Merge branch 'master' into dz-merge-request-version

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

13 files changed, 240 insertions, 93 deletions

diff --git a/db/fixtures/development/14_builds.rb b/db/fixtures/development/14_builds.rb
index 124704cb451..e65abe4ef77 100644
--- a/db/fixtures/development/14_builds.rb
+++ b/db/fixtures/development/14_builds.rb
@@ -1,6 +1,6 @@
 class Gitlab::Seeder::Builds
   STAGES = %w[build notify_build test notify_test deploy notify_deploy]
-  
+
   def initialize(project)
     @project = project
   end
@@ -8,26 +8,26 @@ class Gitlab::Seeder::Builds
   def seed!
     pipelines.each do |pipeline|
       begin
-        build_create!(pipeline, name: 'build:linux', stage: 'build')
-        build_create!(pipeline, name: 'build:osx', stage: 'build')
+        build_create!(pipeline, name: 'build:linux', stage: 'build', status_event: :success)
+        build_create!(pipeline, name: 'build:osx', stage: 'build', status_event: :success)
 
-        build_create!(pipeline, name: 'slack post build', stage: 'notify_build')
+        build_create!(pipeline, name: 'slack post build', stage: 'notify_build', status_event: :success)
 
-        build_create!(pipeline, name: 'rspec:linux', stage: 'test')
-        build_create!(pipeline, name: 'rspec:windows', stage: 'test')
-        build_create!(pipeline, name: 'rspec:windows', stage: 'test')
-        build_create!(pipeline, name: 'rspec:osx', stage: 'test')
-        build_create!(pipeline, name: 'spinach:linux', stage: 'test')
-        build_create!(pipeline, name: 'spinach:osx', stage: 'test')
-        build_create!(pipeline, name: 'cucumber:linux', stage: 'test')
-        build_create!(pipeline, name: 'cucumber:osx', stage: 'test')
+        build_create!(pipeline, name: 'rspec:linux', stage: 'test', status_event: :success)
+        build_create!(pipeline, name: 'rspec:windows', stage: 'test', status_event: :success)
+        build_create!(pipeline, name: 'rspec:windows', stage: 'test', status_event: :success)
+        build_create!(pipeline, name: 'rspec:osx', stage: 'test', status_event: :success)
+        build_create!(pipeline, name: 'spinach:linux', stage: 'test', status: :pending)
+        build_create!(pipeline, name: 'spinach:osx', stage: 'test', status_event: :cancel)
+        build_create!(pipeline, name: 'cucumber:linux', stage: 'test', status_event: :run)
+        build_create!(pipeline, name: 'cucumber:osx', stage: 'test', status_event: :drop)
 
-        build_create!(pipeline, name: 'slack post test', stage: 'notify_test')
+        build_create!(pipeline, name: 'slack post test', stage: 'notify_test', status_event: :success)
 
-        build_create!(pipeline, name: 'staging', stage: 'deploy', environment: 'staging')
-        build_create!(pipeline, name: 'production', stage: 'deploy', environment: 'production', when: 'manual')
+        build_create!(pipeline, name: 'staging', stage: 'deploy', environment: 'staging', status_event: :success)
+        build_create!(pipeline, name: 'production', stage: 'deploy', environment: 'production', when: 'manual', status: :success)
 
-        commit_status_create!(pipeline, name: 'jenkins')
+        commit_status_create!(pipeline, name: 'jenkins', status: :success)
 
         print '.'
       rescue ActiveRecord::RecordInvalid
@@ -48,7 +48,7 @@ class Gitlab::Seeder::Builds
 
   def build_create!(pipeline, opts = {})
     attributes = build_attributes_for(pipeline, opts)
-    build = Ci::Build.new(attributes)
+    build = Ci::Build.create!(attributes)
 
     if opts[:name].start_with?('build')
       artifacts_cache_file(artifacts_archive_path) do |file|
@@ -60,23 +60,20 @@ class Gitlab::Seeder::Builds
       end
     end
 
-    build.save!
-    build.update(status: build_status)
-
     if %w(running success failed).include?(build.status)
       # We need to set build trace after saving a build (id required)
       build.trace = FFaker::Lorem.paragraphs(6).join("\n\n")
     end
   end
-  
+
   def commit_status_create!(pipeline, opts = {})
     attributes = commit_status_attributes_for(pipeline, opts)
-    GenericCommitStatus.create(attributes)
+    GenericCommitStatus.create!(attributes)
   end
-  
+
   def commit_status_attributes_for(pipeline, opts)
     { name: 'test build', stage: 'test', stage_idx: stage_index(opts[:stage]),
-      ref: 'master', user: build_user, project: @project, pipeline: pipeline,
+      ref: 'master', tag: false, user: build_user, project: @project, pipeline: pipeline,
       created_at: Time.now, updated_at: Time.now
     }.merge(opts)
   end
diff --git a/db/migrate/20140407135544_fix_namespaces.rb b/db/migrate/20140407135544_fix_namespaces.rb
index 91374966698..0026ce645a6 100644
--- a/db/migrate/20140407135544_fix_namespaces.rb
+++ b/db/migrate/20140407135544_fix_namespaces.rb
@@ -1,8 +1,14 @@
 # rubocop:disable all
 class FixNamespaces < ActiveRecord::Migration
+  DOWNTIME = false
+
   def up
-    Namespace.where('name <> path and type is null').each do |namespace|
-      namespace.update_attribute(:name, namespace.path)
+    namespaces = exec_query('SELECT id, path FROM namespaces WHERE name <> path and type is null')
+
+    namespaces.each do |row|
+      id = row['id']
+      path = row['path']
+      exec_query("UPDATE namespaces SET name = '#{path}' WHERE id = #{id}")
     end
   end
 
