overleaf/services/web/migrations/20190912145007_create_docSnapshots_indexes.js

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/* eslint-disable no-unused-vars */
const Helpers = require('./lib/helpers')
exports.tags = ['server-ce', 'server-pro', 'saas']
const indexes = [
{
key: {
project_id: 1,
},
name: 'project_id_1',
},
{
key: {
ts: 1,
},
name: 'ts_1',
expireAfterSeconds: 2592000,
},
]
exports.migrate = async client => {
const { db } = client
await Helpers.addIndexesToCollection(db.docSnapshots, indexes)
}
exports.rollback = async client => {
const { db } = client
try {
await Helpers.dropIndexesFromCollection(db.docSnapshots, indexes)
} catch (err) {
console.error('Something went wrong rolling back the migrations', err)
}
}