rep.go

package main

import (
	"fmt"
	"log"

	_ "github.com/go-sql-driver/mysql"
	"github.com/jmoiron/sqlx"
)

func main() {
	db, err := sqlx.Open("mysql", "user:pass@tcp(host:3306)/mysql")
	if err != nil {
		log.Fatal(err)
	}
	defer db.Close()

	rows, err := db.Queryx("show slave status")
	if err != nil {
		log.Panic(err)
	}
	defer rows.Close()

	for rows.Next() {
		des := make(map[string]interface{})

		err := rows.MapScan(des)
		if err != nil {
			log.Panic(err)
		}

		for k, v := range des {
			fmt.Print(k)
			if v == nil {
				fmt.Printf(": %v\n", v)
			} else {
				fmt.Printf(": %v\n", string(v.([]uint8)))
			}
		}

	}

}