diff --git a/db/migrate/20160705055254_move_from_developers_can_merge_to_protected_branches_merge_access.rb b/db/migrate/20160705055254_move_from_developers_can_merge_to_protected_branches_merge_access.rb
index fa93936ced7..1db0df92bec 100644
--- a/db/migrate/20160705055254_move_from_developers_can_merge_to_protected_branches_merge_access.rb
+++ b/db/migrate/20160705055254_move_from_developers_can_merge_to_protected_branches_merge_access.rb
@@ -14,7 +14,7 @@ class MoveFromDevelopersCanMergeToProtectedBranchesMergeAccess < ActiveRecord::M
   def up
     execute <<-HEREDOC
       INSERT into protected_branch_merge_access_levels (protected_branch_id, access_level, created_at, updated_at)
-        SELECT id, (CASE WHEN developers_can_merge THEN 1 ELSE 0 END), now(), now()
+        SELECT id, (CASE WHEN developers_can_merge THEN 30 ELSE 40 END), now(), now()
           FROM protected_branches
     HEREDOC
   end
@@ -23,7 +23,7 @@ class MoveFromDevelopersCanMergeToProtectedBranchesMergeAccess < ActiveRecord::M
     execute <<-HEREDOC
       UPDATE protected_branches SET developers_can_merge = TRUE
         WHERE id IN (SELECT protected_branch_id FROM protected_branch_merge_access_levels
-                       WHERE access_level = 1);
+                       WHERE access_level = 30);
     HEREDOC
   end
 end
diff --git a/db/migrate/20160705055308_move_from_developers_can_push_to_protected_branches_push_access.rb b/db/migrate/20160705055308_move_from_developers_can_push_to_protected_branches_push_access.rb
index 56f6159d1d8..5c3e189bb5b 100644
--- a/db/migrate/20160705055308_move_from_developers_can_push_to_protected_branches_push_access.rb
+++ b/db/migrate/20160705055308_move_from_developers_can_push_to_protected_branches_push_access.rb
@@ -14,7 +14,7 @@ class MoveFromDevelopersCanPushToProtectedBranchesPushAccess < ActiveRecord::Mig
   def up
     execute <<-HEREDOC
       INSERT into protected_branch_push_access_levels (protected_branch_id, access_level, created_at, updated_at)
-        SELECT id, (CASE WHEN developers_can_push THEN 1 ELSE 0 END), now(), now()
+        SELECT id, (CASE WHEN developers_can_push THEN 30 ELSE 40 END), now(), now()
           FROM protected_branches
     HEREDOC
   end
@@ -23,7 +23,7 @@ class MoveFromDevelopersCanPushToProtectedBranchesPushAccess < ActiveRecord::Mig
     execute <<-HEREDOC
       UPDATE protected_branches SET developers_can_push = TRUE
         WHERE id IN (SELECT protected_branch_id FROM protected_branch_push_access_levels
-                       WHERE access_level = 1);
+                       WHERE access_level = 30);
     HEREDOC
   end
 end
diff --git a/db/migrate/20160705055809_remove_developers_can_push_from_protected_branches.rb b/db/migrate/20160705055809_remove_developers_can_push_from_protected_branches.rb
index f563f660ddf..52a9819c628 100644
--- a/db/migrate/20160705055809_remove_developers_can_push_from_protected_branches.rb
+++ b/db/migrate/20160705055809_remove_developers_can_push_from_protected_branches.rb
@@ -14,6 +14,6 @@ class RemoveDevelopersCanPushFromProtectedBranches < ActiveRecord::Migration
   end
 
   def down
-    add_column_with_default(:protected_branches, :developers_can_push, :boolean, default: false, null: false)
+    add_column_with_default(:protected_branches, :developers_can_push, :boolean, default: false, allow_null: false)
   end
 end
diff --git a/db/migrate/20160705055813_remove_developers_can_merge_from_protected_branches.rb b/db/migrate/20160705055813_remove_developers_can_merge_from_protected_branches.rb
index aa71e06d36e..4a7bde7f9f3 100644
--- a/db/migrate/20160705055813_remove_developers_can_merge_from_protected_branches.rb
+++ b/db/migrate/20160705055813_remove_developers_can_merge_from_protected_branches.rb
@@ -14,6 +14,6 @@ class RemoveDevelopersCanMergeFromProtectedBranches < ActiveRecord::Migration
   end
 
