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Lost GET variable into list_items()

albertcjjalbertcjj
edited July 2017 in Modules
In my model, I want to filter my query with a GET parameter, but when I put into the “where”, the value is lost. I also tried assig the value to any variable and I had no problem.
Why the value is lost?

function list_items($limit = NULL, $offset = NULL, $col = '', $order = 'ciclo desc', $just_count = FALSE)
{
$info = '';

if(isset($_GET['id_info']))
$info = $_GET['id_info'];

echo "info=".$info."\n";
$c = '1';

$array = array('id_info' => $info, 'ciclo' => $c);

var_dump($array);

$this->db->where($array);

$this->db->select('id, id_info, ciclo, presion_arterial, frecuencia_cardiaca, frecuencia_respiratoria, temperatura, talla, peso, imc, superficie_corporal', FALSE);

$data = parent::list_items($limit, $offset, $col, $order, $just_count);

$this->debug_query();

return $data;
}

The result in the browser is:

info= array(2) { ["id_info"]=> string(0) "" ["ciclo"]=> string(1) "1" } SELECT id, id_info, ciclo, presion_arterial, frecuencia_cardiaca, frecuencia_respiratoria, temperatura, talla, peso, imc, superficie_corporal FROM (`signos_vitales`) WHERE `id_info` = '' AND `ciclo` = '1' ORDER BY `id_info` asc LIMIT 50


View the code is:

info=1
array(2) {
["id_info"]=>
string(1) "1"
["ciclo"]=>
string(1) "1"
}
SELECT COUNT(*) AS `numrows`
FROM (`signos_vitales`)
WHERE `id_info` = '1'
AND `ciclo` = '1'

Comments

  • albertcjjalbertcjj
    edited July 2017
    As you can see I have 2 different results, why?

    Thanks
  • almostcompletelyalmostcompletely
    edited 6:56PM
    doesn't the list_items() function reset the $this->db->select() statement?
    Maybe add a $this->db->where() and then pull the data directly?
  • albertcjjalbertcjj
    edited 6:56PM
    Thanks, I tried change db->select() for db->query(), I explain:

    I have my URL like this:
    http://../fuel/signos_vitales/?ciclo=1&id_info=1

    function list_items($limit = NULL, $offset = NULL, $col = '', $order = 'ciclo desc', $just_count = FALSE) {

    $info = '';
    $ciclo = '';

    if(isset($_GET['id_info']))
    $info = $_GET['id_info'];

    if(isset($_GET['ciclo']))
    $ciclo = $_GET['ciclo'];

    $qry = 'select id, id_info, ciclo, presion_arterial, frecuencia_cardiaca, frecuencia_respiratoria, temperatura, talla, peso, imc, superficie_corporal from signos_vitales where id_info='.$info.' and ciclo='.$ciclo;

    $this->db->query($qry);

    $data = parent::list_items($limit, $offset, $col, $order, $just_count);

    $this->debug_query();

    return $data;

    }

    I verify that the variables $_GET have values, applying "echo", then apply in my query

    But the result is the same when debug:

    You have an error in your SQL syntax; check the manual that corresponds
    to your MySQL server version for the right syntax to use near 'and ciclo=' at line 1

    select id, id_info, ciclo, presion_arterial, frecuencia_cardiaca, frecuencia_respiratoria, temperatura, talla, peso, imc, superficie_corporal from signos_vitales where id_info= and ciclo=

    I don't know why lost the values of variables when execute query.

    Thanks

  • adminadmin
    edited 6:56PM
    The list_items does an AJAX request too. Is the error happening in the AJAX request and are those values being passed in the AJAX request?
  • albertcjjalbertcjj
    edited 6:56PM
    Yes, is in the AJAX request the error, check the following image:

    https://drive.google.com/file/d/0Bzij4lOEOgALZG5XTGlfdElmZkE/view
  • adminadmin
    edited 6:56PM
    The $_GET variables will only get passed to the AJAX request if there is a form field set for it in the filters area. It essentially will serialize the form fields on the page and pass it to the AJAX request.
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