HackMD/lib/migrations/20161009040430-support-delete-note.js

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'use strict'
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module.exports = {
up: function (queryInterface, Sequelize) {
return queryInterface.addColumn('Notes', 'deletedAt', Sequelize.DATE).catch(function (error) {
if (error.message === "ER_DUP_FIELDNAME: Duplicate column name 'deletedAt'" || error.message === 'column "deletedAt" of relation "Notes" already exists') {
console.log('Migration has already run… ignoring.')
} else {
throw error
}
})
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},
down: function (queryInterface, Sequelize) {
return queryInterface.removeColumn('Notes', 'deletedAt')
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}
}