   def down
-    add_column_with_default(:protected_branches, :developers_can_merge, :boolean, default: false, null: false)
+    add_column_with_default(:protected_branches, :developers_can_merge, :boolean, default: false, allow_null: false)
   end
 end
diff --git a/db/migrate/20160716115711_add_queued_at_to_ci_builds.rb b/db/migrate/20160716115711_add_queued_at_to_ci_builds.rb
new file mode 100644
index 00000000000..756910a1fa0
--- /dev/null
+++ b/db/migrate/20160716115711_add_queued_at_to_ci_builds.rb
@@ -0,0 +1,9 @@
+class AddQueuedAtToCiBuilds < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def change
+    add_column :ci_builds, :queued_at, :timestamp
+  end
+end
diff --git a/db/migrate/20160802010328_remove_builds_enable_index_on_projects.rb b/db/migrate/20160802010328_remove_builds_enable_index_on_projects.rb
new file mode 100644
index 00000000000..5fd51cb65f1
--- /dev/null
+++ b/db/migrate/20160802010328_remove_builds_enable_index_on_projects.rb
@@ -0,0 +1,9 @@
+class RemoveBuildsEnableIndexOnProjects < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def change
+    remove_index :projects, column: :builds_enabled if index_exists?(:projects, :builds_enabled)
+  end
+end
diff --git a/db/migrate/20160804150737_add_timestamps_to_members_again.rb b/db/migrate/20160804150737_add_timestamps_to_members_again.rb
new file mode 100644
index 00000000000..6691ba57fbb
--- /dev/null
+++ b/db/migrate/20160804150737_add_timestamps_to_members_again.rb
@@ -0,0 +1,21 @@
+# rubocop:disable all
+# 20141121133009_add_timestamps_to_members.rb was meant to ensure that all
+# rows in the members table had created_at and updated_at set, following an
+# error in a previous migration. This failed to set all rows in at least one
+# case: https://gitlab.com/gitlab-org/gitlab-ce/issues/20568
+#
+# Why this happened is lost in the mists of time, so repeat the SQL query
+# without speculation, just in case more than one person was affected.
+class AddTimestampsToMembersAgain < ActiveRecord::Migration
+  DOWNTIME = false
+
+  def up
+    execute "UPDATE members SET created_at = NOW() WHERE created_at IS NULL"
+    execute "UPDATE members SET updated_at = NOW() WHERE updated_at IS NULL"
+  end
+
+  def down
+    # no change
+  end
+
+end
diff --git a/db/migrate/20160805041956_add_deleted_at_to_namespaces.rb b/db/migrate/20160805041956_add_deleted_at_to_namespaces.rb
new file mode 100644
index 00000000000..a853de3abfb
--- /dev/null
+++ b/db/migrate/20160805041956_add_deleted_at_to_namespaces.rb
@@ -0,0 +1,12 @@
+class AddDeletedAtToNamespaces < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def change
+    add_column :namespaces, :deleted_at, :datetime
+    add_concurrent_index :namespaces, :deleted_at
+  end
+end
diff --git a/db/migrate/20160810102349_remove_ci_runner_trigram_indexes.rb b/db/migrate/20160810102349_remove_ci_runner_trigram_indexes.rb
new file mode 100644
index 00000000000..0cfb637804b
--- /dev/null
+++ b/db/migrate/20160810102349_remove_ci_runner_trigram_indexes.rb
@@ -0,0 +1,27 @@
+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class RemoveCiRunnerTrigramIndexes < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  # Disabled for the "down" method so the indexes can be re-created concurrently.
+  disable_ddl_transaction!
+
+  def up
+    return unless Gitlab::Database.postgresql?
+
+    transaction do
+      execute 'DROP INDEX IF EXISTS index_ci_runners_on_token_trigram;'
+      execute 'DROP INDEX IF EXISTS index_ci_runners_on_description_trigram;'
+    end
+  end
+
+  def down
+    return unless Gitlab::Database.postgresql?
+
+    execute 'CREATE INDEX CONCURRENTLY index_ci_runners_on_token_trigram ON ci_runners USING gin(token gin_trgm_ops);'
+    execute 'CREATE INDEX CONCURRENTLY index_ci_runners_on_description_trigram ON ci_runners USING gin(description gin_trgm_ops);'
+  end
+end
diff --git a/db/migrate/20160810142633_remove_redundant_indexes.rb b/db/migrate/20160810142633_remove_redundant_indexes.rb
new file mode 100644
index 00000000000..8641c6ffa8f
--- /dev/null
+++ b/db/migrate/20160810142633_remove_redundant_indexes.rb
@@ -0,0 +1,112 @@
+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class RemoveRedundantIndexes < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    indexes = [
+      [:ci_taggings, 'ci_taggings_idx'],
+      [:audit_events, 'index_audit_events_on_author_id'],
+      [:audit_events, 'index_audit_events_on_type'],
+      [:ci_builds, 'index_ci_builds_on_erased_by_id'],
+      [:ci_builds, 'index_ci_builds_on_project_id_and_commit_id'],
+      [:ci_builds, 'index_ci_builds_on_type'],
+      [:ci_commits, 'index_ci_commits_on_project_id'],
+      [:ci_commits, 'index_ci_commits_on_project_id_and_committed_at'],
+      [:ci_commits, 'index_ci_commits_on_project_id_and_committed_at_and_id'],
+      [:ci_commits, 'index_ci_commits_on_project_id_and_sha'],
+      [:ci_commits, 'index_ci_commits_on_sha'],
+      [:ci_events, 'index_ci_events_on_created_at'],
