ViewerDataMySQL-class      package:rdataviewer      R Documentation

_C_l_a_s_s "_V_i_e_w_e_r_D_a_t_a_M_y_S_Q_L"

_D_e_s_c_r_i_p_t_i_o_n:

     An object representing the SQL query to view.

_O_b_j_e_c_t_s _f_r_o_m _t_h_e _C_l_a_s_s:

     Objects can be created using the 'viewerDataMySQL' function.

_S_l_o_t_s:


     '_d_b_c_o_n': Object of class '"MySQLConnection"' giving a connection
          to the database server.

     '_q_u_e_r_y': Object of class '"character"' giving the SQL query.

     '_c_o_l_n_a_m_e_s': Object of class '"character"' giving the column names
          of the query result.

     '_p_a_d_d_e_d_n_a_m_e_s': Object of class '"character"' giving the column
          names padded to the maximum width of the columns. 

     '_w_i_d_t_h_s': Object of class '"numeric"' giving the number of
          characters in each column of the result.

     '_n_l_i_n_e_s': Object of class '"numeric"' giving the number of rows in
          the result. 

_E_x_t_e_n_d_s:

     The virtual class '"ViewerData"', directly.

_M_e_t_h_o_d_s:


     _c_o_l_N_a_m_e_s 'signature(data = "ViewerDataMySQL", cols = "ANY")':
          provide the names of the specified columns.

     _c_o_l_W_i_d_t_h_s 'signature(data = "ViewerDataMySQL")':  provide the
          number of characters in each of the specified columns.

     _d_i_m_e_n_s_i_o_n_s 'signature(data = "ViewerDataMySQL")':  provide the
          number of rows and columns in the data.

     _g_e_t_T_e_x_t 'signature(data = "ViewerDataMySQL", rows = "ANY", cols =
          "ANY")':  provide a text version of a subset of the data as
          specified by the rows and columns. 

_A_u_t_h_o_r(_s):

     Paul Murrell

_S_e_e _A_l_s_o:

     'Viewer'

_E_x_a_m_p_l_e_s:

     showClass("ViewerDataMySQL")

