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sequelize migration add column foreign key

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Obedient Oyster answered on November 25, 2020 Popularity 10/10 Helpfulness 5/10

answer sequelize migration add column foreign key

related define foreign key in sequelize migration

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sequelize migration add column foreign key

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queryInterface.addConstraint('table_name', {
  fields: ['column_name'],
  type: 'foreign key',
  name: 'custom_fkey_constraint_name', // optional
  references: {
    table: 'target_table_name',
    field: 'target_column_name'
  },
  onDelete: 'cascade',
  onUpdate: 'cascade'
});

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: add javascript key migration

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Contributed on Apr 07 2021

Obedient Oyster

0 Answers Avg Quality 2/10

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define foreign key in sequelize migration

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UserId: { // name of foreign key using naming convention
        type: Sequelize.DataTypes.INTEGER,
        references: {
          model: { tableName: 'Users' }, // provide table name
          key: 'id' // PK of the User Model
        },
        allowNull: false,
        onUpdate: 'cascade',
        onDelete: 'cascade',
},

Popularity 10/10 Helpfulness 6/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Nov 03 2022

Terrible Tern

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sequelize migration add column

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module.exports = {
    up: (queryInterface, Sequelize) => {
        return queryInterface.sequelize.transaction((t) => {
            return Promise.all([
                queryInterface.addColumn('table_name', 'field_one_name', {
                    type: Sequelize.STRING
                }, { transaction: t }),
                queryInterface.addColumn('table_name', 'field_two_name', {
                    type: Sequelize.STRING,
                }, { transaction: t })
            ])
        })
    },

    down: (queryInterface, Sequelize) => {
        return queryInterface.sequelize.transaction((t) => {
            return Promise.all([
                queryInterface.removeColumn('table_name', 'field_one_name', { transaction: t }),
                queryInterface.removeColumn('table_name', 'field_two_name', { transaction: t })
            ])
        })
    }
};

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: add

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Contributed on Nov 25 2020

Jeff Le

0 Answers Avg Quality 2/10

sequelize migration add column foreign key

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