yii cdbcriteria: complex joins - yii

Question

I recently started a project using Yii and I'm trying to get used to the query builder. Now, I want to make a query using joins and access the joining tables' data in the query but I haven't been able to get the following to work:
My (simplified) db-tables:
customer(#id, name)
employee(#id, name)
customer_employee(#customerid, #employeeid)
accounting(#id, customerid, started_date, finished_date, month, year)
many-to-many relation between customer and employee
one-to-many relation between customer and accounting
I want to execute the following query, which would select all the customers associated with a certain employee and display their accounting status (started_date & finished_date) if applicable (otherwise null).
The following query works perfectly, it's just that I can't get it to work with the cdbcriteria and Yii query builder: (also, hardcoded id is just for this example)
SELECT name, started_date, finished_date
FROM customer
RIGHT JOIN customer_employee ON customer.id=customer_employee.customerid
LEFT JOIN accounting ON customer.id=accounting.customerid
WHERE customer_employee.employeeid=2';
Please help!

Answer 1

1.
createCommand
Yii::app()->db->createCommand()
->select('name, started_date, finished_date')
->from('customer c')
->rightJoin('customer_employee ce', 'c.id=ce.customerid')
->leftJoin('accounting a', 'c.id=a.customerid')
->where('ce.employeeid=:id', array(':id'=>2))
->queryRow();
2.
CdbCriteria
$criteria = new CDbCriteria;
$criteria->select = 'name, started_date, finished_date';
$criteria->join = 'RIGHT JOIN customer_employee ON customer.id=customer_employee.customerid ';
$criteria->join .= 'LEFT JOIN accounting ON customer.id=accounting.customerid';
$criteria->condition = 'customer_employee.employeeid=:id';
$criteria->params = array(':id'=>2);
$customers = Customers::model()->find($criteria);
*.
don't forget the rules: http://www.yiiframework.com/doc/guide/1.1/en/database.arr
I didn't tested your SQLs, but if worked for you, these should, also work in Yii.

Answer 2

$criteria = new CDbCriteria();
$criteria->select = "name, started_date, finished_date";
$criteria->join = "RIGHT JOIN customer_employee ON customer.id=customer_employee.customerid LEFT JOIN accounting ON customer.id=accounting.customerid";
$criteria->condition = "customer_employee.employeeid=2";
$models = Customer::model()->findAll($criteria);
This is how to get data with command for table customer_employee
foreach($model as $value)
{
}

Answer 3

A bit late in the day but see this post on my blog which addresses both parts of this difficult sub-query style SQL.
Firstly, to build a Search that relies on attributes from other models
Secondly, to use related models simply without using the full Yii AR model
http://sudwebdesign.com/yii-parameterising-a-sub-select-in-sql-builder/932

Answer 4

I have not run it but some thing like the following is what you need
$criteria = new CDbCriteria();
$criteria->select = "name, started_date, finished_date";
$criteria->join = "RIGHT JOIN customer_employee ON customer.id=customer_employee.customerid LEFT JOIN accounting ON customer.id=accounting.customerid";
$criteria->condition = "customer_employee.employeeid=2";
$models = Customer::model()->findAll($criteria);