Node.js: Redis のデータを作成 (Create)

プログラム

redis_create.js

#! /usr/local/bin/node
// ---------------------------------------------------------------
//	redis_create.js
//
//					May/25/2023
//
// ---------------------------------------------------------------
'use strict'

const redis = require('redis')

// ---------------------------------------------------------------
function dict_append_proc (dict_aa,id_in,name_in,population_in,date_mod_in)
{
	var unit_aa = {}
	unit_aa['name'] = name_in
	unit_aa['population'] = population_in
	unit_aa['date_mod'] = date_mod_in

	dict_aa[id_in] = unit_aa

	return	dict_aa
}

// ---------------------------------------------------------------
function data_prepare_proc ()
{
	var dict_aa = new Object ()

	dict_aa = dict_append_proc (dict_aa,'t1851','福井',92714,'1950-9-12')
	dict_aa = dict_append_proc (dict_aa,'t1852','敦賀',28158,'1950-3-15')
	dict_aa = dict_append_proc (dict_aa,'t1853','小浜',67241,'1950-10-2')
	dict_aa = dict_append_proc (dict_aa,'t1854','大野',32164,'1950-6-22')
	dict_aa = dict_append_proc (dict_aa,'t1855','勝山',41358,'1950-8-14')
	dict_aa = dict_append_proc (dict_aa,'t1856','鯖江',64792,'1950-9-12')
	dict_aa = dict_append_proc (dict_aa,'t1857','あわら',38251,'1950-3-21')
	dict_aa = dict_append_proc (dict_aa,'t1858','越前',52486,'1950-7-26')
	dict_aa = dict_append_proc (dict_aa,'t1859','坂井',25397,'1950-11-9')
	
	return	dict_aa
}

// ---------------------------------------------------------------
async function create_proc(options)
{
	var dict_aa = data_prepare_proc ()

	const client = redis.createClient()
	await client.connect()

	const keys = Object.keys(dict_aa)

	for (var it in keys)
		{
		const key = keys[it]
		const str_json = JSON.stringify (dict_aa[key])
		console.log(key,str_json)
		try
			{
			await client.set(key, str_json)
			}
		catch (error)
			{
			console.error ("*** error *** from client.set ***")
			console.error (error)
			console.error (key)
			}

		}

	await client.disconnect()
	console.error ("*** 終了 ***")	
}

// ---------------------------------------------------------------
console.error ("*** 開始 ***")

create_proc({ argv: process.argv })

// ---------------------------------------------------------------

実行コマンド

./redis_create.js

確認したバージョン

$ node --version
v20.2.0