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node_table.py

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node_table: Example and Test

def node_table() :
    import dismod_at
    #
    file_name      = 'example.db'
    connection     = dismod_at.create_connection(
        file_name, new = True, readonly = False
    )
    cursor         = connection.cursor()
    #
    # create the node table
    col_name = [ 'node_name',     'parent'    ]
    col_type = [ 'text',          'integer'   ]
    row_list = [
        [ 'world',         None        ],
        [ 'north_america', 0           ],
        [ 'united_states', 1           ],
        [ 'canada',        1           ]
    ]
    tbl_name = 'node'
    dismod_at.create_table(connection, tbl_name, col_name, col_type, row_list)
    # ----------------------------------------------------------------------
    # include primary key in test
    check_name = [ tbl_name + '_id' ] + col_name
    check_list = list()
    for i in range( len(row_list) ) :
        check_list.append( [i] + row_list[i] )
    #
    row_list = dismod_at.get_row_list(connection, tbl_name, check_name)
    assert row_list == check_list
    # ----------------------------------------------------------------------
    connection.close()
    print('node_table: OK')