I think that it is very essential.
Any help will be appreciated. I can't continue my work without it :/
Kine regards,
T.
On 28 Maj, 01:01, 朝の木 <asan...@gmail.com> wrote:
> Here is full statement *generated by cake*. It raises sql-error:
>
> SELECT `TestProduct`.`title`, `TestType`.`description`,
> `TestProductItem`.`size`, COUNT(*) FROM `test_product_items` AS
> `TestProductItem` LEFT JOIN `test_products` AS `TestProduct` ON
> (`TestProductItem`.`test_product_id` = `TestProduct`.`id`) WHERE 1 = 1
> GROUP BY `TestProduct`.`id`, `TestProductItem`.`size` ORDER BY
> `TestProductItem`.`id` asc LIMIT 25
>
> Error:
> SQL Error: 1054: Unknown column 'TestType.description' in 'field
> list' [CORE/cake/libs/model/datasources/dbo_source.php, line 666]
>
> This is *expected* to be generated by cake, but is not:
>
> SELECT `TestProduct`.`title`, `TestType`.`description`,
> `TestProductItem`.`size`, COUNT(*) FROM `test_product_items` AS
> `TestProductItem` LEFT JOIN `test_products` AS `TestProduct` ON
> (`TestProductItem`.`test_product_id` = `TestProduct`.`id`) LEFT JOIN
> `test_types` AS `TestType` ON (`TestProduct`.`test_type_id` =
> `TestType`.`id`) WHERE 1 = 1 GROUP BY `TestProduct`.`id`,
> `TestProductItem`.`size` ORDER BY `TestProductItem`.`id` asc LIMIT 25
>
> As you can see in first sql query, only join statement for
> test_products table is generated, but no for test_types.
>
> A. Below are source files:
>
> === controllers/test_product_items_controller.php ===
>
> class TestProductItemsController extends AppController {
> var $paginate = array(
> 'limit' => 25,
> 'fields' => 'TestProduct.title, TestType.description,
> TestProductItem.size, COUNT(*)',
> 'order' => array(
> 'TestProductItem.id' => 'asc'
> ),
> 'group' => array(
> 'TestProduct.id, TestProductItem.size'
> )
> );
>
> function index() {
> $this->set('testProductItems', $this->paginate('TestProductItem'));
> }
>
> }
>
> === models/test_product.php ===
>
> class TestProduct extends AppModel {
> var $belongsTo = array('TestType');
> var $hasMany = array('TestProductItem');
>
> }
>
> === models/test_type.php ===
>
> class TestType extends AppModel {
> var $hasMany = array('TestProduct');
>
> }
>
> === models/test_product_item.php ===
>
> class TestProductItem extends AppModel {
> var $belongsTo = array('TestProduct');
>
> }
>
> B. Database schema & data:
>
> CREATE TABLE `test_products` (
> `id` int(11) NOT NULL auto_increment,
> `title` varchar(128) NOT NULL,
> `test_type_id` int(11) NOT NULL,
> PRIMARY KEY (`id`)
> ) ENGINE=MyISAM DEFAULT CHARSET=utf8 AUTO_INCREMENT=2 ;
>
> CREATE TABLE `test_product_items` (
> `id` int(11) NOT NULL auto_increment,
> `test_product_id` int(11) NOT NULL,
> `size` varchar(16) NOT NULL,
> `sold_time` datetime default NULL,
> PRIMARY KEY (`id`)
> ) ENGINE=MyISAM DEFAULT CHARSET=utf8 AUTO_INCREMENT=13 ;
>
> CREATE TABLE `test_types` (
> `id` int(11) NOT NULL auto_increment,
> `description` varchar(32) NOT NULL,
> PRIMARY KEY (`id`)
> ) ENGINE=MyISAM DEFAULT CHARSET=utf8 AUTO_INCREMENT=5 ;
>
> INSERT INTO `test_products` VALUES (1, 'Star Jeans 502', 4);
> INSERT INTO `test_product_items` VALUES (7, 1, 'S', NULL);
> INSERT INTO `test_product_items` VALUES (8, 1, 'S', NULL);
> INSERT INTO `test_product_items` VALUES (9, 1, 'S', NULL);
> INSERT INTO `test_product_items` VALUES (10, 1, 'M', NULL);
> INSERT INTO `test_product_items` VALUES (11, 1, 'M', NULL);
> INSERT INTO `test_product_items` VALUES (12, 1, 'L', NULL);
> INSERT INTO `test_types` VALUES (4, 'Trousers');
>
> Thanks in advance,
> T.
>
> On 27 Maj, 05:38, Jeremy Burns <jeremybu...@me.com> wrote:
>
> > All of your table and field names should be lower case.
>
> > What is your full find statement? Can you post it all, not just a small piece.
>
> > Jeremy Burns
> > jeremybu...@me.com
>
> > On 27 May 2010, at 00:22, 朝の木 wrote:
>
> > > I have three models (with controllers):
> > > - Product: Id, Title, Type_id
> > > - Type: Id, Description
> > > - ProductItem: Id, Product_id, Size, Sold_time
>
> > > Relationships:
> > > - Product: belongsTo(Type), hasMany(ProductItem)
> > > - Type: hasMany(Product)
> > > - ProductItem: belongsTo(Product)
>
> > > Example:
> > > - Product:
> > > 1; 'Star Jeans 502', 4
> > > (...)
>
> > > - Type:
> > > 4; 'Trousers'
> > > (...)
>
> > > - ProductItem:
> > > 7; 1; 'S', NULL
> > > 8; 1; 'S', NULL
> > > 9; 1; 'S', NULL
> > > 10; 1; 'M', NULL
> > > 11; 1; 'M', NULL
> > > 12; 1; 'L', NULL
> > > (...)
>
> > > Now, I'd like to fetch the in such way:
> > > Description, Type, Size, Count
> > > Star Jeans 502, 'Trousers', 'S', 3
> > > Star Jeans 502, 'Trousers', 'M', 2
> > > Star Jeans 502, 'Trousers', 'L', 1
>
> > > The sql query should look like this:
> > > select Product.Title, Type.Description, ProductItem.Size,
> > > COUNT(ProductItem.*)
> > > left join Type on Product.Type_id = Type.id left join ProductItem on
> > > ProductItem.Product_id = Product.id
> > > group by Product.Id, ProductItem.Size
>
> > > Is it correct?
>
> > > I want to make such sql in cakephp in automagicalled way using find in
> > > ProductItem controller. Unfortunately it does not work. I tried find
> > > with parameter: field => (Product.Title, Type.Description,
> > > ProductItem.Size, COUNT(ProductItem.*)) and group => (Product.Id,
> > > ProductItem.Size), but cake doesn't want to put join on ProductType.
>
> > > I think that cake builds joins only for tables in relations with
> > > current model (ProductItem), and does not look deeper -
> > > "belongsTo(Type)" is defined in Product model.
>
> > > How to solve this problem?
>
> > > Kind regards,
> > > T.
>
> > > Check out the new CakePHP Questions sitehttp://cakeqs.organdhelp others with their CakePHP related questions.
>
> > > You received this message because you are subscribed to the Google Groups "CakePHP" group.
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Check out the new CakePHP Questions site http://cakeqs.org and help others with their CakePHP related questions.
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