+      [:ci_events, 'index_ci_events_on_is_admin'],
+      [:ci_events, 'index_ci_events_on_project_id'],
+      [:ci_jobs, 'index_ci_jobs_on_deleted_at'],
+      [:ci_jobs, 'index_ci_jobs_on_project_id'],
+      [:ci_projects, 'index_ci_projects_on_gitlab_id'],
+      [:ci_projects, 'index_ci_projects_on_shared_runners_enabled'],
+      [:ci_services, 'index_ci_services_on_project_id'],
+      [:ci_sessions, 'index_ci_sessions_on_session_id'],
+      [:ci_sessions, 'index_ci_sessions_on_updated_at'],
+      [:ci_tags, 'index_ci_tags_on_name'],
+      [:ci_triggers, 'index_ci_triggers_on_deleted_at'],
+      [:identities, 'index_identities_on_created_at_and_id'],
+      [:issues, 'index_issues_on_title'],
+      [:keys, 'index_keys_on_created_at_and_id'],
+      [:members, 'index_members_on_created_at_and_id'],
+      [:members, 'index_members_on_type'],
+      [:milestones, 'index_milestones_on_created_at_and_id'],
+      [:namespaces, 'index_namespaces_on_visibility_level'],
+      [:projects, 'index_projects_on_builds_enabled_and_shared_runners_enabled'],
+      [:services, 'index_services_on_category'],
+      [:services, 'index_services_on_created_at_and_id'],
+      [:services, 'index_services_on_default'],
+      [:snippets, 'index_snippets_on_created_at'],
+      [:snippets, 'index_snippets_on_created_at_and_id'],
+      [:todos, 'index_todos_on_state'],
+      [:web_hooks, 'index_web_hooks_on_created_at_and_id'],
+
+      # These indexes _may_ be used but they can be replaced by other existing
+      # indexes.
+
+      # There's already a composite index on (project_id, iid) which means that
+      # a separate index for _just_ project_id is not needed.
+      [:issues, 'index_issues_on_project_id'],
+
+      # These are all composite indexes for the columns (created_at, id). In all
+      # these cases there's already a standalone index for "created_at" which
+      # can be used instead.
+      #
+      # Because the "id" column of these composite indexes is never needed (due
+      # to "id" already being indexed as its a primary key) these composite
+      # indexes are useless.
+      [:issues, 'index_issues_on_created_at_and_id'],
+      [:merge_requests, 'index_merge_requests_on_created_at_and_id'],
+      [:namespaces, 'index_namespaces_on_created_at_and_id'],
+      [:notes, 'index_notes_on_created_at_and_id'],
+      [:projects, 'index_projects_on_created_at_and_id'],
+      [:users, 'index_users_on_created_at_and_id'],
+    ]
+
+    transaction do
+      indexes.each do |(table, index)|
+        remove_index(table, name: index) if index_exists_by_name?(table, index)
+      end
+    end
+
+    add_concurrent_index(:users, :created_at)
+    add_concurrent_index(:projects, :created_at)
+    add_concurrent_index(:namespaces, :created_at)
+  end
+
+  def down
+    # We're only restoring the composite indexes that could be replaced with
+    # individual ones, just in case somebody would ever want to revert.
+    transaction do
+      remove_index(:users, :created_at)
+      remove_index(:projects, :created_at)
+      remove_index(:namespaces, :created_at)
+    end
+
+    [:issues, :merge_requests, :namespaces, :notes, :projects, :users].each do |table|
+      add_concurrent_index(table, [:created_at, :id],
+                           name: "index_#{table}_on_created_at_and_id")
+    end
+  end
+
+  # Rails' index_exists? doesn't work when you only give it a table and index
+  # name. As such we have to use some extra code to check if an index exists for
+  # a given name.
+  def index_exists_by_name?(table, index)
+    indexes_for_table[table].include?(index)
+  end
+
+  def indexes_for_table
+    @indexes_for_table ||= Hash.new do |hash, table_name|
+      hash[table_name] = indexes(table_name).map(&:name)
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index e3eecfebfd4..0b61e19d998 100644
--- a/db/schema.rb
+++ b/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: 20160725104452) do
+ActiveRecord::Schema.define(version: 20160810142633) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -70,11 +70,11 @@ ActiveRecord::Schema.define(version: 20160725104452) do
     t.string   "recaptcha_site_key"
     t.string   "recaptcha_private_key"
     t.integer  "metrics_port",                          default: 8089
-    t.boolean  "akismet_enabled",                       default: false
-    t.string   "akismet_api_key"
     t.integer  "metrics_sample_interval",               default: 15
     t.boolean  "sentry_enabled",                        default: false
     t.string   "sentry_dsn"
+    t.boolean  "akismet_enabled",                       default: false
+    t.string   "akismet_api_key"
     t.boolean  "email_author_in_body",                  default: false
     t.integer  "default_group_visibility"
     t.boolean  "repository_checks_enabled",             default: false
@@ -102,9 +102,7 @@ ActiveRecord::Schema.define(version: 20160725104452) do
     t.datetime "updated_at"
   end
 
