How to insert multiple records in postgres using Gorm

insertsLoopedGorm.go

  import "github.com/jinzhu/gorm"
  databaseURL:= "user=abc password=abc dbname=db host=localhost port=5432"
  db, err := gorm.Open("postgres", databaseURL)
  if err != nil {
		fmt.Printf("DBERR %s", err.Error())
  }
  db.DB().SetMaxIdleConns(10)
  db.DB().SetMaxOpenConns(10)
  db.LogMode(true)
  m := &MessageDetailRecord{
		AccountId:          123,
		SubAccountId:       456,
  }
  query := "INSERT INTO Table(accountid, subaccountid) VALUES (?,?);"
  a := time.Now()
  tx := db.Begin()
  for i:=0 ; i<100 ; i++ {
		_ = tx.Exec(query, m.AccountId, m.SubAccountId).Error
  }
  tx.Commit()
  delta := time.Now().Sub(a)
  fmt.Println(delta.Nanoseconds())