""nedb" insert csv bulk" Code Answer's
You're definitely familiar with the best coding language Whatever that developers use to develop their projects and they get all their queries like ""nedb" insert csv bulk" answered properly. Developers are finding an appropriate answer about "nedb" insert csv bulk related to the Whatever coding language. By visiting this online portal developers get answers concerning Whatever codes question like "nedb" insert csv bulk. Enter your desired code related query in the search bar and get every piece of information about Whatever code related question on "nedb" insert csv bulk.
??
Frightened Flamingo
on Oct 16, 2020
require('dotenv').load()
const fs = require('fs')
const csv = require('csv-parse')
const es = require('event-stream')
const Datastore = require('nedb')
const BatchStream = require('batch-stream')
const db = new Datastore({ filename: process.env.DB_PATH, autoload: true })
const debug = require('debug')('setup')
function massage ([ipLo, ipHi, cc, country, area, city, lat, lng]) {
return { ipLo, ipHi, cc, country, area, city, lat, lng }
}
function setup () {
let qty = 0
return new Promise((resolve, reject) => {
fs.createReadStream(process.env.IP2LOCATION_PATH)
// read and parse csv
.pipe(csv())
// batch it up
.pipe(new BatchStream({ size: 100 }))
// write it into the database
.pipe(es.map((batch, cb) => {
// massage and persist it
db.insert(batch.map(massage), _ => {
qty += batch.length
if (qty % 100 === 0)
debug(`Inserted ${qty} documents…`)
cb.apply(this, arguments)
})
}))
.on('end', resolve)
.on('error', reject)
})
}
module.exports = setup
if (!module.parent) {
debug('Setting up geo database…')
setup()
.then(_ => debug('done!'))
.catch(err => debug('there was an error :/', err))
}
Source: stackoverflow.com
All those coders who are working on the Whatever based application and are stuck on "nedb" insert csv bulk can get a collection of related answers to their query. Programmers need to enter their query on "nedb" insert csv bulk related to Whatever code and they'll get their ambiguities clear immediately. On our webpage, there are tutorials about "nedb" insert csv bulk for the programmers working on Whatever code while coding their module. Coders are also allowed to rectify already present answers of "nedb" insert csv bulk while working on the Whatever language code. Developers can add up suggestions if they deem fit any other answer relating to ""nedb" insert csv bulk". Visit this developer's friendly online web community, CodeProZone, and get your queries like "nedb" insert csv bulk resolved professionally and stay updated to the latest Whatever updates.
