orm order expression fix

application/Espo/ORM/QueryComposer/BaseQueryComposer.php

@@ -2048,7 +2048,7 @@ abstract class BaseQueryComposer implements QueryComposer
 
     protected function getAttributePathForOrderBy(Entity $entity, string $orderBy, array $params): ?string
     {
-        if (strpos($orderBy, '.') !== false || strpos($orderBy, ':') !== false) {
+        if (Util::isComplexExpression($orderBy)) {
             return $this->convertComplexExpression(
                 $entity,
                 $orderBy,

tests/unit/Espo/ORM/MysqlQueryComposerTest.php

@@ -36,6 +36,7 @@ use Espo\ORM\{
     QueryBuilder,
     EntityManager,
     MetadataDataProvider,
+    Query\Part\Expression,
 };
 
 use Espo\ORM\Query\{
@@ -1097,6 +1098,26 @@ class MysqlQueryComposerTest extends \PHPUnit\Framework\TestCase
         $this->assertEquals($expectedSql, $sql);
     }
 
+    public function testOrderByExpression3()
+    {
+        $select = $this->queryBuilder
+            ->select()
+            ->from('Article')
+            ->distinct()
+            ->select(['id'])
+            ->order(Expression::create('1'), 'DESC')
+            ->build();
+
+        $expectedSql =
+            "SELECT DISTINCT article.id AS `id` " .
+            "FROM `article` WHERE article.deleted = 0 ".
+            "ORDER BY 1 DESC";
+
+        $sql = $this->query->compose($select);
+
+        $this->assertEquals($expectedSql, $sql);
+    }
+
     public function testOrderBy2()
     {
         $select = $this->queryBuilder