update
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@@ -8,6 +8,7 @@ const dbUtils = global.dbUtils;
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// 从数据库中查出还缺少的歌词,并进行爬取
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async function fetchAll({ args = {} }) {
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if (args.order) console.log("存在 DISTINCT,自动升序排序,无需指定ORDER BY");
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console.log("start fetching lyrics ...");
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let whereClause = [
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args.min ? `song_id > ${args.min}` : '1=1',
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@@ -15,7 +16,6 @@ async function fetchAll({ args = {} }) {
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].join(' AND ');
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var sql = `
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SELECT DISTINCT song_id FROM song WHERE ${whereClause} AND song_id NOT IN ( SELECT song_id FROM lyric )
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${args.order ? `ORDER BY song_id ${args.order}` : ''}
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${args.limit ? `LIMIT ${args.limit}` : ''}
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`;
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console.log(sql);
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