38 lines
1.3 KiB
JavaScript
38 lines
1.3 KiB
JavaScript
const { MetonaSqlark } = require('./dist/metona-sqlark.cjs.js');
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(async () => {
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const db = new MetonaSqlark({ name: 'test', mode: 'memory' });
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await db.init();
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await db.defineTable('users', {
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id: { type: 'string', primaryKey: true },
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name: { type: 'string', required: true },
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email: { type: 'string' },
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age: { type: 'number', default: 0 },
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});
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// Step 1: ALTER TABLE ADD COLUMN
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await db.query('ALTER TABLE users ADD COLUMN phone STRING');
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const schema = await db.getEngine().getTableSchema('users');
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console.log('Schema columns:', Object.keys(schema.columns));
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// Step 2: INSERT
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await db.query("INSERT INTO users (id, name, age, phone) VALUES ('6', 'Frank', 33, '123-4567')");
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// Step 3: SELECT (first)
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const result1 = await db.query("SELECT * FROM users WHERE id = '6'");
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console.log('First query result:', JSON.stringify(result1));
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console.log('First query fields:', Object.keys(result1[0]));
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// Step 4: ALTER TABLE DROP COLUMN
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await db.query('ALTER TABLE users DROP COLUMN phone');
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// Step 5: SELECT (second)
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const result2 = await db.query("SELECT * FROM users WHERE id = '6'");
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console.log('Second query result:', JSON.stringify(result2));
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console.log('Second query fields:', Object.keys(result2[0]));
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await db.close();
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})();
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