add index and set correct for auth_user_md5.matriculation_number, fixes #4577

Closes #4577

Merge request studip/studip!3392

1 files changed, 27 insertions, 0 deletions

diff --git a/db/migrations/5.5.32_index_and_correct_type_for_matriculation_number.php b/db/migrations/5.5.32_index_and_correct_type_for_matriculation_number.php
new file mode 100644
index 0000000..e74ff6d
--- /dev/null
+++ b/db/migrations/5.5.32_index_and_correct_type_for_matriculation_number.php
@@ -0,0 +1,27 @@
+<?php
+/**
+ * @see https://gitlab.studip.de/studip/studip/-/issues/4577
+ */
+final class IndexAndCorrectTypeForMatriculationNumber extends Migration
+{
+    public function description()
+    {
+        return 'Sets the type of the matriculation number column correctly and adds an index';
+    }
+
+    public function up()
+    {
+        $query = "ALTER TABLE `auth_user_md5`
+                  MODIFY COLUMN `matriculation_number` VARCHAR(255) COLLATE latin1_bin NULL DEFAULT NULL,
+                  ADD UNIQUE INDEX `matriculation_number` (`matriculation_number`)";
+        DBManager::get()->exec($query);
+    }
+
+    public function down()
+    {
+        $query = "ALTER TABLE `auth_user_md5`
+                  DROP INDEX `matriculation_number`,
+                  MODIFY COLUMN `matriculation_number` VARCHAR(255) NULL DEFAULT NULL";
+        DBManager::get()->exec($query);
+    }
+}