-  add_index "audit_events", ["author_id"], name: "index_audit_events_on_author_id", using: :btree
   add_index "audit_events", ["entity_id", "entity_type"], name: "index_audit_events_on_entity_id_and_entity_type", using: :btree
-  add_index "audit_events", ["type"], name: "index_audit_events_on_type", using: :btree
 
   create_table "award_emoji", force: :cascade do |t|
     t.string   "name"
@@ -172,6 +170,7 @@ ActiveRecord::Schema.define(version: 20160725104452) do
     t.integer  "artifacts_size"
     t.string   "when"
     t.text     "yaml_variables"
+    t.datetime "queued_at"
   end
 
   add_index "ci_builds", ["commit_id", "stage_idx", "created_at"], name: "index_ci_builds_on_commit_id_and_stage_idx_and_created_at", using: :btree
@@ -179,13 +178,10 @@ ActiveRecord::Schema.define(version: 20160725104452) do
   add_index "ci_builds", ["commit_id", "type", "name", "ref"], name: "index_ci_builds_on_commit_id_and_type_and_name_and_ref", using: :btree
   add_index "ci_builds", ["commit_id", "type", "ref"], name: "index_ci_builds_on_commit_id_and_type_and_ref", using: :btree
   add_index "ci_builds", ["commit_id"], name: "index_ci_builds_on_commit_id", using: :btree
-  add_index "ci_builds", ["erased_by_id"], name: "index_ci_builds_on_erased_by_id", using: :btree
   add_index "ci_builds", ["gl_project_id"], name: "index_ci_builds_on_gl_project_id", using: :btree
-  add_index "ci_builds", ["project_id", "commit_id"], name: "index_ci_builds_on_project_id_and_commit_id", using: :btree
   add_index "ci_builds", ["project_id"], name: "index_ci_builds_on_project_id", using: :btree
   add_index "ci_builds", ["runner_id"], name: "index_ci_builds_on_runner_id", using: :btree
   add_index "ci_builds", ["status"], name: "index_ci_builds_on_status", using: :btree
-  add_index "ci_builds", ["type"], name: "index_ci_builds_on_type", using: :btree
 
   create_table "ci_commits", force: :cascade do |t|
     t.integer  "project_id"
@@ -209,11 +205,6 @@ ActiveRecord::Schema.define(version: 20160725104452) do
   add_index "ci_commits", ["gl_project_id", "sha"], name: "index_ci_commits_on_gl_project_id_and_sha", using: :btree
   add_index "ci_commits", ["gl_project_id", "status"], name: "index_ci_commits_on_gl_project_id_and_status", using: :btree
   add_index "ci_commits", ["gl_project_id"], name: "index_ci_commits_on_gl_project_id", using: :btree
-  add_index "ci_commits", ["project_id", "committed_at", "id"], name: "index_ci_commits_on_project_id_and_committed_at_and_id", using: :btree
-  add_index "ci_commits", ["project_id", "committed_at"], name: "index_ci_commits_on_project_id_and_committed_at", using: :btree
-  add_index "ci_commits", ["project_id", "sha"], name: "index_ci_commits_on_project_id_and_sha", using: :btree
-  add_index "ci_commits", ["project_id"], name: "index_ci_commits_on_project_id", using: :btree
-  add_index "ci_commits", ["sha"], name: "index_ci_commits_on_sha", using: :btree
   add_index "ci_commits", ["status"], name: "index_ci_commits_on_status", using: :btree
   add_index "ci_commits", ["user_id"], name: "index_ci_commits_on_user_id", using: :btree
 
@@ -226,10 +217,6 @@ ActiveRecord::Schema.define(version: 20160725104452) do
     t.datetime "updated_at"
   end
 
-  add_index "ci_events", ["created_at"], name: "index_ci_events_on_created_at", using: :btree
-  add_index "ci_events", ["is_admin"], name: "index_ci_events_on_is_admin", using: :btree
-  add_index "ci_events", ["project_id"], name: "index_ci_events_on_project_id", using: :btree
-
   create_table "ci_jobs", force: :cascade do |t|
     t.integer  "project_id",                          null: false
     t.text     "commands"
@@ -244,9 +231,6 @@ ActiveRecord::Schema.define(version: 20160725104452) do
     t.datetime "deleted_at"
   end
 
-  add_index "ci_jobs", ["deleted_at"], name: "index_ci_jobs_on_deleted_at", using: :btree
-  add_index "ci_jobs", ["project_id"], name: "index_ci_jobs_on_project_id", using: :btree
-
   create_table "ci_projects", force: :cascade do |t|
     t.string   "name"
     t.integer  "timeout",                  default: 3600,  null: false
@@ -270,9 +254,6 @@ ActiveRecord::Schema.define(version: 20160725104452) do
     t.text     "generated_yaml_config"
   end
 
-  add_index "ci_projects", ["gitlab_id"], name: "index_ci_projects_on_gitlab_id", using: :btree
-  add_index "ci_projects", ["shared_runners_enabled"], name: "index_ci_projects_on_shared_runners_enabled", using: :btree
-
   create_table "ci_runner_projects", force: :cascade do |t|
     t.integer  "runner_id",     null: false
     t.integer  "project_id"
@@ -301,10 +282,8 @@ ActiveRecord::Schema.define(version: 20160725104452) do
     t.boolean  "locked",       default: false, null: false
   end
 
