Update packages db schema after db review

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

db/schema.rb

@@ -1921,36 +1921,36 @@ ActiveRecord::Schema.define(version: 20180810155213) do
     t.string "nonce", null: false
   end
 
-  create_table "packages_maven_metadata", force: :cascade do |t|
+  create_table "packages_maven_metadata", id: :bigserial, force: :cascade do |t|
     t.datetime_with_timezone "created_at", null: false
     t.datetime_with_timezone "updated_at", null: false
     t.integer "package_id", null: false
-    t.string "path", null: false
     t.string "app_group", null: false
     t.string "app_name", null: false
     t.string "app_version"
+    t.text "path", null: false
   end
 
   add_index "packages_maven_metadata", ["package_id"], name: "index_packages_maven_metadata_on_package_id", using: :btree
   add_index "packages_maven_metadata", ["path"], name: "index_packages_maven_metadata_on_path", using: :btree
 
-  create_table "packages_package_files", force: :cascade do |t|
+  create_table "packages_package_files", id: :bigserial, force: :cascade do |t|
     t.datetime_with_timezone "created_at", null: false
     t.datetime_with_timezone "updated_at", null: false
+    t.integer "size", limit: 8
     t.integer "package_id", null: false
     t.integer "file_type"
     t.integer "file_store"
-    t.integer "size"
     t.binary "file_md5"
     t.binary "file_sha1"
-    t.string "file"
     t.string "file_name", null: false
+    t.text "file", null: false
   end
 
   add_index "packages_package_files", ["package_id", "file_name"], name: "index_packages_package_files_on_package_id_and_file_name", using: :btree
   add_index "packages_package_files", ["package_id"], name: "index_packages_package_files_on_package_id", using: :btree
 
-  create_table "packages_packages", force: :cascade do |t|
+  create_table "packages_packages", id: :bigserial, force: :cascade do |t|
     t.datetime_with_timezone "created_at", null: false
     t.datetime_with_timezone "updated_at", null: false
     t.integer "project_id", null: false

ee/db/migrate/20180720120716_create_packages_packages.rb

@@ -7,7 +7,7 @@ class CreatePackagesPackages < ActiveRecord::Migration
   disable_ddl_transaction!
 
   def change
-    create_table :packages_packages do |t|
+    create_table :packages_packages, id: :bigserial do |t|
       t.timestamps_with_timezone null: false
       t.references :project, index: true, foreign_key: { on_delete: :cascade }, null: false
 

ee/db/migrate/20180720120726_create_packages_package_files.rb

@@ -7,19 +7,19 @@ class CreatePackagesPackageFiles < ActiveRecord::Migration
   disable_ddl_transaction!
 
   def up
-    create_table :packages_package_files do |t|
+    create_table :packages_package_files, id: :bigserial do |t|
       t.timestamps_with_timezone null: false
-      t.references :package, index: true, null: false
 
+      t.bigint :size
+
+      t.references :package, index: true, null: false
       t.integer :file_type
       t.integer :file_store
-      t.integer :size
-
       t.binary :file_md5
       t.binary :file_sha1
 
-      t.string :file
       t.string :file_name, null: false
+      t.text :file, null: false
     end
 
     add_concurrent_foreign_key :packages_package_files, :packages_packages,

ee/db/migrate/20180720121404_create_packages_maven_metadata.rb

@@ -7,14 +7,15 @@ class CreatePackagesMavenMetadata < ActiveRecord::Migration
   disable_ddl_transaction!
 
   def up
-    create_table :packages_maven_metadata do |t|
+    create_table :packages_maven_metadata, id: :bigserial do |t|
       t.timestamps_with_timezone null: false
       t.references :package, index: true, null: false
 
-      t.string :path, null: false
       t.string :app_group, null: false
       t.string :app_name, null: false
       t.string :app_version
+
+      t.text :path, null: false
     end
 
     add_concurrent_foreign_key :packages_maven_metadata, :packages_packages,