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Better query to get parameters for experiments

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This commit is contained in:
Eike Foken
2011-09-28 15:17:26 +02:00
parent bb76685122
commit 20f0e199ef
1 changed files with 6 additions and 4 deletions
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10
application/models/experiment.php
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@@ -113,11 +113,13 @@ class Experiment extends CI_Model {
* @return array
*/
public function getParameters($experimentId) {
$this->db->select('experiments_parameters.*, parameters.readable, parameters.name, parameters.type, parameters.unit');
$this->db->join('parameters', 'experiments_parameters.parameter_id = parameters.id', 'left');
$this->db->where('experiment_id', $experimentId);
$programId = $this->db->get_where('experiments', array('id' => $experimentId))->row()->program_id;
$query = $this->db->get('experiments_parameters');
$query = $this->db->query("SELECT `experiments_parameters`.*, `parameters`.`readable`,"
. " `parameters`.`name`, `parameters`.`type`, `parameters`.`unit`"
. " FROM `parameters` LEFT JOIN `experiments_parameters`"
. " ON (`experiments_parameters`.`parameter_id` = `parameters`.`id`"
. " AND `experiment_id` = '{$experimentId}') WHERE `program_id` = '{$programId}' ORDER BY `sort_number` ASC");
return $query->num_rows() > 0 ? $query->result_array() : false;
}