(20) unsigned | NO | | 0 | | | value_avg | bigint(20) unsigned | NO | | 0 | | | value_max | bigint(20) unsigned | NO | | 0 | | +-----------+---------------------+------+-----+---------+-------+
hosts
hosts 非常重要，保存了每個agent、proxy等的IP 、hostid、狀態、IPMI等信息，
幾乎是記錄了一台設備的所有的信息。
當然hostid是當中非常非常重要的信息，其他的表一般都時關聯hostid的。
mysql> desc hosts;
+--------------------+---------------------+------+-----+-----------+-------+
| Field | Type | Null | Key | Default | Extra |
+--------------------+---------------------+------+-----+-----------+-------+
| hostid | bigint(20) unsigned | NO | PRI | 0 | | | proxy_hostid | bigint(20) unsigned | NO | MUL | 0 | | | host | varchar(64) | NO | MUL | | | | dns | varchar(64) | NO | | | | | useip | int(11) | NO | | 1 | | | ip | varchar(39) | NO | | 127.0.0.1 | | | port | int(11) | NO | | 10050 | | | status | int(11) | NO | MUL | 0 | | | disable_until | int(11) | NO | | 0 | | | error | varchar(128) | NO | | | | | available | int(11) | NO | | 0 | | | errors_from | int(11) | NO | | 0 | | | lastaccess | int(11) | NO | | 0 | | | inbytes | bigint(20) unsigned | NO | | 0 | | | outbytes | bigint(20) unsigned | NO | | 0 | | | useipmi | int(11) | NO | | 0 | | | ipmi_port | int(11) | NO | | 623 | | | ipmi_authtype | int(11) | NO | | 0 | | | ipmi_privilege | int(11) | NO | | 2 | | | ipmi_username | varchar(16) | NO | | | | | ipmi_password | varchar(20) | NO | | | | | ipmi_disable_until | int(11) | NO | | 0 | | | ipmi_available | int(11) | NO | | 0 | | | snmp_disable_until | int(11) | NO | | 0 | | | snmp_available | int(11) | NO | | 0 | | | maintenanceid | bigint(20) unsigned | NO | | 0 | | | maintenance_status | int(11) | NO | | 0 | | | maintenance_type | int(11) | NO | | 0 | | | maintenance_from | int(11) | NO | | 0 | | | ipmi_ip | varchar(64) | NO | | 127.0.0.1 | | | ipmi_errors_from | int(11) | NO | | 0 | | | snmp_errors_from | int(11) | NO | | 0 | | | ipmi_error | varchar(128) | NO | | | | | snmp_error | varchar(128) | NO | | | | +--------------------+---------------------+------+-----+-----------+-------+
其實1.0的版本中，是沒有這么多的字段的，好像只有hostid、host、status、disable_until
等幾個字段，但1.8已經如此豐富了。
hosts_groups
hosts_groups 保存了host（主機）與host groups（主機組）的關聯關系。
這部分信息可以在我們自己做一些批量查詢，例如查詢關聯到某個主機組的所有
設備的IP 、存活狀態等，進一步去查詢該批量設備的load、IO、mem等統計信息。
我之前做的一個簡單的報表就是例如了這部分的信息去查詢某個業務線下所有設備
的一周統計信息，當然了是在同一個主機組或者模版組才可以的。
mysql> desc hosts_groups ;
+-------------+---------------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+-------------+---------------------+------+-----+---------+-------+ | hostgroupid | bigint(20) unsigned | NO | PRI | 0 | | | hostid | bigint(20) unsigned | NO | MUL | 0 | | | groupid | bigint(20) unsigned | NO | MUL | 0 | | +-------------+---------------------+------+-----+---------+-------+
items
items 表保存了采集項的信息。
mysql> desc items ;
+-----------------------+---------------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+-----------------------+---------------------+------+-----+---------+-------+ | itemid | bigint(20) unsigned | NO | PRI | 0 | | | type | int(11) | NO | | 0 | | | snmp_community | varchar(64) | NO | | | | | snmp_oid | varchar(255) | NO | | | | | snmp_port | int(11) | NO | | 161 | | | hostid | bigint(20) unsigned | NO | MUL | 0 | | | description | varchar(255) | NO | | | | | key_ | varchar(255) | NO | | | | | delay | int(11) | NO | | 0 | | | history | int(11) | NO | | 90 | | | trends | int(11) | NO | | 365 | | | lastvalue | varchar(255) | YES | | NULL | | | lastclock | int(11) | YES | | NULL | | | prevvalue | varchar(255) | YES | | NULL | | | status | int(11) | NO | MUL | 0 | | | value_type | int(11) | NO | | 0 | | | trapper_hosts | varchar(255) | NO | | | | | units | varchar(10) | NO | | | | | multiplier | int(11) | NO | | 0 | | | delta | int(11) | NO | | 0 | | | prevorgvalue | varchar(255) | YES | | NULL | | | snmpv3_securityname | varchar(64) | NO | | | | | snmpv3_securitylevel | int(11) | NO | | 0 | | | snmpv3_authpassphrase | varchar(64) | NO | | | | | snmpv3_privpassphrase | varchar(64) | NO | | | | | formula | varchar(255) | NO | | 1 | | | error | varchar(128) | NO | | | | | lastlogsize | int(11) | NO | | 0 | | | logtimefmt | varchar(64) | NO | | | | | templateid | bigint(20) unsigned | NO | MUL | 0 | | | valuemapid | bigint(20) unsigned | NO | | 0 | | | delay_flex | varchar(255) | NO | | | | | params | text | NO | | NULL | | | ipmi_sensor | varchar(128) | NO | | | | | data_type | int(11) | NO | | 0 | | | authtype | int(11) | NO | | 0 | | | username | varchar(64) | NO | | | | | password | varchar(64) | NO | | | | | publickey | varchar(64) | NO | | | | | privatekey | varchar(64) | NO | | | | | mtime | int(11) | NO | | 0 | | +-----------------------+---------------------+------+-----+---------+-------+
media
media 保存了某個用戶的media配置項，即對應的告警方式。
mysql> desc media;
+-------------+---------------------+------+-----+-----------------+-------+
| Field | Type | Null | Key | Default | Extra |
+-------------+---------------------+------+-----+-----------------+-------+
| mediaid | bigint(20) unsigned | NO | PRI | 0 | | | userid | bigint(20) unsigned | NO | MUL | 0 | | | mediatypeid | bigint(20) unsigned | NO | MUL | 0 | | | sendto | varchar(100) | NO | | | | | active | int(11) | NO | | 0 | | | severity | int(11) | NO | | 63 | | | period | varchar(100) | NO | | 1-7,00:00-23:59 | | +-------------+---------------------+------+-----+-----------------+-------+
media_type
media_type 表與media 表不同的是media_type 記錄了某個告警方式對應的腳步等的存放路徑。
mysql> desc media_type;
+-------------+---------------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+-------------+---------------------+------+-----+---------+-------+ | mediatypeid | bigint(20) unsigned | NO | PRI | 0 | | | type | int(11) | NO | | 0 | | | description | varchar(100) | NO | | | | | smtp_server | varchar(255) | NO | | | | | smtp_helo | varchar(255) | NO | | | | | smtp_email | varchar(255) | NO | | | | | exec_path | varchar(255) | NO | | | | | gsm_modem | varchar(255) | NO | | | | | username | varchar(255) | NO | | | | | passwd | varchar(255) | NO | | | | +-------------+---------------------+------+-----+---------+-------+
media 與media_type 通過mediatypeid 鍵關聯。
profiles
profiles 表保存了用戶的一些配置項。
mysql> desc profiles ;
+-----------+---------------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+-----------+---------------------+------+-----+---------+-------+
| profileid | bigint(20) unsigned | NO | PRI | 0 | | | userid | bigint(20) unsigned | NO | MUL | 0 | | | idx | varchar(96) | NO | | | | | idx2 | bigint(20) unsigned | NO | | 0 | | | value_id | bigint(20) unsigned | NO | | 0 | | | value_int | int(11) | NO | | 0 | | | value_str | varchar(255) | NO | | | | | source | varchar(96) | NO | | | | | type | int(11) | NO | | 0 | | +-----------+---------------------+------+-----+---------+-------+
rights
rights 表保存了用戶組的權限信息，zabbix的權限一直也是我理不太清的地方，
其實這個表里面有詳細的記錄。
mysql> desc rights;
+------------+---------------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+------------+---------------------+------+-----+---------+-------+
| rightid | bigint(20) unsigned | NO | PRI | 0 | | | groupid | bigint(20) unsigned | NO | MUL | 0 | | | permission | int(11) | NO | | 0 | | | id | bigint(20) unsigned | YES | MUL | NULL | | +------------+---------------------+------+-----+---------+-------+
screens
screens 表保存了用戶定義的圖片。
mysql> desc graphs;
+------------------+---------------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+------------------+---------------------+------+-----+---------+-------+
| graphid | bigint(20) unsigned | NO | PRI | 0 | | | name | varchar(128) | NO | MUL | | | | width | int(11) | NO | | 0 | | | height | int(11) | NO | | 0 | | | yaxismin | double(16,4) | NO | | 0.0000 | | | yaxismax | double(16,4) | NO | | 0.0000 | | | templateid | bigint(20) unsigned | NO | | 0 | | | show_work_period | int(11) | NO | | 1 | | | show_triggers | int(11) | NO | | 1 | | | graphtype | int(11) | NO | | 0 | | | show_legend | int(11) | NO | | 0 | | | show_3d | int(11) | NO | | 0 | | | percent_left | double(16,4) | NO | | 0.0000 | | | percent_right | double(16,4) | NO | | 0.0000 | | | ymin_type | int(11) | NO | | 0 | | | ymax_type | int(11) | NO | | 0 | | | ymin_itemid | bigint(20) unsigned | NO | | 0 | | | ymax_itemid | bigint(20) unsigned | NO | | 0 | | +------------------+---------------------+------+-----+---------+-------+
