PHPCMS 使用最多的几个数据库操作方法：

按照使用次数来排序，最多的是get_one：

phpcms - v9 - db类使用最多的方法：
Array
(
    [get_one] => 454
    [select] => 235
    [insert] => 228
    [update] => 225
    [query] => 154
    [delete] => 139
    [listinfo] => 84
    [set_model] => 68
    [get_siteid] => 67
    [count] => 29
    [api_update] => 17
    [fetch_array] => 14
    [table_name] => 11
    [table_exists] => 11
    [get_fields] => 11
    [version] => 11
    [fetch_next] => 9
    [create_sql_file] => 8
    [insert_id] => 8
    [api_delete] => 7
    [change_table] => 6
    [field_exists] => 5
    [add_message] => 4
    [update_search] => 4
    [add_content] => 4
    [set_catid] => 4
    [list_tables] => 4
    [delete_search] => 4
    [get_content] => 3
    [free_result] => 3
    [drop_table] => 3
    [sql_execute] => 3
    [edit_total] => 2
    [edit_content] => 2
    [creat_table] => 2
    [messagecheck] => 2
    [affected_rows] => 2
    [delete_content] => 2
    [sql_query] => 2
    [drop_field] => 2
    [site] => 2
    [change_member_modelid] => 1
    [close] => 1
    [num_fields] => 1
    [get_list] => 1
    [get_subject] => 1
    [api_add] => 1
    [connect] => 1
    [_get_usergroup_bypoint] => 1
    [create_html] => 1
    [num_rows] => 1
    [status] => 1
    [cache_items] => 1
    [get_primary] => 1
)