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const { Sequelize, DataTypes } = require('sequelize');
// Create a new Sequelize instance
const sequelize = new Sequelize(/* ... */);
// Define a model for your database table
const Model = sequelize.define('MyModel', {
// Define your model attributes here
// ...
});
// Perform your database operations within a transaction
sequelize.transaction(async (transaction) => {
try {
// Use the transaction object for all queries in this transaction
// Example scenario: Update a row in the table
await Model.update(
{ /* Updated attributes */ },
{
where: { /* Conditions for the update */ },
transaction, // Associate the transaction with the query
}
);
// Commit the transaction after all operations are successfully completed
await transaction.commit();
} catch (error) {
// Handle any errors that occurred during the transaction
console.error('Transaction error:', error);
await transaction.rollback(); // Rollback the transaction if any error occurred
}
});