database

type Config struct {
	MaxOpenConns       int `conf:"BCDA_DB_MAX_OPEN_CONNS" conf_default:"60"`
	MaxIdleConns       int `conf:"BCDA_DB_MAX_IDLE_CONNS" conf_default:"40"`
	ConnMaxLifetimeMin int `conf:"BCDA_DB_CONN_MAX_LIFETIME_MIN" conf_default:"5"`
	ConnMaxIdleTime    int `conf:"BCDA_DB_CONN_MAX_IDLE_TIME" conf_default:"30"`

	DatabaseURL string `conf:"DATABASE_URL"`

	HealthCheckSec int `conf:"DB_HEALTH_CHECK_INTERVAL" conf_default:"5"`
}

type DB struct {
	*sql.DB
}

type Executable interface {
	ExecContext(ctx context.Context, query string, args ...interface{}) (Result, error)
}

type Queryable interface {
	QueryContext(ctx context.Context, query string, args ...interface{}) (Rows, error)
	QueryRowContext(ctx context.Context, query string, args ...interface{}) Row
}

type Result interface {
	RowsAffected() (int64, error)
}

type Row interface {
	Scan(dest ...interface{}) error
}

type Rows interface {
	Close() error
	Err() error
	Next() bool
	Scan(dest ...interface{}) error
}

type Tx struct {
	*sql.Tx
}