do not dump foreign keys for ignored tables.

3 files changed, 8 insertions, 1 deletions

diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md
index de510da1e5..545d2b768d 100644
--- a/activerecord/CHANGELOG.md
+++ b/activerecord/CHANGELOG.md
@@ -1,3 +1,5 @@
+*   Do not dump foreign keys for ignored tables. *Yves Senn*
+
 *   PostgreSQL adapter correctly dumps foreign keys targeting tables
     outside the schema search path.
 
diff --git a/activerecord/lib/active_record/schema_dumper.rb b/activerecord/lib/active_record/schema_dumper.rb
index 68d976c240..82c5ca291c 100644
--- a/activerecord/lib/active_record/schema_dumper.rb
+++ b/activerecord/lib/active_record/schema_dumper.rb
@@ -100,7 +100,7 @@ HEADER
         # dump foreign keys at the end to make sure all dependent tables exist.
         if @connection.supports_foreign_keys?
           sorted_tables.each do |tbl|
-            foreign_keys(tbl, stream)
+            foreign_keys(tbl, stream) unless ignored?(tbl)
           end
         end
       end
diff --git a/activerecord/test/cases/schema_dumper_test.rb b/activerecord/test/cases/schema_dumper_test.rb
index d7ee56374d..93fb502410 100644
--- a/activerecord/test/cases/schema_dumper_test.rb
+++ b/activerecord/test/cases/schema_dumper_test.rb
@@ -371,6 +371,11 @@ class SchemaDumperTest < ActiveRecord::TestCase
       output = standard_dump
       assert_match(/^\s+add_foreign_key "fk_test_has_fk"[^\n]+\n\s+add_foreign_key "lessons_students"/, output)
     end
+
+    def test_do_not_dump_foreign_keys_for_ignored_tables
+      output = dump_table_schema "authors"
+      assert_equal ["authors"], output.scan(/^\s*add_foreign_key "([^"]+)".+$/).flatten
+    end
   end
 
   class CreateDogMigration < ActiveRecord::Migration