skip migration check if adapter doesn't support it

1 files changed, 8 insertions, 5 deletions

diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb
index b6b02322d7..d0bc4c0af9 100644
--- a/activerecord/lib/active_record/migration.rb
+++ b/activerecord/lib/active_record/migration.rb
@@ -366,16 +366,19 @@ module ActiveRecord
     # This class is used to verify that all migrations have been run before
     # loading a web page if config.active_record.migration_error is set to :page_load
     class CheckPending
-      def initialize(app)
+      def initialize(app, connection = Base.connection)
         @app = app
+        @connection = connection
         @last_check = 0
       end
 
       def call(env)
-        mtime = ActiveRecord::Migrator.last_migration.mtime.to_i
-        if @last_check < mtime
-          ActiveRecord::Migration.check_pending!
-          @last_check = mtime
+        if @connection.supports_migrations?
+          mtime = ActiveRecord::Migrator.last_migration.mtime.to_i
+          if @last_check < mtime
+            ActiveRecord::Migration.check_pending!(@connection)
+            @last_check = mtime
+          end
         end
         @app.call(env)
       end