mysql: Enable full UTF8 support

Signed-off-by: Florian Pritz <bluewind@xinu.at>

1 files changed, 27 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..20a8ce7f7
--- /dev/null
+++ b/application/migrations/021_change_charset.php
@@ -0,0 +1,27 @@
+<?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 (['actions', 'apikeys', 'files', 'file_storage', 'multipaste', 'multipaste_file_map', 'profiles', 'users'] as $table) {
+				$this->db->query('
+					ALTER TABLE `'.$prefix.$table.'` CONVERT TO 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");
+	}
+}