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dbupdate entry; WIP table altering statements for lehre.tbl_projektarbeit
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@@ -92,6 +92,7 @@ require_once('dbupdate_3.4/68744_StV_settings.php');
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require_once('dbupdate_3.4/62889_reihungstest_ueberwachung_mit_constructor.php');
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require_once('dbupdate_3.4/71399_dashboard_update_widget_paths.php');
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require_once('dbupdate_3.4/71645_studvw_messagetab_ladezeit.php');
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require_once('dbupdate_3.4/75469_le_optional_4_projektarbeit.php');
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// *** Pruefung und hinzufuegen der neuen Attribute und Tabellen
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echo '<H2>Pruefe Tabellen und Attribute!</H2>';
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@@ -0,0 +1,48 @@
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<?php
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if (! defined('DB_NAME')) exit('No direct script access allowed');
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if($result = $db->db_query("SELECT 1 FROM information_schema.columns WHERE table_schema = 'lehre' AND table_name = 'tbl_projektarbeit' AND column_name = 'lehrveranstaltung_id'"))
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{
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if($db->db_num_rows($result) === 0)
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{
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$qry = "ALTER TABLE lehre.tbl_projektarbeit
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ADD COLUMN IF NOT EXISTS lehrveranstaltung_id INTEGER;";
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if(!$db->db_query($qry))
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echo '<strong>lehre.tbl_projektarbeit: '.$db->db_last_error().'</strong><br>';
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else
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echo '<br>tbl_projektarbeit column lehrveranstaltung_id hinzugefuegt';
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}
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}
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// TODO: check for and add fk constraint lehrveranstaltung_id
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//if($result = $db->db_query("SELECT 1 FROM information_schema.columns WHERE table_schema = 'lehre' AND table_name = 'tbl_projektarbeit' AND column_name = 'lehrveranstaltung_id'"))
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//{
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// if($db->db_num_rows($result) === 0)
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// {
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//
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// $qry = "ALTER TABLE lehre.tbl_projektarbeit
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// ADD COLUMN IF NOT EXISTS lehrveranstaltung_id INTEGER;";
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//
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// if(!$db->db_query($qry))
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// echo '<strong>lehre.tbl_projektarbeit: '.$db->db_last_error().'</strong><br>';
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// else
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// echo '<br>tbl_projektarbeit column lehrveranstaltung_id hinzugefuegt';
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// }
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//}
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if($result = $db->db_query("SELECT 1 FROM information_schema.columns WHERE table_schema = 'lehre' AND table_name = 'tbl_projektarbeit' AND column_name = 'studiensemester_kurzbz'"))
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{
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if($db->db_num_rows($result) === 0)
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{
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$qry = "ALTER TABLE lehre.tbl_projektarbeit
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ADD COLUMN IF NOT EXISTS lehrveranstaltung_id INTEGER;";
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if(!$db->db_query($qry))
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echo '<strong>lehre.tbl_projektarbeit: '.$db->db_last_error().'</strong><br>';
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else
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echo '<br>tbl_projektarbeit column lehrveranstaltung_id hinzugefuegt';
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}
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}
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