[api] fix unique index of product_media and update pool repos

allow multiple definitions using arch filter of same repo

Conflicts:
	src/api/db/structure.sql

src/api/db/migrate/20141110105426_fix_product_media_uniq_index.rb

@@ -0,0 +1,17 @@
+class FixProductMediaUniqIndex < ActiveRecord::Migration
+  def self.up
+    remove_index :product_media, unique: true, :name => "index_unique"
+    remove_index :product_update_repositories, unique: true, :name => "index_unique"
+
+    add_index :product_media, [:product_id, :repository_id, :name, :arch_filter_id], unique: true, :name => "index_unique"
+    add_index :product_update_repositories, [:product_id, :repository_id, :arch_filter_id], unique: true, :name => "index_unique"
+  end
+
+  def self.down
+    remove_index :product_media, unique: true, :name => "index_unique"
+    remove_index :product_update_repositories, unique: true, :name => "index_unique"
+
+    add_index :product_media, [:product_id, :repository_id, :name], unique: true, :name => "index_unique"
+    add_index :product_update_repositories, [:product_id, :repository_id], unique: true, :name => "index_unique"
+  end
+end

src/api/db/structure.sql

@@ -741,7 +741,7 @@ CREATE TABLE `product_media` (
   `name` varchar(255) COLLATE utf8_unicode_ci DEFAULT NULL,
   `arch_filter_id` int(11) DEFAULT NULL,
   PRIMARY KEY (`id`),
-  UNIQUE KEY `index_unique` (`product_id`,`repository_id`,`name`),
+  UNIQUE KEY `index_unique` (`product_id`,`repository_id`,`name`,`arch_filter_id`),
   KEY `product_id` (`product_id`),
   KEY `repository_id` (`repository_id`),
   KEY `index_product_media_on_name` (`name`),
@@ -757,7 +757,7 @@ CREATE TABLE `product_update_repositories` (
   `repository_id` int(11) DEFAULT NULL,
   `arch_filter_id` int(11) DEFAULT NULL,
   PRIMARY KEY (`id`),
-  UNIQUE KEY `index_unique` (`product_id`,`repository_id`),
+  UNIQUE KEY `index_unique` (`product_id`,`repository_id`,`arch_filter_id`),
   KEY `product_id` (`product_id`),
   KEY `repository_id` (`repository_id`),
   KEY `index_product_update_repositories_on_arch_filter_id` (`arch_filter_id`),
@@ -1609,6 +1609,8 @@ INSERT INTO schema_migrations (version) VALUES ('20141022105426');
 
 INSERT INTO schema_migrations (version) VALUES ('20141022205426');
 
+INSERT INTO schema_migrations (version) VALUES ('20141110105426');
+
 INSERT INTO schema_migrations (version) VALUES ('21');
 
 INSERT INTO schema_migrations (version) VALUES ('22');