23 lines
941 B
JavaScript
23 lines
941 B
JavaScript
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const mysql = require('mysql2/promise');
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(async () => {
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const c = await mysql.createConnection({
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host: 'localhost', user: 'root', password: '74191221', database: 'competition_db'
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});
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try {
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await c.query("ALTER TABLE news ADD COLUMN wx_link VARCHAR(500) NULL DEFAULT NULL COMMENT '微信公众号文章链接' AFTER content");
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console.log('Added wx_link column');
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} catch (e) {
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if (e.code === 'ER_DUP_FIELDNAME') console.log('wx_link already exists');
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else throw e;
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}
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try {
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await c.query("ALTER TABLE news ADD COLUMN news_type VARCHAR(20) NOT NULL DEFAULT 'content' COMMENT '新闻类型' AFTER wx_link");
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console.log('Added news_type column');
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} catch (e) {
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if (e.code === 'ER_DUP_FIELDNAME') console.log('news_type already exists');
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else throw e;
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}
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const [cols] = await c.query('SHOW COLUMNS FROM news');
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cols.forEach(x => console.log(x.Field, x.Type, x.Null));
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await c.end();
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})();
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