github.com/jackc/pgx/v5/pgconn.PgConn.CopyTo (method)

one use

	github.com/jackc/pgx/v5/pgconn (current package)
		pgconn.go#L1311: func (pgConn *PgConn) CopyTo(ctx context.Context, w io.Writer, sql string) (CommandTag, error) {