23 lines
984 B
JavaScript
23 lines
984 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 exam_submissions ADD COLUMN word_file_path VARCHAR(500) NULL DEFAULT NULL COMMENT 'Word答案文件路径' AFTER answers");
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console.log('Added word_file_path');
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} catch (e) {
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if (e.code === 'ER_DUP_FIELDNAME') console.log('word_file_path 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 exam_submissions ADD COLUMN word_file_name VARCHAR(255) NULL DEFAULT NULL COMMENT 'Word答案文件名' AFTER word_file_path");
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console.log('Added word_file_name');
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} catch (e) {
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if (e.code === 'ER_DUP_FIELDNAME') console.log('word_file_name exists');
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else throw e;
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}
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const [cols] = await c.query('SHOW COLUMNS FROM exam_submissions');
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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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