#! /usr/bin/node
// ---------------------------------------------------------------
//
//	redis_read.js
//
//						Mar/25/2023
// ---------------------------------------------------------------
'use strict'

const redis = require('redis')

// ---------------------------------------------------------------
async function read_proc()
{
//	const redisUrl = 'redis://127.0.0.1:6379'
//	const client = redis.createClient(redisUrl)
	const client = redis.createClient()

	await client.connect()

	const keys = await client.keys('t*')

	for(var it in keys)
		{
		const key = keys[it]
		try
			{
			const value = await client.get(key)
			const data = JSON.parse(value)
			var out_str = key + "\t"
			out_str  += data.name + "\t"
			out_str += data.population + "\t"
			out_str += data.date_mod
			console.log (out_str)
			}
		catch (error)
			{
			console.error ("*** error *** from JSON.parse ***")
			console.error (error)
			console.error (key)
			}
		}
 
	await client.disconnect()
	console.error ("*** 終了 ***")
}

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