SELECT data_key, data_value
FROM xf_data_registry
WHERE data_key IN ('options', 'languages', 'contentTypes', 'codeEventListeners', 'deferredRun', 'simpleCache', 'addOns', 'defaultStyleProperties', 'routeFiltersIn', 'routeFiltersOut', 'routesPublic', 'nodeTypes', 'bannedIps', 'discouragedIps', 'styles', 'displayStyles', 'userBanners', 'smilies', 'bbCode', 'threadPrefixes', 'userTitleLadder', 'reportCounts', 'moderationCounts', 'userModerationCounts', 'notices', 'userFieldsInfo')
Run Time: 0.000609
Select Type | Table | Type | Possible Keys | Key | Key Len | Ref | Rows | Extra |
---|
SIMPLE | xf_data_registry | range | PRIMARY | PRIMARY | 27 | | 26 | Using where |
SELECT data_key, data_value
FROM xf_data_registry
WHERE data_key IN ('brListenerClasses', 'brBriviumAddOns')
Run Time: 0.000153
Select Type | Table | Type | Possible Keys | Key | Key Len | Ref | Rows | Extra |
---|
SIMPLE | xf_data_registry | range | PRIMARY | PRIMARY | 27 | | 2 | Using where |
SELECT *
FROM xf_brivium_addon
ORDER BY addon_id
Run Time: 0.000142
Select Type | Table | Type | Possible Keys | Key | Key Len | Ref | Rows | Extra |
---|
SIMPLE | xf_brivium_addon | index | | PRIMARY | 77 | | 1 | |
INSERT INTO xf_data_registry
(data_key, data_value)
VALUES
(?, ?)
ON DUPLICATE KEY UPDATE
data_value = VALUES(data_value)
Params: brBriviumAddOns, a:0:{}
Run Time: 0.000129
SELECT cache_value
FROM xf_permission_combination
WHERE permission_combination_id = ?
Params: 1
Run Time: 0.000294
Select Type | Table | Type | Possible Keys | Key | Key Len | Ref | Rows | Extra |
---|
SIMPLE | xf_permission_combination | const | PRIMARY | PRIMARY | 4 | const | 1 | |
SELECT thread.*
,
user.gender, user.avatar_date, user.gravatar,
NULL AS thread_read_date,
0 AS thread_reply_banned,
0 AS thread_is_watched,
'' AS draft_message, NULL AS draft_extra
FROM xf_thread AS thread
LEFT JOIN xf_user AS user ON
(user.user_id = thread.user_id)
WHERE thread.thread_id = ?
Params: 313331
Run Time: 0.000411
Select Type | Table | Type | Possible Keys | Key | Key Len | Ref | Rows | Extra |
---|
SIMPLE | thread | const | PRIMARY | PRIMARY | 4 | const | 1 | |
SIMPLE | user | const | PRIMARY | PRIMARY | 4 | const | 1 | |
SELECT node.*, forum.*
,
permission.cache_value AS node_permission_cache,
NULL AS forum_read_date
FROM xf_forum AS forum
INNER JOIN xf_node AS node ON (node.node_id = forum.node_id)
LEFT JOIN xf_permission_cache_content AS permission
ON (permission.permission_combination_id = 1
AND permission.content_type = 'node'
AND permission.content_id = forum.node_id)
WHERE node.node_id = ?
Params: 25
Run Time: 0.000370
Select Type | Table | Type | Possible Keys | Key | Key Len | Ref | Rows | Extra |
---|
SIMPLE | forum | const | PRIMARY | PRIMARY | 4 | const | 1 | |
SIMPLE | node | const | PRIMARY | PRIMARY | 4 | const | 1 | |
SIMPLE | permission | const | PRIMARY | PRIMARY | 35 | const,const,const | 1 | |
SELECT post.*
,
thread.*, thread.user_id AS thread_user_id, thread.username AS thread_username,
thread.post_date AS thread_post_date,
post.user_id, post.username, post.post_date,
bb_code_parse_cache.parse_tree AS message_parsed, bb_code_parse_cache.cache_version AS message_cache_version,
user.*, IF(user.username IS NULL, post.username, user.username) AS username,
user_profile.*,
user_privacy.*,
signature_parse_cache.parse_tree AS signature_parsed, bb_code_parse_cache.cache_version AS signature_cache_version,
session_activity.view_date AS last_view_date,
0 AS like_date
FROM xf_post AS post
INNER JOIN xf_thread AS thread ON
(thread.thread_id = post.thread_id)
LEFT JOIN xf_bb_code_parse_cache AS bb_code_parse_cache ON
