O'Reilly logo

Go Web Development Cookbook by Arpit Aggarwal

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

How to do it…

  1. Install the github.com/go-sql-driver/mysql and github.com/gorilla/mux packages, using the go get command, as follows:
$ go get github.com/go-sql-driver/mysql$ go get github.com/gorilla/mux
  1. Create update-record-mysql.go. Then we connect to the MySQL database, update the name of an employee for an ID, and write the number of records updated in a database to an HTTP response stream, as follows:
package mainimport (  "database/sql"  "fmt"  "log"  "net/http"   "github.com/go-sql-driver/mysql"  "github.com/gorilla/mux")const (  CONN_HOST = "localhost"  CONN_PORT = "8080"  DRIVER_NAME = "mysql"  DATA_SOURCE_NAME = "root:password@/mydb")var db *sql.DBvar connectionError error func init() { db, connectionError = sql.Open(DRIVER_NAME, DATA_SOURCE_NAME) ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required