auto-generate models for sequelize
You can auto generate models through sequelize-auto. Just Follow the following link https://github.com/sequelize/sequelize-auto It will generate models of your table.
sequelize.js
Sequelize: Where is an example of using bulkDelete with criteria?
I tried using @Michael McCabe’s suggestion and kept getting ERROR: Invalid value [object Object]. Once I got rid of where from the second argument (the identifier argument), I was able to get it working: down: (queryInterface, Sequelize) => { const Op = Sequelize.Op return queryInterface.bulkDelete(‘users’, {id: {[Op.in]: [2, 3]}}, {}) }
Add Property to Object that is returned by Sequelize FindOne
The following works for sequelize v4. … const order = Order.findOne(criteria); order.setDataValue(‘additionalProperty’, ‘some value’); … Hope this helps. It’s a bit late but in case people are still looking for answers.
Sequelize pagination
The easiest way to do this is to use Sequelize’s findAndCountAll Post.findAndCountAll({ where: {…}, order: […], limit: 5, offset: 0, }).then(function (result) { res.render(…); }); Here, result has both the result of your query and count as result.rows and result.count. You can then increment the offset and use this for pagination. Sequelize documentation for findAndCountAll
Sequelize model references vs associations
Using references you create a reference to another table, without adding any constraints, or associations. Which means that is just a way of signaling the database that this table has a reference to another. Creating an association will add a foreign key constraint to the attributes. And the you can perform all the magic behind … Read more
How to count a group by query in NodeJS Sequelize
This sequelize github issue looks totally like your case: User.findAll({ attributes: [‘User.*’, ‘Post.*’, [sequelize.fn(‘COUNT’, ‘Post.id’), ‘PostCount’]], include: [Post] });
Sequelize – SQL Server – order by for association tables
From Sequelize offical docs: // Will order by an associated model’s created_at using an association object. (preferred method) [Subtask.associations.Task, ‘createdAt’, ‘DESC’], // Will order by a nested associated model’s created_at using association objects. (preferred method) [Subtask.associations.Task, Task.associations.Project, ‘createdAt’, ‘DESC’], By referring above syntax, Update your order option like below User.findById(uID, { include: [{ model: sequelize.models.userProfile … Read more
Should I handle a GraphQL ID as a string on the client?
ID is a scalar type described in the GraphQL specification (working draft October 2016): The ID type is serialized in the same way as a String; however, it is not intended to be human‐readable. While it is often numeric, it should always serialize as a String. Your observation I can use GraphQL to query the … Read more
How to seed a one file only with sequelize-cli?
To run a specific seed indicate –seed <seed_file_nams.js>: sequelize db:seed –seed my_seeder_file.js
Sequelize js – limit and Sorting bug
You have to specify it like this: order: [[“postDate”,”DESC”]]