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-rw-r--r--db/migrate/20160419122101_add_only_allow_merge_if_build_succeeds_to_projects.rb2
-rw-r--r--db/migrate/20160608195742_add_repository_storage_to_projects.rb2
-rw-r--r--db/migrate/20160615191922_set_missing_stage_on_ci_builds.rb1
-rw-r--r--db/migrate/20160715154212_add_request_access_enabled_to_projects.rb2
-rw-r--r--db/migrate/20160715204316_add_request_access_enabled_to_groups.rb2
-rw-r--r--db/migrate/20160721081015_drop_and_readd_has_external_wiki_in_projects.rb1
-rw-r--r--db/migrate/20160831223750_remove_features_enabled_from_projects.rb2
-rw-r--r--db/migrate/20160913162434_remove_projects_pushes_since_gc.rb2
-rw-r--r--db/migrate/20170124193147_add_two_factor_columns_to_namespaces.rb2
-rw-r--r--db/migrate/20170124193205_add_two_factor_columns_to_users.rb2
-rw-r--r--db/migrate/20170301125302_add_printing_merge_request_link_enabled_to_project.rb2
-rw-r--r--db/migrate/20170305180853_add_auto_cancel_pending_pipelines_to_project.rb2
-rw-r--r--db/migrate/20170315174634_revert_add_notified_of_own_activity_to_users.rb2
-rw-r--r--db/migrate/20170320173259_migrate_assignees.rb1
-rw-r--r--db/migrate/20170919211300_remove_temporary_ci_builds_index.rb1
-rw-r--r--db/migrate/20171006220837_add_global_rate_limits_to_application_settings.rb38
-rw-r--r--db/migrate/20171114150259_merge_requests_author_id_foreign_key.rb43
-rw-r--r--db/migrate/20171114160005_merge_requests_assignee_id_foreign_key.rb39
-rw-r--r--db/migrate/20171114160904_merge_requests_updated_by_id_foreign_key.rb46
-rw-r--r--db/migrate/20171114161720_merge_requests_merge_user_id_foreign_key.rb46
-rw-r--r--db/migrate/20171114161914_merge_requests_source_project_id_foreign_key.rb45
-rw-r--r--db/migrate/20171114162227_merge_requests_milestone_id_foreign_key.rb39
-rw-r--r--db/migrate/20171121144800_ci_pipelines_index_on_project_id_ref_status_id.rb35
23 files changed, 346 insertions, 11 deletions
diff --git a/db/migrate/20160419122101_add_only_allow_merge_if_build_succeeds_to_projects.rb b/db/migrate/20160419122101_add_only_allow_merge_if_build_succeeds_to_projects.rb
index 22bac46e25c..1716b6e8153 100644
--- a/db/migrate/20160419122101_add_only_allow_merge_if_build_succeeds_to_projects.rb
+++ b/db/migrate/20160419122101_add_only_allow_merge_if_build_succeeds_to_projects.rb
@@ -1,4 +1,4 @@
-# rubocop:disable Migration/AddColumnWithDefaultToLargeTable
+# rubocop:disable Migration/UpdateLargeTable
class AddOnlyAllowMergeIfBuildSucceedsToProjects < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
disable_ddl_transaction!
diff --git a/db/migrate/20160608195742_add_repository_storage_to_projects.rb b/db/migrate/20160608195742_add_repository_storage_to_projects.rb
index 0f3664c13ef..e4febd1614d 100644
--- a/db/migrate/20160608195742_add_repository_storage_to_projects.rb
+++ b/db/migrate/20160608195742_add_repository_storage_to_projects.rb
@@ -1,4 +1,4 @@
-# rubocop:disable Migration/AddColumnWithDefaultToLargeTable
+# rubocop:disable Migration/UpdateLargeTable
class AddRepositoryStorageToProjects < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
disable_ddl_transaction!
diff --git a/db/migrate/20160615191922_set_missing_stage_on_ci_builds.rb b/db/migrate/20160615191922_set_missing_stage_on_ci_builds.rb
index 5336b036bca..c58cb957df4 100644
--- a/db/migrate/20160615191922_set_missing_stage_on_ci_builds.rb
+++ b/db/migrate/20160615191922_set_missing_stage_on_ci_builds.rb
@@ -1,3 +1,4 @@
+# rubocop:disable Migration/UpdateLargeTable
# rubocop:disable Migration/UpdateColumnInBatches
class SetMissingStageOnCiBuilds < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
diff --git a/db/migrate/20160715154212_add_request_access_enabled_to_projects.rb b/db/migrate/20160715154212_add_request_access_enabled_to_projects.rb
index 5dc26f8982a..22c925799a3 100644
--- a/db/migrate/20160715154212_add_request_access_enabled_to_projects.rb
+++ b/db/migrate/20160715154212_add_request_access_enabled_to_projects.rb
@@ -1,4 +1,4 @@
-# rubocop:disable Migration/AddColumnWithDefaultToLargeTable
+# rubocop:disable Migration/UpdateLargeTable
class AddRequestAccessEnabledToProjects < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
disable_ddl_transaction!
