From ad25fe73506d80ffcaac135ad0a8d09552b70d70 Mon Sep 17 00:00:00 2001
From: Tim Graham <timograham@gmail.com>
Date: Thu, 18 Aug 2016 18:17:01 -0400
Subject: [PATCH] Fixed #27089 -- Added database alias to
 InconsistentMigrationHistory message.

---
 django/db/migrations/loader.py  | 4 +++-
 docs/releases/1.10.1.txt        | 3 +++
 tests/migrations/test_loader.py | 5 ++++-
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/django/db/migrations/loader.py b/django/db/migrations/loader.py
index e5a7f031f9..262378d1dc 100644
--- a/django/db/migrations/loader.py
+++ b/django/db/migrations/loader.py
@@ -292,8 +292,10 @@ class MigrationLoader(object):
                         if all(m in applied for m in self.replacements[parent].replaces):
                             continue
                     raise InconsistentMigrationHistory(
-                        "Migration {}.{} is applied before its dependency {}.{}".format(
+                        "Migration {}.{} is applied before its dependency "
+                        "{}.{} on database '{}'.".format(
                             migration[0], migration[1], parent[0], parent[1],
+                            connection.alias,
                         )
                     )
 
diff --git a/docs/releases/1.10.1.txt b/docs/releases/1.10.1.txt
index 88edfa80cf..3e73483e37 100644
--- a/docs/releases/1.10.1.txt
+++ b/docs/releases/1.10.1.txt
@@ -65,3 +65,6 @@ Bugfixes
 * Reverted a few admin checks that checked ``field.many_to_many`` back to
   ``isinstance(field, models.ManyToManyField)`` since it turned out the checks
   weren't suitable to be generalized like that (:ticket:`26998`).
+
+* Added the database alias to the ``InconsistentMigrationHistory`` message
+  raised by ``makemigrations`` and ``migrate`` (:ticket:`27089`).
diff --git a/tests/migrations/test_loader.py b/tests/migrations/test_loader.py
index b46f35f7ed..b8c2cd8142 100644
--- a/tests/migrations/test_loader.py
+++ b/tests/migrations/test_loader.py
@@ -378,7 +378,10 @@ class LoaderTests(TestCase):
         loader.check_consistent_history(connection)
         recorder = MigrationRecorder(connection)
         recorder.record_applied('migrations', '0002_second')
-        msg = "Migration migrations.0002_second is applied before its dependency migrations.0001_initial"
+        msg = (
+            "Migration migrations.0002_second is applied before its dependency "
+            "migrations.0001_initial on database 'default'."
+        )
         with self.assertRaisesMessage(InconsistentMigrationHistory, msg):
             loader.check_consistent_history(connection)