undo specific migration sequelize
db:migrate:undo --name 20180704124934-create-branch.jsundo specific migration sequelize
db:migrate:undo --name 20180704124934-create-branch.jssequelize migration set unique constraint
// adding constraint while table creation
queryInterface.createTable('Posts', {
title: {
type: Sequelize.STRING(200),
}
}, {
uniqueKeys: {
Items_unique: {
fields: ['title']
}
}
});
// add constraint only
queryInterface.addConstraint('Posts', ['title'], {
type: 'unique',
name: 'unique_constraint_name'
});Copyright © 2021 Codeinu
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