[英]How update a table in codeigniter with inner join?
我想在查询生成器Codeigniter中转换此查询Mysql
该查询适用于mysql,但不适用于codeigniter
MySQL的
UPDATE tbl_person p
INNER JOIN tbl_family_victim f ON p.id_person = f.id_person
SET p.active = 0
WHERE f.id_prisoners = 32;
点火枪
public function delete_all($id_pris){
$this->db->join('tbl_family f','p.id_person = f.id_person');
$this->db->set('p.active', '0');
$this->db->where('f.id_prisoners', $id_pris);
$data_result = $this->db->update('tbl_person p');
return $data_result;
}
尝试这个,
public function delete_all($id_pris){
$this->db->set('p.active', '0');
$this->db->where('f.id_prisoners', $id_pris);
$data_result = $this->db->update('tbl_person p JOIN tbl_family f ON p.id_person = f.id_person');
return $data_result;
}
您的脚本中有分钟错误,您错过了从属表的别名
版本1
public function delete_all($id_pris){
$this->db->join('tbl_family f','p.id_person = f.id_person',"inner"); // you missed `f` here
$this->db->set('p.active', '0');
$this->db->where('f.id_prisoners', $id_pris);
$data_result = $this->db->update('tbl_person p');
return $data_result;
}
这应该工作正常。
版本2
$this->db->set('p.active', '0');
$this->db->where('f.id_prisoners', $id_pris);
$this->db->where('p.id_person = f.id_person')
$data_result = $this->db->update('tbl_family as f, tbl_person as p');
return $data_result;
版本3
$sql = "
UPDATE tbl_person p
INNER JOIN tbl_family_victim f ON p.id_person = f.id_person
SET p.active = 0
WHERE f.id_prisoners = $id_pris";
$this->db->query($sql);
版本4
$this->db->set('p.active', '0');
$this->db->where('f.id_prisoners', $id_pris);
$data_result = $this->db->update('tbl_family as f JOIN tbl_person as p ON p.id_person = f.id_person');
return $data_result;
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