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Go Web Development Cookbook by Arpit Aggarwal

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How to do it…

  1. Install the github.com/go-sql-driver/mysql package, using the go get command, as follows:
$ go get github.com/go-sql-driver/mysql
  1. Create connect-mysql.go. Then we connect to the MySQL database and perform a SELECT query to get the current database name, as follows:
package mainimport (  "database/sql"  "fmt"  "log"  "net/http"  "github.com/go-sql-driver/mysql")const (  CONN_HOST = "localhost"  CONN_PORT = "8080"  DRIVER_NAME = "mysql"  DATA_SOURCE_NAME = "root:password@/mydb")var db *sql.DBvar connectionError errorfunc init() {  db, connectionError = sql.Open(DRIVER_NAME, DATA_SOURCE_NAME)  if connectionError != nil   {    log.Fatal("error connecting to database :: ", connectionError)  }}func getCurrentDb(w http.ResponseWriter, r *http.Request) ...

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