Allow 4byte unicode filenames on supported platforms

Signed-off-by: Robin Appelman <robin@icewind.nl>

1 files changed, 11 insertions, 0 deletions

diff --git a/lib/private/DB/Connection.php b/lib/private/DB/Connection.php
index 4fa25aae08d..dfe2e86b617 100644
--- a/lib/private/DB/Connection.php
+++ b/lib/private/DB/Connection.php
@@ -33,6 +33,7 @@ use Doctrine\DBAL\Driver;
 use Doctrine\DBAL\Configuration;
 use Doctrine\DBAL\Cache\QueryCacheProfile;
 use Doctrine\Common\EventManager;
+use Doctrine\DBAL\Platforms\MySqlPlatform;
 use OC\DB\QueryBuilder\QueryBuilder;
 use OCP\DB\QueryBuilder\IQueryBuilder;
 use OCP\IDBConnection;
@@ -402,4 +403,14 @@ class Connection extends \Doctrine\DBAL\Connection implements IDBConnection {
 	public function escapeLikeParameter($param) {
 		return addcslashes($param, '\\_%');
 	}
+
+	/**
+	 * Check whether or not the current database support 4byte wide unicode
+	 *
+	 * @return bool
+	 * @since 9.2.0
+	 */
+	public function supports4ByteText() {
+		return ! ($this->getDatabasePlatform() instanceof MySqlPlatform && $this->getParams()['charset'] !== 'utf8mb4');
+	}
 }