1 files changed, 28 insertions, 0 deletions
diff --git a/application/migrations/021_change_charset.php b/application/migrations/021_change_charset.php
new file mode 100644
index 000000000..475732ed5
--- /dev/null
+++ b/application/migrations/021_change_charset.php
@@ -0,0 +1,28 @@
+<?php
+defined('BASEPATH') OR exit('No direct script access allowed');
+
+class Migration_change_charset extends CI_Migration {
+
+	public function up()
+	{
+		$prefix = $this->db->dbprefix;
+
+		if ($this->db->dbdriver == 'postgre') {
+			# nothing to do
+		} else {
+			$this->db->query('SET FOREIGN_KEY_CHECKS = 0');
+			foreach ([
+				['apikeys', 'comment', 'VARCHAR(255)'],
+				['files', 'filename', 'VARCHAR(256)'],
+			] as $col) {
+				$this->db->query('ALTER TABLE `'.$prefix.$col[0].'` CHANGE `'.$col[1].'` `'.$col[1].'` '.$col[2].' CHARACTER SET utf8mb4 COLLATE utf8mb4_bin;');
+			}
+			$this->db->query('SET FOREIGN_KEY_CHECKS = 1');
+		}
+	}
+
+	public function down()
+	{
+		throw new \exceptions\ApiException("migration/downgrade-not-supported", "downgrade not supported");
+	}
+}