-  add_index "ci_runners", ["description"], name: "index_ci_runners_on_description_trigram", using: :gin, opclasses: {"description"=>"gin_trgm_ops"}
   add_index "ci_runners", ["locked"], name: "index_ci_runners_on_locked", using: :btree
   add_index "ci_runners", ["token"], name: "index_ci_runners_on_token", using: :btree
-  add_index "ci_runners", ["token"], name: "index_ci_runners_on_token_trigram", using: :gin, opclasses: {"token"=>"gin_trgm_ops"}
 
   create_table "ci_services", force: :cascade do |t|
     t.string   "type"
@@ -316,8 +295,6 @@ ActiveRecord::Schema.define(version: 20160725104452) do
     t.text     "properties"
   end
 
-  add_index "ci_services", ["project_id"], name: "index_ci_services_on_project_id", using: :btree
-
   create_table "ci_sessions", force: :cascade do |t|
     t.string   "session_id", null: false
     t.text     "data"
@@ -325,9 +302,6 @@ ActiveRecord::Schema.define(version: 20160725104452) do
     t.datetime "updated_at"
   end
 
-  add_index "ci_sessions", ["session_id"], name: "index_ci_sessions_on_session_id", using: :btree
-  add_index "ci_sessions", ["updated_at"], name: "index_ci_sessions_on_updated_at", using: :btree
-
   create_table "ci_taggings", force: :cascade do |t|
     t.integer  "tag_id"
     t.integer  "taggable_id"
@@ -338,7 +312,6 @@ ActiveRecord::Schema.define(version: 20160725104452) do
     t.datetime "created_at"
   end
 
-  add_index "ci_taggings", ["tag_id", "taggable_id", "taggable_type", "context", "tagger_id", "tagger_type"], name: "ci_taggings_idx", unique: true, using: :btree
   add_index "ci_taggings", ["taggable_id", "taggable_type", "context"], name: "index_ci_taggings_on_taggable_id_and_taggable_type_and_context", using: :btree
 
   create_table "ci_tags", force: :cascade do |t|
@@ -346,8 +319,6 @@ ActiveRecord::Schema.define(version: 20160725104452) do
     t.integer "taggings_count", default: 0
   end
 
-  add_index "ci_tags", ["name"], name: "index_ci_tags_on_name", unique: true, using: :btree
-
   create_table "ci_trigger_requests", force: :cascade do |t|
     t.integer  "trigger_id", null: false
     t.text     "variables"
@@ -365,7 +336,6 @@ ActiveRecord::Schema.define(version: 20160725104452) do
     t.integer  "gl_project_id"
   end
 
-  add_index "ci_triggers", ["deleted_at"], name: "index_ci_triggers_on_deleted_at", using: :btree
   add_index "ci_triggers", ["gl_project_id"], name: "index_ci_triggers_on_gl_project_id", using: :btree
 
   create_table "ci_variables", force: :cascade do |t|
@@ -471,7 +441,6 @@ ActiveRecord::Schema.define(version: 20160725104452) do
     t.datetime "updated_at"
   end
 
-  add_index "identities", ["created_at", "id"], name: "index_identities_on_created_at_and_id", using: :btree
   add_index "identities", ["user_id"], name: "index_identities_on_user_id", using: :btree
 
   create_table "issues", force: :cascade do |t|
@@ -488,25 +457,23 @@ ActiveRecord::Schema.define(version: 20160725104452) do
     t.string   "state"
     t.integer  "iid"
     t.integer  "updated_by_id"
+    t.integer  "moved_to_id"
     t.boolean  "confidential",  default: false
     t.datetime "deleted_at"
     t.date     "due_date"
-    t.integer  "moved_to_id"
+    t.integer  "lock_version",  default: 0,     null: false
   end
 
   add_index "issues", ["assignee_id"], name: "index_issues_on_assignee_id", using: :btree
   add_index "issues", ["author_id"], name: "index_issues_on_author_id", using: :btree
   add_index "issues", ["confidential"], name: "index_issues_on_confidential", using: :btree
-  add_index "issues", ["created_at", "id"], name: "index_issues_on_created_at_and_id", using: :btree
   add_index "issues", ["created_at"], name: "index_issues_on_created_at", using: :btree
   add_index "issues", ["deleted_at"], name: "index_issues_on_deleted_at", using: :btree
   add_index "issues", ["description"], name: "index_issues_on_description_trigram", using: :gin, opclasses: {"description"=>"gin_trgm_ops"}
   add_index "issues", ["due_date"], name: "index_issues_on_due_date", using: :btree
   add_index "issues", ["milestone_id"], name: "index_issues_on_milestone_id", using: :btree
   add_index "issues", ["project_id", "iid"], name: "index_issues_on_project_id_and_iid", unique: true, using: :btree
-  add_index "issues", ["project_id"], name: "index_issues_on_project_id", using: :btree
   add_index "issues", ["state"], name: "index_issues_on_state", using: :btree
-  add_index "issues", ["title"], name: "index_issues_on_title", using: :btree
   add_index "issues", ["title"], name: "index_issues_on_title_trigram", using: :gin, opclasses: {"title"=>"gin_trgm_ops"}
 
   create_table "keys", force: :cascade do |t|
@@ -520,7 +487,6 @@ ActiveRecord::Schema.define(version: 20160725104452) do
     t.boolean  "public",      default: false, null: false
   end
 
