[英]sum two columns by query builder
How to add to numbers in codeigniter? 如何在Codeigniter中添加数字? Below code
下面的代码
$this->db->where(array('is_active' => 1, 'time + duration <=' => time()));
$this->db->update('table', array('is_active' => 0));
will result in: 将导致:
UPDATE `table` SET `is_active` = 0 WHERE `is_active` = 1 AND `time +` `duration` <= 1436170717
I want 我想要
`time` + `duration`
我在他们之间加了引号,并且奏效了。
$this->db->where(array('is_active' => 1, '\'time\' + \'duration\' <=' => time() ));
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