db

func Close()

func Exec(sql string, args ...any) (pgconn.CommandTag, error)

func Exists(table string, conditions string, values ...any) bool

func Init(dbURI string)

func NoRows(err error) bool

func Query(sql string, args ...any) (pgx.Rows, error)

func QueryRow(sql string, args []any, scanTarget ...any) error

func QueryRowID(sql string, arg any, scanTarget ...any) error