-  add_index "keys", ["created_at", "id"], name: "index_keys_on_created_at_and_id", using: :btree
   add_index "keys", ["fingerprint"], name: "index_keys_on_fingerprint", unique: true, using: :btree
   add_index "keys", ["user_id"], name: "index_keys_on_user_id", using: :btree
 
@@ -585,11 +551,9 @@ ActiveRecord::Schema.define(version: 20160725104452) do
   end
 
   add_index "members", ["access_level"], name: "index_members_on_access_level", using: :btree
-  add_index "members", ["created_at", "id"], name: "index_members_on_created_at_and_id", using: :btree
   add_index "members", ["invite_token"], name: "index_members_on_invite_token", unique: true, using: :btree
   add_index "members", ["requested_at"], name: "index_members_on_requested_at", using: :btree
   add_index "members", ["source_id", "source_type"], name: "index_members_on_source_id_and_source_type", using: :btree
-  add_index "members", ["type"], name: "index_members_on_type", using: :btree
   add_index "members", ["user_id"], name: "index_members_on_user_id", using: :btree
 
   create_table "merge_request_diffs", force: :cascade do |t|
@@ -631,12 +595,12 @@ ActiveRecord::Schema.define(version: 20160725104452) do
     t.integer  "merge_user_id"
     t.string   "merge_commit_sha"
     t.datetime "deleted_at"
+    t.integer  "lock_version",                 default: 0,     null: false
     t.string   "in_progress_merge_commit_sha"
   end
 
   add_index "merge_requests", ["assignee_id"], name: "index_merge_requests_on_assignee_id", using: :btree
   add_index "merge_requests", ["author_id"], name: "index_merge_requests_on_author_id", using: :btree
-  add_index "merge_requests", ["created_at", "id"], name: "index_merge_requests_on_created_at_and_id", using: :btree
   add_index "merge_requests", ["created_at"], name: "index_merge_requests_on_created_at", using: :btree
   add_index "merge_requests", ["deleted_at"], name: "index_merge_requests_on_deleted_at", using: :btree
   add_index "merge_requests", ["description"], name: "index_merge_requests_on_description_trigram", using: :gin, opclasses: {"description"=>"gin_trgm_ops"}
@@ -659,7 +623,6 @@ ActiveRecord::Schema.define(version: 20160725104452) do
     t.integer  "iid"
   end
 
-  add_index "milestones", ["created_at", "id"], name: "index_milestones_on_created_at_and_id", using: :btree
   add_index "milestones", ["description"], name: "index_milestones_on_description_trigram", using: :gin, opclasses: {"description"=>"gin_trgm_ops"}
   add_index "milestones", ["due_date"], name: "index_milestones_on_due_date", using: :btree
   add_index "milestones", ["project_id", "iid"], name: "index_milestones_on_project_id_and_iid", unique: true, using: :btree
@@ -679,16 +642,17 @@ ActiveRecord::Schema.define(version: 20160725104452) do
     t.boolean  "share_with_group_lock",  default: false
     t.integer  "visibility_level",       default: 20,    null: false
     t.boolean  "request_access_enabled", default: true,  null: false
+    t.datetime "deleted_at"
   end
 
-  add_index "namespaces", ["created_at", "id"], name: "index_namespaces_on_created_at_and_id", using: :btree
+  add_index "namespaces", ["created_at"], name: "index_namespaces_on_created_at", using: :btree
+  add_index "namespaces", ["deleted_at"], name: "index_namespaces_on_deleted_at", using: :btree
   add_index "namespaces", ["name"], name: "index_namespaces_on_name", unique: true, using: :btree
   add_index "namespaces", ["name"], name: "index_namespaces_on_name_trigram", using: :gin, opclasses: {"name"=>"gin_trgm_ops"}
   add_index "namespaces", ["owner_id"], name: "index_namespaces_on_owner_id", using: :btree
   add_index "namespaces", ["path"], name: "index_namespaces_on_path", unique: true, using: :btree
   add_index "namespaces", ["path"], name: "index_namespaces_on_path_trigram", using: :gin, opclasses: {"path"=>"gin_trgm_ops"}
   add_index "namespaces", ["type"], name: "index_namespaces_on_type", using: :btree
-  add_index "namespaces", ["visibility_level"], name: "index_namespaces_on_visibility_level", using: :btree
 
   create_table "notes", force: :cascade do |t|
     t.text     "note"
@@ -711,7 +675,6 @@ ActiveRecord::Schema.define(version: 20160725104452) do
 
   add_index "notes", ["author_id"], name: "index_notes_on_author_id", using: :btree
   add_index "notes", ["commit_id"], name: "index_notes_on_commit_id", using: :btree
-  add_index "notes", ["created_at", "id"], name: "index_notes_on_created_at_and_id", using: :btree
   add_index "notes", ["created_at"], name: "index_notes_on_created_at", using: :btree
   add_index "notes", ["line_code"], name: "index_notes_on_line_code", using: :btree
   add_index "notes", ["note"], name: "index_notes_on_note_trigram", using: :gin, opclasses: {"note"=>"gin_trgm_ops"}
@@ -851,10 +814,8 @@ ActiveRecord::Schema.define(version: 20160725104452) do
     t.boolean  "has_external_wiki"
   end
 