(bb_code_parse_cache.content_type = 'post' AND bb_code_parse_cache.content_id = post.post_id)
LEFT JOIN xf_user AS user ON
(user.user_id = post.user_id)
LEFT JOIN xf_user_profile AS user_profile ON
(user_profile.user_id = post.user_id)
LEFT JOIN xf_user_privacy AS user_privacy ON
(user_privacy.user_id = post.user_id)
LEFT JOIN xf_bb_code_parse_cache AS signature_parse_cache ON
(signature_parse_cache.content_type = 'signature' AND signature_parse_cache.content_id = post.user_id)
LEFT JOIN xf_session_activity AS session_activity ON
(post.user_id > 0 AND session_activity.user_id = post.user_id AND session_activity.unique_key = CAST(post.user_id AS BINARY))
WHERE (
(post.thread_id = ? AND (post.position >= 0 AND post.position < 10) )
)
AND (post.message_state IN ('visible'))
ORDER BY post.position ASC, post.post_date ASC
Params: 313331
Run Time: 0.002230
Select Type | Table | Type | Possible Keys | Key | Key Len | Ref | Rows | Extra |
---|
SIMPLE | thread | const | PRIMARY | PRIMARY | 4 | const | 1 | Using filesort |
SIMPLE | post | ref | thread_id_post_date,thread_id_position | thread_id_post_date | 4 | const | 1 | Using index condition; Using where |
SIMPLE | bb_code_parse_cache | eq_ref | content_type_id | content_type_id | 31 | const,xenforo.cc.post.post_id | 1 | Using where |
SIMPLE | user | eq_ref | PRIMARY | PRIMARY | 4 | xenforo.cc.post.user_id | 1 | |
SIMPLE | user_profile | eq_ref | PRIMARY | PRIMARY | 4 | xenforo.cc.post.user_id | 1 | |
SIMPLE | user_privacy | eq_ref | PRIMARY | PRIMARY | 4 | xenforo.cc.post.user_id | 1 | |
SIMPLE | signature_parse_cache | eq_ref | content_type_id | content_type_id | 31 | const,xenforo.cc.post.user_id | 1 | Using where |
SIMPLE | session_activity | eq_ref | PRIMARY | PRIMARY | 22 | xenforo.cc.post.user_id,func | 1 | Using where |
INSERT INTO xf_thread_view
(thread_id)
VALUES
(?)
Params: 313331
Run Time: 0.000113
INSERT INTO `xf_session` (`session_id`, `session_data`, `expiry_date`) VALUES (?, ?, ?)
Params: dbc20dc6c7ed99f2ef13a217422c51c8, , 1714468296
Run Time: 0.003562
INSERT INTO xf_session_activity
(user_id, unique_key, ip, controller_name, controller_action, view_state, params, view_date, robot_key)
VALUES
(?, ?, ?, ?, ?, ?, ?, ?, ?)
ON DUPLICATE KEY UPDATE
ip = VALUES(ip),
controller_name = VALUES(controller_name),
controller_action = VALUES(controller_action),
view_state = VALUES(view_state),
params = VALUES(params),
view_date = VALUES(view_date),
robot_key = VALUES(robot_key)
Params: 0, , , XenForo_ControllerPublic_Thread, Index, valid, thread_id=313331, 1714464696,
Run Time: 0.000110
INSERT INTO xf_bb_code_parse_cache
(content_type, content_id, parse_tree, cache_version, cache_date)
VALUES (?, ?, ?, ?, ?)
ON DUPLICATE KEY UPDATE parse_tree = VALUES(parse_tree),
cache_version = VALUES(cache_version),
cache_date = VALUES(cache_date)
Params: post, 319959, a:4:{i:0;s:1138:"我们中的许多人是捧着纸质书长大的,但今天的年轻一代将越来越多的时间花在了屏幕上。美国劳工局的统计显示,美国人出于个人兴趣的阅读时间大约为每天 15 分钟,其中 15-24 岁的年轻人只有 6 分钟,尽管他们每天的休闲时间有 5 小时 30 分钟。
美国艺术基金会的报告称,从 1992 到 2017 年,成年人在上一年中阅读任何书(学校书籍除外)的比例从 60.9% 降至 52.7%。
《流行媒体文化心理学》上的研究显示,在 1970 年代末,六成的年轻人报告每天读一本书或杂志;到了 2016 年这一比例降至了 16%。
阅读得分也反映了这一趋势。在 2018 ACT 考试中,只有 46% 应试者在阅读上达到了大学入学所要求的得分,比 2011 年下降了 6 个百分点。从 1972 到 2016 年的 SAT 口语得分下降了 36 个百分点。
低收入家庭的孩子花在屏幕上的时间比高收入家庭的孩子更多,他们的阅读得分也更差。也许不用多长时间,PC 时代之前的记忆将会消失,人们不再用过去纸质书的阅读记忆";i:1;a:4:{s:3:"tag";s:3:"url";s:6:"option";s:55:"https://claremontreviewofbooks.com/our-bookless-future/";s:8:"original";a:2:{i:0;s:63:"[URL='https://claremontreviewofbooks.com/our-bookless-future/']";i:1;s:6:"[/URL]";}s:8:"children";a:1:{i:0;s:36:"去评价数字时代的屏幕时间";}}i:2;s:5:"。
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Run Time: 0.001077