diff --git a/db/migrate/20160715204316_add_request_access_enabled_to_groups.rb b/db/migrate/20160715204316_add_request_access_enabled_to_groups.rb
index 4a317646788..4fcb29e1325 100644
--- a/db/migrate/20160715204316_add_request_access_enabled_to_groups.rb
+++ b/db/migrate/20160715204316_add_request_access_enabled_to_groups.rb
@@ -1,4 +1,4 @@
-# rubocop:disable Migration/AddColumnWithDefaultToLargeTable
+# rubocop:disable Migration/UpdateLargeTable
class AddRequestAccessEnabledToGroups < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
disable_ddl_transaction!
diff --git a/db/migrate/20160721081015_drop_and_readd_has_external_wiki_in_projects.rb b/db/migrate/20160721081015_drop_and_readd_has_external_wiki_in_projects.rb
index abe8e701e23..58f7f2a2841 100644
--- a/db/migrate/20160721081015_drop_and_readd_has_external_wiki_in_projects.rb
+++ b/db/migrate/20160721081015_drop_and_readd_has_external_wiki_in_projects.rb
@@ -1,3 +1,4 @@
+# rubocop:disable Migration/UpdateLargeTable
# rubocop:disable Migration/UpdateColumnInBatches
class DropAndReaddHasExternalWikiInProjects < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
diff --git a/db/migrate/20160831223750_remove_features_enabled_from_projects.rb b/db/migrate/20160831223750_remove_features_enabled_from_projects.rb
index 7414a28ac97..aec709aaf59 100644
--- a/db/migrate/20160831223750_remove_features_enabled_from_projects.rb
+++ b/db/migrate/20160831223750_remove_features_enabled_from_projects.rb
@@ -1,7 +1,7 @@
# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
-# rubocop:disable Migration/AddColumnWithDefaultToLargeTable
+# rubocop:disable Migration/UpdateLargeTable
class RemoveFeaturesEnabledFromProjects < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
disable_ddl_transaction!
diff --git a/db/migrate/20160913162434_remove_projects_pushes_since_gc.rb b/db/migrate/20160913162434_remove_projects_pushes_since_gc.rb
index 0100e30a733..df7d922b816 100644
--- a/db/migrate/20160913162434_remove_projects_pushes_since_gc.rb
+++ b/db/migrate/20160913162434_remove_projects_pushes_since_gc.rb
@@ -1,7 +1,7 @@
# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
-# rubocop:disable Migration/AddColumnWithDefaultToLargeTable
+# rubocop:disable Migration/UpdateLargeTable
class RemoveProjectsPushesSinceGc < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
diff --git a/db/migrate/20170124193147_add_two_factor_columns_to_namespaces.rb b/db/migrate/20170124193147_add_two_factor_columns_to_namespaces.rb
index ae37da275fd..27ebe0af33b 100644
--- a/db/migrate/20170124193147_add_two_factor_columns_to_namespaces.rb
+++ b/db/migrate/20170124193147_add_two_factor_columns_to_namespaces.rb
@@ -1,4 +1,4 @@
-# rubocop:disable Migration/AddColumnWithDefaultToLargeTable
+# rubocop:disable Migration/UpdateLargeTable
class AddTwoFactorColumnsToNamespaces < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
diff --git a/db/migrate/20170124193205_add_two_factor_columns_to_users.rb b/db/migrate/20170124193205_add_two_factor_columns_to_users.rb
index 8d4aefa4365..558a1837c79 100644
--- a/db/migrate/20170124193205_add_two_factor_columns_to_users.rb
+++ b/db/migrate/20170124193205_add_two_factor_columns_to_users.rb
@@ -1,4 +1,4 @@
-# rubocop:disable Migration/AddColumnWithDefaultToLargeTable
+# rubocop:disable Migration/UpdateLargeTable
class AddTwoFactorColumnsToUsers < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
diff --git a/db/migrate/20170301125302_add_printing_merge_request_link_enabled_to_project.rb b/db/migrate/20170301125302_add_printing_merge_request_link_enabled_to_project.rb
index 7ad01a04815..6d43f346d4f 100644
--- a/db/migrate/20170301125302_add_printing_merge_request_link_enabled_to_project.rb
+++ b/db/migrate/20170301125302_add_printing_merge_request_link_enabled_to_project.rb
@@ -1,7 +1,7 @@
# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
-# rubocop:disable Migration/AddColumnWithDefaultToLargeTable
+# rubocop:disable Migration/UpdateLargeTable
class AddPrintingMergeRequestLinkEnabledToProject < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
disable_ddl_transaction!