-  add_index "projects", ["builds_enabled", "shared_runners_enabled"], name: "index_projects_on_builds_enabled_and_shared_runners_enabled", using: :btree
-  add_index "projects", ["builds_enabled"], name: "index_projects_on_builds_enabled", using: :btree
   add_index "projects", ["ci_id"], name: "index_projects_on_ci_id", using: :btree
-  add_index "projects", ["created_at", "id"], name: "index_projects_on_created_at_and_id", using: :btree
+  add_index "projects", ["created_at"], name: "index_projects_on_created_at", using: :btree
   add_index "projects", ["creator_id"], name: "index_projects_on_creator_id", using: :btree
   add_index "projects", ["description"], name: "index_projects_on_description_trigram", using: :gin, opclasses: {"description"=>"gin_trgm_ops"}
   add_index "projects", ["last_activity_at"], name: "index_projects_on_last_activity_at", using: :btree
@@ -924,9 +885,9 @@ ActiveRecord::Schema.define(version: 20160725104452) do
     t.string   "type"
     t.string   "title"
     t.integer  "project_id"
-    t.datetime "created_at"
-    t.datetime "updated_at"
-    t.boolean  "active",                default: false,    null: false
+    t.datetime "created_at",                               null: false
+    t.datetime "updated_at",                               null: false
+    t.boolean  "active",                                   null: false
     t.text     "properties"
     t.boolean  "template",              default: false
     t.boolean  "push_events",           default: true
@@ -940,9 +901,6 @@ ActiveRecord::Schema.define(version: 20160725104452) do
     t.boolean  "wiki_page_events",      default: true
   end
 
-  add_index "services", ["category"], name: "index_services_on_category", using: :btree
-  add_index "services", ["created_at", "id"], name: "index_services_on_created_at_and_id", using: :btree
-  add_index "services", ["default"], name: "index_services_on_default", using: :btree
   add_index "services", ["project_id"], name: "index_services_on_project_id", using: :btree
   add_index "services", ["template"], name: "index_services_on_template", using: :btree
 
@@ -959,8 +917,6 @@ ActiveRecord::Schema.define(version: 20160725104452) do
   end
 
   add_index "snippets", ["author_id"], name: "index_snippets_on_author_id", using: :btree
-  add_index "snippets", ["created_at", "id"], name: "index_snippets_on_created_at_and_id", using: :btree
-  add_index "snippets", ["created_at"], name: "index_snippets_on_created_at", using: :btree
   add_index "snippets", ["file_name"], name: "index_snippets_on_file_name_trigram", using: :gin, opclasses: {"file_name"=>"gin_trgm_ops"}
   add_index "snippets", ["project_id"], name: "index_snippets_on_project_id", using: :btree
   add_index "snippets", ["title"], name: "index_snippets_on_title_trigram", using: :gin, opclasses: {"title"=>"gin_trgm_ops"}
@@ -1029,7 +985,6 @@ ActiveRecord::Schema.define(version: 20160725104452) do
   add_index "todos", ["commit_id"], name: "index_todos_on_commit_id", using: :btree
   add_index "todos", ["note_id"], name: "index_todos_on_note_id", using: :btree
   add_index "todos", ["project_id"], name: "index_todos_on_project_id", using: :btree
-  add_index "todos", ["state"], name: "index_todos_on_state", using: :btree
   add_index "todos", ["target_type", "target_id"], name: "index_todos_on_target_type_and_target_id", using: :btree
   add_index "todos", ["user_id"], name: "index_todos_on_user_id", using: :btree
 
@@ -1109,7 +1064,7 @@ ActiveRecord::Schema.define(version: 20160725104452) do
   add_index "users", ["admin"], name: "index_users_on_admin", using: :btree
   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", ["created_at", "id"], name: "index_users_on_created_at_and_id", using: :btree
+  add_index "users", ["created_at"], name: "index_users_on_created_at", using: :btree
   add_index "users", ["current_sign_in_at"], name: "index_users_on_current_sign_in_at", using: :btree
   add_index "users", ["email"], name: "index_users_on_email", unique: true, using: :btree
   add_index "users", ["email"], name: "index_users_on_email_trigram", using: :gin, opclasses: {"email"=>"gin_trgm_ops"}
@@ -1149,7 +1104,6 @@ ActiveRecord::Schema.define(version: 20160725104452) do
     t.string   "token"
   end
 
-  add_index "web_hooks", ["created_at", "id"], name: "index_web_hooks_on_created_at_and_id", using: :btree
   add_index "web_hooks", ["project_id"], name: "index_web_hooks_on_project_id", using: :btree
 
   add_foreign_key "personal_access_tokens", "users"