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更新SQL

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小墨
2022-10-26 15:33:07 +08:00
parent 63c102ef7b
commit aa5e239155
4 changed files with 447 additions and 25 deletions
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66
netease_music/sql/statistic.sql
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@@ -1,3 +1,4 @@
-- 更新统计数据
INSERT INTO analysis (`key`, `value`) VALUES ('songCount', (SELECT count(*) as count FROM song) ) ON DUPLICATE KEY UPDATE `value` = VALUES(`value`);
INSERT INTO analysis (`key`, `value`) VALUES ('songWaiting', (SELECT count(DISTINCT song_id) AS count
FROM ( SELECT song_id FROM song_artist_relation UNION SELECT song_id FROM song_album_relation ) t_tmp
@@ -17,6 +18,16 @@ INSERT INTO analysis (`key`, `value`) VALUES ('songArtistCount', (SELECT count(*
-- 更新后初次全表扫描
INSERT IGNORE INTO wait_song (song_id) SELECT song_id FROM song_artist_relation WHERE song_id NOT IN ( SELECT song_id FROM song )
INSERT IGNORE INTO wait_song (song_id) SELECT song_id FROM song_album_relation WHERE song_id NOT IN ( SELECT song_id FROM song )
INSERT IGNORE INTO wait_song (song_id) SELECT song_id FROM song_playlist_relation WHERE song_id NOT IN ( SELECT song_id FROM song )
-- 后续只需要扫描 wait_check 表
INSERT IGNORE INTO wait_song (song_id) SELECT song_id FROM wait_check_song WHERE song_id NOT IN ( SELECT song_id FROM song )
-- 查看需要爬取的 song 的分布
SELECT cast( format( t_tmp.song_id / 10000000, 0) * 10000000 as UNSIGNED ) as s, count(*) as count
FROM (
@@ -59,6 +70,7 @@ ORDER BY s DESC
-- optimize table
optimize table analysis;
optimize table album;
optimize table artist;
optimize table category;
@@ -83,6 +95,33 @@ optimize table wait_fetch_song;
-- 移动数据库
RENAME TABLE neteasemusic.analysis TO neteasemusic_develop.analysis;
RENAME TABLE neteasemusic.album TO neteasemusic_develop.album;
RENAME TABLE neteasemusic.artist TO neteasemusic_develop.artist;
RENAME TABLE neteasemusic.category TO neteasemusic_develop.category;
RENAME TABLE neteasemusic.comment TO neteasemusic_develop.comment;
RENAME TABLE neteasemusic.comment_progress TO neteasemusic_develop.comment_progress;
RENAME TABLE neteasemusic.log TO neteasemusic_develop.log;
RENAME TABLE neteasemusic.lyric TO neteasemusic_develop.lyric;
RENAME TABLE neteasemusic.playlist TO neteasemusic_develop.playlist;
RENAME TABLE neteasemusic.song TO neteasemusic_develop.song;
RENAME TABLE neteasemusic.song_album_relation TO neteasemusic_develop.song_album_relation;
RENAME TABLE neteasemusic.song_artist_relation TO neteasemusic_develop.song_artist_relation;
RENAME TABLE neteasemusic.song_playlist_relation TO neteasemusic_develop.song_playlist_relation;
RENAME TABLE neteasemusic.user TO neteasemusic_develop.user;
RENAME TABLE neteasemusic.wait_check_album TO neteasemusic_develop.wait_check_album;
RENAME TABLE neteasemusic.wait_check_artist TO neteasemusic_develop.wait_check_artist;
RENAME TABLE neteasemusic.wait_check_lyric TO neteasemusic_develop.wait_check_lyric;
RENAME TABLE neteasemusic.wait_check_song TO neteasemusic_develop.wait_check_song;
RENAME TABLE neteasemusic.wait_fetch_album TO neteasemusic_develop.wait_fetch_album;
RENAME TABLE neteasemusic.wait_fetch_artist TO neteasemusic_develop.wait_fetch_artist;
RENAME TABLE neteasemusic.wait_fetch_lyric TO neteasemusic_develop.wait_fetch_lyric;
RENAME TABLE neteasemusic.wait_fetch_song TO neteasemusic_develop.wait_fetch_song;
-- 查询单个数据库里面各个表所占磁盘空间大小包括其索引的大小
SELECT
table_schema AS '数据库',
@@ -96,4 +135,29 @@ FROM
WHERE
table_schema = 'neteasemusic'
ORDER BY
table_rows DESC;
table_rows DESC;
-- analysis
-- album
-- artist
-- category
-- comment
-- comment_progress
-- log
-- lyric
-- playlist
-- song
-- song_album_relation
-- song_artist_relation
-- song_playlist_relation
-- user
-- wait_check_album
-- wait_check_artist
-- wait_check_lyric
-- wait_check_song
-- wait_fetch_album
-- wait_fetch_artist
-- wait_fetch_lyric
-- wait_fetch_song