// ----------------------------------------------------------------
//
//	maria_update.go
//
//					Feb/27/2023
//
// ----------------------------------------------------------------
package main

import (
	"fmt"
	"os"
	"strconv"
	"gorm.io/gorm"
	"gorm.io/driver/mysql"
)

// ----------------------------------------------------------------
func main() {
	fmt.Fprintln (os.Stderr,"*** 開始 ***")
	key_in := os.Args[1]
	population_in,_ := strconv.Atoi (os.Args[2])

	fmt.Printf ("key_in = %s\t" , key_in)
	fmt.Printf ("population_in = %d\n" , population_in)

	host := "localhost"
	user := "scott"
	password := "tiger123"
	data_base := "city"

dsn := user + ":" + password + "@tcp(" + host + ":3306)/" + data_base + "?charset=utf8mb4&parseTime=True&loc=Local"
	db, err := gorm.Open(mysql.Open(dsn), &gorm.Config{})
	if err != nil {
		panic(err)
	}

	today := get_current_date_proc ()

	fmt.Println (today)

	db.Exec("UPDATE cities SET population = ?,date_mod = ? WHERE id = ?", population_in,today,key_in)


	fmt.Fprintln (os.Stderr,"*** 終了 ***")
}

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