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Refactored query to load a single Zeitwunschgueltigkeit

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Instead of limiting returning rows by using ende of next Studiensemester,
it is limited by ordering and limiting query now.
This commit is contained in:
Cris
2021-12-07 17:24:07 +01:00
parent 40871c73a0
commit e9cc04783e
1 changed files with 8 additions and 5 deletions
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include/zeitwunsch_gueltigkeit.class.php
+8 -5
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@@ -1,7 +1,6 @@
<?php
require_once(dirname(__FILE__). '/basis_db.class.php');
require_once(dirname(__FILE__). '/studiensemester.class.php');
class zeitwunsch_gueltigkeit extends basis_db
{
@@ -45,11 +44,12 @@ class zeitwunsch_gueltigkeit extends basis_db
}
$qry = '
SELECT *
FROM campus.tbl_zeitwunsch_gueltigkeit
SELECT *, studiensemester_kurzbz, start, ende
FROM campus.tbl_zeitwunsch_gueltigkeit, public.tbl_studiensemester
WHERE zeitwunsch_gueltigkeit_id = '.$this->db_add_param($zeitwunsch_gueltigkeit_id). '
AND (von < ende AND COALESCE(bis, '. $this->db_add_param($studiensemester->ende).'::date ) > start)
ORDER BY von DESC
AND (von < ende AND COALESCE(bis, \'2999-12-31\'::date ) > start)
ORDER BY start ASC
LIMIT 1
';
if ($result = $this->db_query($qry))
@@ -63,6 +63,9 @@ class zeitwunsch_gueltigkeit extends basis_db
$this->insertvon = $row->insertvon;
$this->updateamum = $row->updateamum;
$this->updatevon = $row->updatevon;
$this->studiensemester_kurzbz = $row->studiensemester_kurzbz;
$this->start = $row->start;
$this->ende = $row->ende;
}
return true;
}