func mysqlOpener(url *config.URL) (driver.Driver, error) {
url.Query["charset"] = "UTF8"
url.Query["sql_mode"] = "ANSI"
url.Query["parseTime"] = "true"
url.Query["loc"] = "UTC"
url.Query["clientFoundRows"] = "true"
return sql.NewDriver(mysqlBackend, url)
}
func sqliteOpener(url *config.URL) (driver.Driver, error) {
drv, err := sql.NewDriver(sqliteBackend, url)
if err == nil {
db := drv.DB()
if _, err := db.Exec("PRAGMA foreign_keys = on"); err != nil {
return nil, err
}
if _, err := db.Exec("PRAGMA journal_mode = WAL"); err != nil {
return nil, err
}
}
return drv, err
}
func postgresOpener(url *config.URL) (driver.Driver, error) {
return sql.NewDriver(postgresBackend, url)
}