codeigniter-datamapper

问题 I am developing a site that will fetche reviews on various renowned car dealers (i.e. Fordham Toyota, Westchester Toyota, Toyota Of Manhattan etc.) from major review sites like CitySeach, Dealer Rater, Insider Pages, Yelp, Yahoo-local, Google+ etc. Basically the functionality of this site is to allow business owners to monitor their online reviews on major review sites. I am using codeigniter and datamapper (version 1.8) in this project and facing some problems to delete data from mysql

问题 I am using codeigniter as my PHP framework, and I keep getting this error when I submit my from to post to my database. You must use the "set" method to update an entry I am not exactly sure what that means, from the other posts I have looked at, everyone says that the datamapper needs to have a value assigned to the object. Being that I am new to all this, could someone give me a better explaniation. Here is my code where it says I have the error: class Add_book extends CI_Model { public

问题 Using Datamapper 1.8.1-dev for PHP's CodeIgniter, I'm trying to build this query to prioritize one country name at top of the list: SELECT * FROM countries ORDER BY CASE name WHEN 'Australia' THEN 1 ELSE 2 END, name PHP on my Country model (which extends Datamapper): $countries = new Country(); $countries->order_by("CASE name WHEN 'Australia' THEN 1 ELSE 2 END, name"); $countries->get_iterated(); Datamapper instead parses "CASE" as a table name, building this syntax error query: SELECT * FROM

问题 I am building a small core piece for my DataMapper ORM library in CodeIgniter to control user's access/edit rights (CRUD) over DataMapper objects itself. For this I want to link a DataMapper Entity , Userrole and Userright together. The documentation is here http://datamapper.wanwizard.eu/pages/advancedrelations.html (Under head; Multi-table Relationships ). So if I fill in the join table by hand I can just get the values without any problems. The only problem is saving the relationship. Here

问题 Im a newbie in CodeIgniter. I have created model for Pizza table and Ingredients table. Tables are joined by additional Pizza_Ingredients table (its many to many relation). My model: <?php class Pizza extends DataMapper { var $table = 'Pizza'; var $has_many = array( 'ingredients' => array( 'class' => 'ingredients', 'join_table' => 'pizza_ingredients' ) ); } class Ingredients extends DataMapper { var $table = 'Ingredients'; var $has_many = array( 'pizza' => array( 'class' => 'pizza', 'join

问题 I did search for a solution, but found nothing helpfull. This question was about using multiple databases with datamapper but I already use that method. user model: class User extends DataMapper { var $prefix = "app_"; var $db_params = 'default'; ... company model: class Company extends DataMapper { var $prefix = "tbl_"; var $db_params = 'super'; ... I have the above models. They are related as user-has-one-company and company-has-many-user. When I create a company, a user will be created

问题 I'm using codeigniter and datamapper to build an API service (on mysql), and part of it involves geolocation - however I can't seem to find a workaround to use the point datatype. If I try to insert GeomFromText, the system treats it as a string. Can anyone help? Cheers, Mark. 回答1: Try CREATE TABLE Points ( ID INT(10) PRIMARY KEY NOT NULL AUTO_INCREMENT, location POINT NOT NULL, SPATIAL INDEX(location) ) ENGINE= MYISAM In CodeIgniter: $this->db->set("location",'geomfromtext("POINT(30.2 40.3)"

问题 Is it possible to rollback a transaction after it has been commited? I ask this because in the Datamapper documentation i see the trans_begin() method, but i didn't find the trans_end() method. Codeigniter has the trans_complete() method, so i assumed Datamapper might have a similar method. One thing I found interesting is this answer. Is there anything similar to a savepoint in Datamapper/Codeigniter? 回答1: http://datamapper.wanwizard.eu/pages/transactions.html DataMapper handles transactions

问题 Given the following models: Category: has_many(‘template’) Template: has_many(‘tag’, ‘procedure’) What is the most efficient way to load ALL objects related to ALL categories? For instance, I’m currently doing the following, but hopefully there is a better way: // Load all Category objects $categories = new Category(); $categories->get(); // Load all Template objects related to each Category foreach($categories as $category) { $category->templates->get(); // Load all the Tag and Procedure

问题 I'm using the DMZ DataMapper ORM for CodeIgniter. I'm sure it is possible to configure it to connect to multiple databases. I haven't found any documentation yet. Has anyone done this before? 回答1: Thank you for your idea indi. in application/config/database.php $db['other_database'] = array( 'hostname' => 'your_host_name', 'username' => 'your_user_name', 'password' => 'your_paasword', 'database' => 'other_database_name', 'prefix' => '', 'dbdriver' => 'mysql', 'pconnect' => true, 'db_debug' =>