diff --git a/db/migrate/20170305180853_add_auto_cancel_pending_pipelines_to_project.rb b/db/migrate/20170305180853_add_auto_cancel_pending_pipelines_to_project.rb
index f335e77fb5e..3c5cd95726a 100644
--- a/db/migrate/20170305180853_add_auto_cancel_pending_pipelines_to_project.rb
+++ b/db/migrate/20170305180853_add_auto_cancel_pending_pipelines_to_project.rb
@@ -1,4 +1,4 @@
-# rubocop:disable Migration/AddColumnWithDefaultToLargeTable
+# rubocop:disable Migration/UpdateLargeTable
class AddAutoCancelPendingPipelinesToProject < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
diff --git a/db/migrate/20170315174634_revert_add_notified_of_own_activity_to_users.rb b/db/migrate/20170315174634_revert_add_notified_of_own_activity_to_users.rb
index 6c9fe19ca34..807dfcb385d 100644
--- a/db/migrate/20170315174634_revert_add_notified_of_own_activity_to_users.rb
+++ b/db/migrate/20170315174634_revert_add_notified_of_own_activity_to_users.rb
@@ -1,4 +1,4 @@
-# rubocop:disable Migration/AddColumnWithDefaultToLargeTable
+# rubocop:disable Migration/UpdateLargeTable
class RevertAddNotifiedOfOwnActivityToUsers < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
disable_ddl_transaction!
diff --git a/db/migrate/20170320173259_migrate_assignees.rb b/db/migrate/20170320173259_migrate_assignees.rb
index 7b61e811317..255b5e9c4db 100644
--- a/db/migrate/20170320173259_migrate_assignees.rb
+++ b/db/migrate/20170320173259_migrate_assignees.rb
@@ -1,3 +1,4 @@
+# rubocop:disable Migration/UpdateLargeTable
# rubocop:disable Migration/UpdateColumnInBatches
class MigrateAssignees < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
diff --git a/db/migrate/20170919211300_remove_temporary_ci_builds_index.rb b/db/migrate/20170919211300_remove_temporary_ci_builds_index.rb
index b2009b282e9..8423bf13fd9 100644
--- a/db/migrate/20170919211300_remove_temporary_ci_builds_index.rb
+++ b/db/migrate/20170919211300_remove_temporary_ci_builds_index.rb
@@ -12,6 +12,7 @@ class RemoveTemporaryCiBuildsIndex < ActiveRecord::Migration
def up
return unless index_exists?(:ci_builds, :id, name: 'index_for_ci_builds_retried_migration')
+
remove_concurrent_index(:ci_builds, :id, name: "index_for_ci_builds_retried_migration")
end
diff --git a/db/migrate/20171006220837_add_global_rate_limits_to_application_settings.rb b/db/migrate/20171006220837_add_global_rate_limits_to_application_settings.rb
new file mode 100644
index 00000000000..55e822752af
--- /dev/null
+++ b/db/migrate/20171006220837_add_global_rate_limits_to_application_settings.rb
@@ -0,0 +1,38 @@
+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class AddGlobalRateLimitsToApplicationSettings < ActiveRecord::Migration
+ include Gitlab::Database::MigrationHelpers
+
+ DOWNTIME = false
+
+ disable_ddl_transaction!
