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如何将此查询转换为CakePHP查询?如何将此查询转换为CakePHP查询?
SELECT COUNT(invoices.id) FROM invoices,sales
WHERE invoices.id=sales.invoice_id AND to_id='13' AND is_updated='0'
GROUP BY invoice_id
我有两个控制器和两个模型,发票和销售。
如何将此查询转换为CakePHP查询?如何将此查询转换为CakePHP查询?
SELECT COUNT(invoices.id) FROM invoices,sales
WHERE invoices.id=sales.invoice_id AND to_id='13' AND is_updated='0'
GROUP BY invoice_id
我有两个控制器和两个模型,发票和销售。
对于像COUNT
聚合函数,你需要创建虚拟领域。
$this->Invoice->virtualFields['total'] = 'COUNT(`Invoice`.`id`)';
$result = $this->Invoice->find('all', array(
'fields' => array('Invoice.total'),
'joins' => array(
array(
'table' => 'sales',
'alias' => 'Sale',
'type' => 'INNER',
'conditions' => array(
'Invoice.id = Sale.invoice_id',
)
)
),
'conditions' => array(
'to_id' => 13,
'is_updated' => 0
),
'group' => array('Sale.invoice_id')
));
pr($result); // Check your result
使用以下链接作为参考:
请解释这既是表中的主键和外键 –
对不起,我只是忘了要添加外键报复,在销售表中有一个与之相关的invoice_id以发票表主键“ID” –
@DebasishSahoo您使用的是CakePHP的哪个版本,因为这会产生很大的差异! – drmonkeyninja