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Sequelize hasMany error when used with limit
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import Sequelize from 'sequelize'; | |
let sequelize = new Sequelize('test', 'root', '', { | |
host: 'localhost', | |
dialect: 'mysql', | |
logging: console.log, | |
} | |
); | |
// DEFINE MODELS | |
let ProductImage = sequelize.define('productImage', { | |
filename: Sequelize.STRING, | |
}); | |
let ProductCategory = sequelize.define('productCategory', { | |
title: { | |
type: Sequelize.STRING, | |
unique: true, | |
allowNull: false | |
}, | |
}); | |
let Product = sequelize.define('product', { | |
title: { | |
type: Sequelize.STRING, | |
unique: true, | |
allowNull: false, | |
}, | |
}, { | |
scopes: { | |
overview: { | |
include: [ | |
{ | |
model: ProductImage, | |
required: false, | |
as: 'images', | |
// separate: true, | |
limit: 1 | |
}, | |
{ | |
model: ProductCategory, | |
required: false, | |
as: 'categories', | |
through: { | |
attributes: [] | |
} | |
} | |
], | |
// separate: true | |
}, | |
} | |
}); | |
let ProductCategoryRelation = sequelize.define('productCategoryRelation', { | |
category_id: Sequelize.INTEGER, | |
product_id: Sequelize.INTEGER, | |
}); | |
// SETUP ASSOCIATIONS | |
ProductCategory.belongsToMany(Product, { | |
foreignKey: 'category_id', | |
through: ProductCategoryRelation, | |
as: 'products' | |
}); | |
Product.belongsToMany(ProductCategory, { | |
foreignKey: 'product_id', | |
through: ProductCategoryRelation, | |
as: 'categories' | |
}); | |
ProductCategoryRelation.hasMany(Product, { | |
foreignKey: 'id' | |
}); | |
ProductCategoryRelation.hasMany(ProductCategory, { | |
foreignKey: 'id' | |
}); | |
Product.hasMany(ProductImage, { | |
onDelete: 'CASCADE', | |
as: 'images', | |
foreignKey: 'product_id' | |
}); | |
// DROP TABLES | |
let p, c; | |
sequelize.query('SET FOREIGN_KEY_CHECKS = 0 ') | |
.then(() => ProductImage.drop()) | |
.then(() => ProductCategoryRelation.drop()) | |
.then(() => ProductCategory.drop()) | |
.then(() => Product.drop()) | |
// CREATE TABLES | |
.then(() => ProductCategoryRelation.sync()) | |
.then(() => Product.sync()) | |
.then(() => ProductCategory.sync()) | |
.then(() => ProductImage.sync()) | |
// ADD SOME DEMO DATA | |
.then(() => Product.create({title: 'Test Product'})) | |
.then((product) => { | |
p = product; | |
return ProductCategory.create({ | |
title: 'Test Category' | |
}); | |
}) | |
.then((category) => { | |
c = category; | |
return ProductCategoryRelation.create({ | |
product_id: p.id, | |
category_id: c.id | |
}); | |
}) | |
.then(() => { | |
return ProductImage.bulkCreate([ | |
{filename: 'a.jpg', product_id: p.id}, | |
{filename: 'b.jpg', product_id: p.id}, | |
{filename: 'c.jpg', product_id: p.id}, | |
{filename: 'd.jpg', product_id: p.id} | |
]) | |
}) | |
// GET DEMO DATA | |
.then(() => { | |
console.log('----\nThis works:\n----'); | |
return Product.scope('overview').findAll() | |
}) | |
.then((product) => { | |
console.log(JSON.stringify(product, null, 2)) | |
}) | |
.then(() => { | |
return ProductCategory.findById(c.id) | |
}) | |
.then((category) => { | |
console.log('----\nThis does not:\n----'); | |
return category.getProducts({ | |
joinTableAttributes: [], | |
scope: 'overview', | |
}); | |
}) | |
.then((products) => { | |
console.log(JSON.stringify(products, null, 2)); | |
}) | |
.catch((err) => { | |
console.error(err); | |
}) | |
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