remove columns mkdate and chdate from table semester_courses, fixes #1387

Closes #1387

Merge request studip/studip!4302

1 files changed, 24 insertions, 0 deletions

diff --git a/db/migrations/6.1.5_remove_mkdate_chdate_from_semester_courses_table.php b/db/migrations/6.1.5_remove_mkdate_chdate_from_semester_courses_table.php
new file mode 100644
index 0000000..e608500
--- /dev/null
+++ b/db/migrations/6.1.5_remove_mkdate_chdate_from_semester_courses_table.php
@@ -0,0 +1,24 @@
+<?php
+final class RemoveMkdateChdateFromSemesterCoursesTable extends Migration
+{
+    public function description()
+    {
+        return 'Remove mkdate and chdate from semester_courses table';
+    }
+
+    public function up()
+    {
+        $query = "ALTER TABLE `semester_courses`
+                  DROP COLUMN `mkdate`,
+                  DROP COLUMN `chdate`";
+        DBManager::get()->exec($query);
+    }
+
+    public function down()
+    {
+        $query = "ALTER TABLE `semester_courses`
+                  ADD COLUMN `mkdate` INT(11) UNSIGNED NOT NULL DEFAULT 0,
+                  ADD COLUMN `chdate` INT(11) UNSIGNED NOT NULL DEFAULT 0";
+        DBManager::get()->exec($query);
+    }
+}