Create separate table to store Merge request commits/diffs

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

db/migrate/20140122112253_create_merge_request_diffs.rb

+class CreateMergeRequestDiffs < ActiveRecord::Migration
+  def change
+    create_table :merge_request_diffs do |t|
+      t.string :state, null: false, default: 'valid'
+      t.text :st_commits, null: true, limit: 2147483647
+      t.text :st_diffs, null: true, limit: 2147483647
+      t.integer :merge_request_id, null: false
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20140122114406_migrate_mr_diffs.rb

+class MigrateMrDiffs < ActiveRecord::Migration
+  def self.up
+    execute "INSERT INTO merge_request_diffs ( merge_request_id ) SELECT id FROM merge_requests"
+    execute "UPDATE merge_requests mr, merge_request_diffs md SET md.st_commits = mr.st_commits WHERE md.merge_request_id = mr.id"
+    execute "UPDATE merge_requests mr, merge_request_diffs md SET md.st_diffs = mr.st_diffs WHERE md.merge_request_id = mr.id"
+  end
+
+  def self.down
+    MergeRequestDiff.delete_all
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20140116231608) do
+ActiveRecord::Schema.define(version: 20140122114406) do
 
   create_table "broadcast_messages", force: true do |t|
     t.text     "message",    null: false
@@ -66,8 +66,8 @@ ActiveRecord::Schema.define(version: 20140116231608) do
     t.integer  "assignee_id"
     t.integer  "author_id"
     t.integer  "project_id"
-    t.datetime "created_at",               null: false
-    t.datetime "updated_at",               null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
     t.integer  "position",     default: 0
     t.string   "branch_name"
     t.text     "description"
@@ -85,8 +85,8 @@ ActiveRecord::Schema.define(version: 20140116231608) do
 
   create_table "keys", force: true do |t|
     t.integer  "user_id"
-    t.datetime "created_at",  null: false
-    t.datetime "updated_at",  null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
     t.text     "key"
     t.string   "title"
     t.string   "type"
@@ -95,6 +95,15 @@ ActiveRecord::Schema.define(version: 20140116231608) do
 
   add_index "keys", ["user_id"], name: "index_keys_on_user_id", using: :btree
 
+  create_table "merge_request_diffs", force: true do |t|
+    t.string   "state",                               default: "valid", null: false
+    t.text     "st_commits",       limit: 2147483647
+    t.text     "st_diffs",         limit: 2147483647
+    t.integer  "merge_request_id",                                      null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
+  end
+
   create_table "merge_requests", force: true do |t|
     t.string   "target_branch",                        null: false
     t.string   "source_branch",                        null: false
@@ -102,8 +111,8 @@ ActiveRecord::Schema.define(version: 20140116231608) do
     t.integer  "author_id"
     t.integer  "assignee_id"
     t.string   "title"
-    t.datetime "created_at",                           null: false
-    t.datetime "updated_at",                           null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
     t.text     "st_commits",        limit: 2147483647
     t.text     "st_diffs",          limit: 2147483647
     t.integer  "milestone_id"
@@ -156,8 +165,8 @@ ActiveRecord::Schema.define(version: 20140116231608) do
     t.text     "note"
     t.string   "noteable_type"
     t.integer  "author_id"
-    t.datetime "created_at",                    null: false
-    t.datetime "updated_at",                    null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
     t.integer  "project_id"
     t.string   "attachment"
     t.string   "line_code"
@@ -179,8 +188,8 @@ ActiveRecord::Schema.define(version: 20140116231608) do
     t.string   "name"
     t.string   "path"
     t.text     "description"
-    t.datetime "created_at",                                null: false
-    t.datetime "updated_at",                                null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
     t.integer  "creator_id"
     t.boolean  "issues_enabled",         default: true,     null: false
     t.boolean  "wall_enabled",           default: true,     null: false
@@ -231,8 +240,8 @@ ActiveRecord::Schema.define(version: 20140116231608) do
     t.text     "content",    limit: 2147483647
     t.integer  "author_id",                                    null: false
     t.integer  "project_id"
-    t.datetime "created_at",                                   null: false
-    t.datetime "updated_at",                                   null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
     t.string   "file_name"
     t.datetime "expires_at"
     t.boolean  "private",                       default: true, null: false
@@ -254,16 +263,13 @@ ActiveRecord::Schema.define(version: 20140116231608) do
     t.datetime "created_at"
   end
 
-  add_index "taggings", ["tag_id"], name: "index_taggings_on_tag_id", using: :btree
-  add_index "taggings", ["taggable_id", "taggable_type", "context"], name: "index_taggings_on_taggable_id_and_taggable_type_and_context", using: :btree
-
   create_table "tags", force: true do |t|
     t.string "name"
   end
 
   create_table "users", force: true do |t|
     t.string   "email",                              default: "",    null: false
-    t.string   "encrypted_password",     default: "",    null: false
+    t.string   "encrypted_password",     limit: 128, default: "",    null: false
     t.string   "reset_password_token"
     t.datetime "reset_password_sent_at"
     t.datetime "remember_created_at"
@@ -272,8 +278,8 @@ ActiveRecord::Schema.define(version: 20140116231608) do
     t.datetime "last_sign_in_at"
     t.string   "current_sign_in_ip"
     t.string   "last_sign_in_ip"
-    t.datetime "created_at",                             null: false
-    t.datetime "updated_at",                             null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
     t.string   "name"
     t.boolean  "admin",                              default: false, null: false
     t.integer  "projects_limit",                     default: 10
@@ -308,7 +314,6 @@ ActiveRecord::Schema.define(version: 20140116231608) do
   add_index "users", ["authentication_token"], name: "index_users_on_authentication_token", unique: true, using: :btree
   add_index "users", ["confirmation_token"], name: "index_users_on_confirmation_token", unique: true, using: :btree
   add_index "users", ["email"], name: "index_users_on_email", unique: true, using: :btree
-  add_index "users", ["extern_uid", "provider"], name: "index_users_on_extern_uid_and_provider", unique: true, using: :btree
   add_index "users", ["name"], name: "index_users_on_name", using: :btree
   add_index "users", ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true, using: :btree
   add_index "users", ["username"], name: "index_users_on_username", using: :btree
@@ -327,8 +332,8 @@ ActiveRecord::Schema.define(version: 20140116231608) do
   create_table "users_projects", force: true do |t|
     t.integer  "user_id",                        null: false
     t.integer  "project_id",                     null: false
-    t.datetime "created_at",                     null: false
-    t.datetime "updated_at",                     null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
     t.integer  "project_access",     default: 0, null: false
     t.integer  "notification_level", default: 3, null: false
   end
@@ -340,8 +345,8 @@ ActiveRecord::Schema.define(version: 20140116231608) do
   create_table "web_hooks", force: true do |t|
     t.string   "url"
     t.integer  "project_id"
-    t.datetime "created_at",                                    null: false
-    t.datetime "updated_at",                                    null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
     t.string   "type",                  default: "ProjectHook"
     t.integer  "service_id"
     t.boolean  "push_events",           default: true,          null: false