DESKTOP-L8OUL9F\gfl0034
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新增总/子分类与曲目绑定；playlist 可按 categoryId 筛选并返回分类树； popadmin 支持行内改曲名/排序/上下架/会员开关与封面背景音频上传；文档同步。 Co-authored-by: Cursor <cursoragent@cursor.com>
83 lines
3.7 KiB
SQL
83 lines
3.7 KiB
SQL
-- 音乐总分类 / 子分类 + 曲目多对多。种子：首页 + 分类1/2/3；按 demo 曲名分配到子分类。
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CREATE TABLE IF NOT EXISTS t_music_categories (
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id BIGINT PRIMARY KEY AUTO_INCREMENT COMMENT '分类自增 id',
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parent_id BIGINT NULL COMMENT 'NULL=总分类；非空=所属总分类 id',
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name VARCHAR(128) NOT NULL DEFAULT '' COMMENT '分类名称（后台可改）',
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sort_order INT NOT NULL DEFAULT 0 COMMENT '越小越靠前',
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enabled TINYINT(1) NOT NULL DEFAULT 1 COMMENT '1=启用',
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created_at DATETIME(3) NOT NULL COMMENT '创建时间',
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updated_at DATETIME(3) NOT NULL COMMENT '更新时间',
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KEY idx_music_cat_parent (parent_id, enabled, sort_order, id),
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KEY idx_music_cat_name (name)
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) COMMENT='音乐总分类与子分类';
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CREATE TABLE IF NOT EXISTS t_music_category_tracks (
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category_id BIGINT NOT NULL COMMENT '分类 id',
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track_id BIGINT NOT NULL COMMENT '曲目 id',
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created_at DATETIME(3) NOT NULL COMMENT '绑定时间',
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PRIMARY KEY (category_id, track_id),
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KEY idx_mct_track (track_id)
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) COMMENT='曲目与分类多对多（同一曲可属多个分类）';
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INSERT INTO t_music_categories (parent_id, name, sort_order, enabled, created_at, updated_at)
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SELECT NULL, '首页', 0, 1, CURRENT_TIMESTAMP(3), CURRENT_TIMESTAMP(3)
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FROM DUAL
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WHERE NOT EXISTS (
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SELECT 1 FROM t_music_categories WHERE parent_id IS NULL AND name = '首页'
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);
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INSERT INTO t_music_categories (parent_id, name, sort_order, enabled, created_at, updated_at)
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SELECT p.id, '分类1', 1, 1, CURRENT_TIMESTAMP(3), CURRENT_TIMESTAMP(3)
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FROM t_music_categories p
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WHERE p.parent_id IS NULL AND p.name = '首页'
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AND NOT EXISTS (
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SELECT 1 FROM t_music_categories c WHERE c.parent_id = p.id AND c.name = '分类1'
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);
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INSERT INTO t_music_categories (parent_id, name, sort_order, enabled, created_at, updated_at)
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SELECT p.id, '分类2', 2, 1, CURRENT_TIMESTAMP(3), CURRENT_TIMESTAMP(3)
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FROM t_music_categories p
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WHERE p.parent_id IS NULL AND p.name = '首页'
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AND NOT EXISTS (
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SELECT 1 FROM t_music_categories c WHERE c.parent_id = p.id AND c.name = '分类2'
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);
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INSERT INTO t_music_categories (parent_id, name, sort_order, enabled, created_at, updated_at)
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SELECT p.id, '分类3', 3, 1, CURRENT_TIMESTAMP(3), CURRENT_TIMESTAMP(3)
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FROM t_music_categories p
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WHERE p.parent_id IS NULL AND p.name = '首页'
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AND NOT EXISTS (
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SELECT 1 FROM t_music_categories c WHERE c.parent_id = p.id AND c.name = '分类3'
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);
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INSERT INTO t_music_category_tracks (category_id, track_id, created_at)
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SELECT c.id, t.id, CURRENT_TIMESTAMP(3)
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FROM t_music_categories c
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JOIN t_music_tracks t ON t.title IN ('晨光微风', '城市夜行', '雨巷漫步', '山间回响')
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WHERE c.name = '分类1'
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AND c.parent_id IS NOT NULL
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AND NOT EXISTS (
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SELECT 1 FROM t_music_category_tracks x WHERE x.category_id = c.id AND x.track_id = t.id
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);
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INSERT INTO t_music_category_tracks (category_id, track_id, created_at)
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SELECT c.id, t.id, CURRENT_TIMESTAMP(3)
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FROM t_music_categories c
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JOIN t_music_tracks t ON t.title IN ('海边日落', '咖啡馆时光', '极光之夜', '纸飞机')
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WHERE c.name = '分类2'
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AND c.parent_id IS NOT NULL
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AND NOT EXISTS (
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SELECT 1 FROM t_music_category_tracks x WHERE x.category_id = c.id AND x.track_id = t.id
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);
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INSERT INTO t_music_category_tracks (category_id, track_id, created_at)
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SELECT c.id, t.id, CURRENT_TIMESTAMP(3)
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FROM t_music_categories c
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JOIN t_music_tracks t ON t.title IN ('极光之夜', '星河入梦', '旅途序曲', '晨光微风')
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WHERE c.name = '分类3'
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AND c.parent_id IS NOT NULL
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AND NOT EXISTS (
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SELECT 1 FROM t_music_category_tracks x WHERE x.category_id = c.id AND x.track_id = t.id
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);
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