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rust-imager/migrations/002_metadata.sql
lychang 82653c1a6c
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update
2026-07-19 15:04:22 +08:00

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SQL

-- 相册元数据扩展字段
ALTER TABLE albums ADD COLUMN person_name_original TEXT;
ALTER TABLE albums ADD COLUMN person_name_cleaned TEXT;
ALTER TABLE albums ADD COLUMN tags TEXT; -- JSON: [tag, ...]
ALTER TABLE albums ADD COLUMN all_words TEXT; -- JSON: [[word, pos], ...]
ALTER TABLE albums ADD COLUMN raw_title TEXT;
ALTER TABLE albums ADD COLUMN processed_at TEXT;
-- 标签索引表(倒排索引)
CREATE TABLE IF NOT EXISTS album_tags (
album_id TEXT NOT NULL,
tag TEXT NOT NULL,
PRIMARY KEY (album_id, tag),
FOREIGN KEY (album_id) REFERENCES albums(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS idx_album_tags_tag ON album_tags(tag);
-- 人物表
CREATE TABLE IF NOT EXISTS persons (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL UNIQUE,
display_name TEXT,
total_albums INTEGER DEFAULT 0,
total_images INTEGER DEFAULT 0,
original_names TEXT, -- JSON: [raw_name, ...]
created_at TEXT DEFAULT (datetime('now', 'localtime')),
updated_at TEXT DEFAULT (datetime('now', 'localtime'))
);
CREATE INDEX IF NOT EXISTS idx_persons_name ON persons(name);
-- 别名表
CREATE TABLE IF NOT EXISTS person_aliases (
id INTEGER PRIMARY KEY AUTOINCREMENT,
person_id INTEGER NOT NULL,
alias_type TEXT NOT NULL, -- prefix / english / nickname / chinese
alias_name TEXT NOT NULL,
created_at TEXT DEFAULT (datetime('now', 'localtime')),
FOREIGN KEY (person_id) REFERENCES persons(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS idx_aliases_name ON person_aliases(alias_name);
CREATE INDEX IF NOT EXISTS idx_aliases_person ON person_aliases(person_id);
-- 人物-相册关联表
CREATE TABLE IF NOT EXISTS person_albums (
person_id INTEGER NOT NULL,
album_id TEXT NOT NULL,
PRIMARY KEY (person_id, album_id),
FOREIGN KEY (person_id) REFERENCES persons(id),
FOREIGN KEY (album_id) REFERENCES albums(id)
);
CREATE INDEX IF NOT EXISTS idx_albums_cleaned ON albums(person_name_cleaned);