[1.5.x] Fixed #5805 -- it is now possible to specify multi-column indexes. Thanks to jgelens for the original patch. Backport of 4285571c5a.

tests/regressiontests/indexes/tests.py

@@ -0,0 +1,12 @@
+from django.core.management.color import no_style
+from django.db import connections, DEFAULT_DB_ALIAS
+from django.test import TestCase
+
+from .models import Article
+
+
+class IndexesTests(TestCase):
+    def test_index_together(self):
+        connection = connections[DEFAULT_DB_ALIAS]
+        index_sql = connection.creation.sql_indexes_for_model(Article, no_style())
+        self.assertEqual(len(index_sql), 1)