code: func (s *Stmt) MustExecContext(ctx context.Context, args ...interface{}) sql.Result {
  	return MustExecContext(ctx, &qStmt{s}, "", args...)
  }
docs: // MustExecContext (panic) using this statement.  Note that the query portion of
  // the error output will be blank, as Stmt does not expose its query.
  // Any placeholder parameters are replaced with supplied args.