MongoDB 在事务中读取文档

MongoDB在事务中读取文档

javascript
const { MongoClient } = require('mongodb');
async function readDocumentInTransaction() {
  const uri = 'mongodb+srv://:@/test?retryWrites=true&w=majority';
  const client = new MongoClient(uri);
  try {
    await client.connect();
    const session = client.startSession();
    session.startTransaction();
    const collection = client.db('test').collection('documents');
    const document = await collection.findOne({ _id: 'example-id' });
    console.log(document);
    session.commitTransaction();
  } catch (error) {
    console.error('Error reading document in transaction: ', error);
    session.abortTransaction();
  } finally {
    session.endSession();
    client.close();
  }
}
readDocumentInTransaction();