- 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
- 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) ...