screens_items
同graphs_items。
mysql> desc screens_items;
+--------------+---------------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+--------------+---------------------+------+-----+---------+-------+
| screenitemid | bigint(20) unsigned | NO | PRI | 0 | | | screenid | bigint(20) unsigned | NO | | 0 | | | resourcetype | int(11) | NO | | 0 | | | resourceid | bigint(20) unsigned | NO | | 0 | | | width | int(11) | NO | | 320 | | | height | int(11) | NO | | 200 | | | x | int(11) | NO | | 0 | | | y | int(11) | NO | | 0 | | | colspan | int(11) | NO | | 0 | | | rowspan | int(11) | NO | | 0 | | | elements | int(11) | NO | | 25 | | | valign | int(11) | NO | | 0 | | | halign | int(11) | NO | | 0 | | | style | int(11) | NO | | 0 | | | url | varchar(255) | NO | | | | | dynamic | int(11) | NO | | 0 | | +--------------+---------------------+------+-----+---------+-------+
sessions
sessions 表很重要，保存了每個用戶的sessions,在登陸、注銷的時候均會操作
該張表的。
做cas等統一認證時，需要了解下該表和相關的登陸、驗證流程。有興趣的看我
前面的文章吧。
mysql> desc sessions;
+------------+---------------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+------------+---------------------+------+-----+---------+-------+ | sessionid | varchar(32) | NO | PRI | | | | userid | bigint(20) unsigned | NO | MUL | 0 | | | lastaccess | int(11) | NO | | 0 | | | status | int(11) | NO | | 0 | | +------------+---------------------+------+-----+---------+-------+
triggers
triggers 顧名思義保存了trigger的所有信息。
mysql> desc triggers;
+-------------+---------------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+-------------+---------------------+------+-----+---------+-------+
| triggerid | bigint(20) unsigned | NO | PRI | 0 | | | expression | varchar(255) | NO | | | | | description | varchar(255) | NO | | | | | url | varchar(255) | NO | | | | | status | int(11) | NO | MUL | 0 | | | value | int(11) | NO | MUL | 0 | | | priority | int(11) | NO | | 0 | | | lastchange | int(11) | NO | | 0 | | | dep_level | int(11) | NO | | 0 | | | comments | blob | NO | | NULL | | | error | varchar(128) | NO | | | | | templateid | bigint(20) unsigned | NO | | 0 | | | type | int(11) | NO | | 0 | | +-------------+---------------------+------+-----+---------+-------+
trigger_depends
trigger_depends 保存了trigger的依賴關系。
mysql> desc trigger_depends;
+----------------+---------------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+----------------+---------------------+------+-----+---------+-------+ | triggerdepid | bigint(20) unsigned | NO | PRI | 0 | | | triggerid_down | bigint(20) unsigned | NO | MUL | 0 | | | triggerid_up | bigint(20) unsigned | NO | MUL | 0 | | +----------------+---------------------+------+-----+---------+-------+
users
不需要解釋了,值的一提的部分用戶配置會在該表中，例如auotlogin、autologout、
url、theme等信息。
mysql> desc users;
+----------------+---------------------+------+-----+-------------+-------+
| Field | Type | Null | Key | Default | Extra |
+----------------+---------------------+------+-----+-------------+-------+
| userid | bigint(20) unsigned | NO | PRI | 0 | | | alias | varchar(100) | NO | MUL | | | | name | varchar(100) | NO | | | | | surname | varchar(100) | NO | | | | | passwd | char(32) | NO | | | | | url | varchar(255) | NO | | | | | autologin | int(11) | NO | | 0 | | | autologout | int(11) | NO | | 900 | | | lang | varchar(5) | NO | | en_gb | | | refresh | int(11) | NO | | 30 | | | type | int(11) | NO | | 0 | | | theme | varchar(128) | NO | | default.css | | | attempt_failed | int(11) | NO | | 0 | | | attempt_ip | varchar(39) | NO | | | | | attempt_clock | int(11) | NO | | 0 | | | rows_per_page | int(11) | NO | | 50 | | +----------------+---------------------+------+-----+-------------+-------+