gobuch/microservices/oracle-db-connection-write/main.go
2020-08-21 06:26:40 +02:00

49 lines
1.1 KiB
Go

package main
import (
"database/sql"
"log"
"time"
_ "github.com/godror/godror"
)
type Angestellter struct {
id int
Name string
Einstellungsdatum time.Time
}
func main() {
db, err := sql.Open("godror", "app/app@(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=tcp)(HOST=172.17.0.1)(PORT=1521)))(CONNECT_DATA=(SID=ORCLCDB)))")
if err != nil {
log.Fatal(err)
}
db.SetMaxOpenConns(0)
db.SetMaxIdleConns(0)
defer db.Close()
res, err := db.Exec("INSERT INTO EMP (EMPNO, ENAME, HIREDATE) VALUES(:id1, :name1, :date1)", 1, "WURST", time.Now())
if err != nil {
log.Fatalf("Fehler bei Exec: %v", err)
}
count, _ := res.RowsAffected()
log.Printf("Updated %v row", count)
stmt, err := db.Prepare("INSERT INTO EMP (EMPNO, ENAME, HIREDATE) VALUES(:id1, :name2, :date3)")
if err != nil {
log.Fatalf("Fehler bei Statement: %v", err)
}
for i := 10; i < 100; i++ {
_, err = stmt.Exec(
sql.Named("id1", i),
sql.Named("name2", "JOE"),
sql.Named("date3", time.Now()))
if err != nil {
log.Fatalf("Fehler bei Exec: %v", err)
}
}
defer stmt.Close()
}