我有一个查询,可以在phpmyadmin上尝试它,并且可以正常工作。
SELECT * FROM `penyakit` LEFT JOIN puskesmas ON penyakit.id_puskesmas=puskesmas.id_puskesmas WHERE (YEAR(waktu_upload) = 2018 AND MONTH(waktu_upload) = 12) AND penyakit.id_puskesmas = 19
我将此查询用于我的过滤器功能,如下所示:
function status_data($year,$month){
$this->db->select('*');
$this->db->from('puskesmas');
$this->db->group_by('puskesmas.nama_puskesmas');
$this->db->join('penyakit', 'puskesmas.id_puskesmas=penyakit.id_puskesmas', 'left');
$data= $this->db->get()->result();
foreach ($data as $value) {
$query = $this->db->query("SELECT * FROM `penyakit` LEFT JOIN puskesmas ON penyakit.id_puskesmas=puskesmas.id_puskesmas WHERE YEAR(waktu_upload) = '$year' AND MONTH(waktu_upload) = '$month'
AND puseksmas.id_puskesmas=".$value->id_puskesmas);
$num = $query->num_rows();
$value->num = $num;
if($num < 19 ){
$value->status = "<button type='button' class='btn btn-danger btn-rounded'> Uncomplete</button>";
}else{
$value->status = "<button type='button' class='btn btn-success btn-rounded'> Complete </button>";
}
}
//die(print_r($data));
return $data;
}
但是此查询无法获取ID并显示这样的错误。
SELECT *从
penyakit
左起,在penyakit.id_puskesmas = puskesmas.id_puskesmas上加入puskesmas,其中YEAR(waktu_upload)='2018'AND MONTH(waktu_upload)='12'和puseksmas.id_puskesmas =
此ID未显示。我该如何解决?