"create db with go" Code Answer's
You're definitely familiar with the best coding language Whatever that developers use to develop their projects and they get all their queries like "create db with go" answered properly. Developers are finding an appropriate answer about create db with go related to the Whatever coding language. By visiting this online portal developers get answers concerning Whatever codes question like create db with go. Enter your desired code related query in the search bar and get every piece of information about Whatever code related question on create db with go.
create db with go
package main
import (
"context"
"database/sql"
"fmt"
"log"
"time"
_ "github.com/go-sql-driver/mysql"
)
const (
username = "root"
password = "password"
hostname = "127.0.0.1:3306"
dbname = "ecommerce"
)
func dsn(dbName string) string {
return fmt.Sprintf("%s:%s@tcp(%s)/%s", username, password, hostname, dbName)
}
func main() {
db, err := sql.Open("mysql", dsn(""))
if err != nil {
log.Printf("Error %s when opening DB\n", err)
return
}
defer db.Close()
ctx, cancelfunc := context.WithTimeout(context.Background(), 5*time.Second)
defer cancelfunc()
res, err := db.ExecContext(ctx, "CREATE DATABASE IF NOT EXISTS "+dbname)
if err != nil {
log.Printf("Error %s when creating DB\n", err)
return
}
no, err := res.RowsAffected()
if err != nil {
log.Printf("Error %s when fetching rows", err)
return
}
log.Printf("rows affected %d\n", no)
db.Close()
db, err = sql.Open("mysql", dsn(dbname))
if err != nil {
log.Printf("Error %s when opening DB", err)
return
}
defer db.Close()
db.SetMaxOpenConns(20)
db.SetMaxIdleConns(20)
db.SetConnMaxLifetime(time.Minute * 5)
ctx, cancelfunc = context.WithTimeout(context.Background(), 5*time.Second)
defer cancelfunc()
err = db.PingContext(ctx)
if err != nil {
log.Printf("Errors %s pinging DB", err)
return
}
log.Printf("Connected to DB %s successfully\n", dbname)
}
Source: golangbot.com
create db with go
const (
username = "root"
password = "password"
hostname = "127.0.0.1:3306"
dbname = "ecommerce"
)
Source: golangbot.com
All those coders who are working on the Whatever based application and are stuck on create db with go can get a collection of related answers to their query. Programmers need to enter their query on create db with go related to Whatever code and they'll get their ambiguities clear immediately. On our webpage, there are tutorials about create db with go for the programmers working on Whatever code while coding their module. Coders are also allowed to rectify already present answers of create db with go while working on the Whatever language code. Developers can add up suggestions if they deem fit any other answer relating to "create db with go". Visit this developer's friendly online web community, CodeProZone, and get your queries like create db with go resolved professionally and stay updated to the latest Whatever updates.