+
+ def up
+ add_column_with_default :application_settings, :throttle_unauthenticated_enabled, :boolean, default: false, allow_null: false
+ add_column_with_default :application_settings, :throttle_unauthenticated_requests_per_period, :integer, default: 3600, allow_null: false
+ add_column_with_default :application_settings, :throttle_unauthenticated_period_in_seconds, :integer, default: 3600, allow_null: false
+
+ add_column_with_default :application_settings, :throttle_authenticated_api_enabled, :boolean, default: false, allow_null: false
+ add_column_with_default :application_settings, :throttle_authenticated_api_requests_per_period, :integer, default: 7200, allow_null: false
+ add_column_with_default :application_settings, :throttle_authenticated_api_period_in_seconds, :integer, default: 3600, allow_null: false
+
+ add_column_with_default :application_settings, :throttle_authenticated_web_enabled, :boolean, default: false, allow_null: false
+ add_column_with_default :application_settings, :throttle_authenticated_web_requests_per_period, :integer, default: 7200, allow_null: false
+ add_column_with_default :application_settings, :throttle_authenticated_web_period_in_seconds, :integer, default: 3600, allow_null: false
+ end
+
+ def down
+ remove_column :application_settings, :throttle_authenticated_web_period_in_seconds
+ remove_column :application_settings, :throttle_authenticated_web_requests_per_period
+ remove_column :application_settings, :throttle_authenticated_web_enabled
+
+ remove_column :application_settings, :throttle_authenticated_api_period_in_seconds
+ remove_column :application_settings, :throttle_authenticated_api_requests_per_period
+ remove_column :application_settings, :throttle_authenticated_api_enabled
+
+ remove_column :application_settings, :throttle_unauthenticated_period_in_seconds
+ remove_column :application_settings, :throttle_unauthenticated_requests_per_period
+ remove_column :application_settings, :throttle_unauthenticated_enabled
+ end
+end
diff --git a/db/migrate/20171114150259_merge_requests_author_id_foreign_key.rb b/db/migrate/20171114150259_merge_requests_author_id_foreign_key.rb
new file mode 100644
index 00000000000..021eaa04a0c
--- /dev/null
+++ b/db/migrate/20171114150259_merge_requests_author_id_foreign_key.rb
@@ -0,0 +1,43 @@
+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class MergeRequestsAuthorIdForeignKey < ActiveRecord::Migration
+ include Gitlab::Database::MigrationHelpers
+
+ # Set this constant to true if this migration requires downtime.
+ DOWNTIME = false
+
+ disable_ddl_transaction!
+
+ class MergeRequest < ActiveRecord::Base
+ include EachBatch
+
+ self.table_name = 'merge_requests'
+
+ def self.with_orphaned_authors
+ where('NOT EXISTS (SELECT true FROM users WHERE merge_requests.author_id = users.id)')
+ .where('author_id IS NOT NULL')
+ end
+ end
+
+ def up
+ # Replacing the ghost user ID logic would be too complex, hence we don't
+ # redefine the User model here.
+ ghost_id = User.select(:id).ghost.id
+
+ MergeRequest.with_orphaned_authors.each_batch(of: 100) do |batch|
+ batch.update_all(author_id: ghost_id)
+ end
+
+ add_concurrent_foreign_key(
+ :merge_requests,
+ :users,
+ column: :author_id,
+ on_delete: :nullify
+ )
+ end
+
+ def down
+ remove_foreign_key(:merge_requests, column: :author_id)
+ end
+end
diff --git a/db/migrate/20171114160005_merge_requests_assignee_id_foreign_key.rb b/db/migrate/20171114160005_merge_requests_assignee_id_foreign_key.rb
new file mode 100644
index 00000000000..1a242f01051
--- /dev/null
+++ b/db/migrate/20171114160005_merge_requests_assignee_id_foreign_key.rb
@@ -0,0 +1,39 @@
+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class MergeRequestsAssigneeIdForeignKey < ActiveRecord::Migration
+ include Gitlab::Database::MigrationHelpers
+
+ # Set this constant to true if this migration requires downtime.
+ DOWNTIME = false
+
+ disable_ddl_transaction!
+
+ class MergeRequest < ActiveRecord::Base
+ include EachBatch
+
+ self.table_name = 'merge_requests'
+
+ def self.with_orphaned_assignees
+ where('NOT EXISTS (SELECT true FROM users WHERE merge_requests.assignee_id = users.id)')
+ .where('assignee_id IS NOT NULL')
+ end
+ end
+
+ def up
+ MergeRequest.with_orphaned_assignees.each_batch(of: 100) do |batch|
+ batch.update_all(assignee_id: nil)
+ end
+
+ add_concurrent_foreign_key(
+ :merge_requests,
+ :users,
+ column: :assignee_id,
+ on_delete: :nullify
+ )
+ end
+
+ def down
+ remove_foreign_key(:merge_requests, column: :assignee_id)
+ end
+end
diff --git a/db/migrate/20171114160904_merge_requests_updated_by_id_foreign_key.rb b/db/migrate/20171114160904_merge_requests_updated_by_id_foreign_key.rb
new file mode 100644
index 00000000000..eb3872e38da
--- /dev/null
+++ b/db/migrate/20171114160904_merge_requests_updated_by_id_foreign_key.rb
@@ -0,0 +1,46 @@
+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class MergeRequestsUpdatedByIdForeignKey < ActiveRecord::Migration
+ include Gitlab::Database::MigrationHelpers
+
+ # Set this constant to true if this migration requires downtime.
+ DOWNTIME = false
+
+ disable_ddl_transaction!
+
+ class MergeRequest < ActiveRecord::Base
+ include EachBatch
+
+ self.table_name = 'merge_requests'
+
+ def self.with_orphaned_updaters
+ where('NOT EXISTS (SELECT true FROM users WHERE merge_requests.updated_by_id = users.id)')
+ .where('updated_by_id IS NOT NULL')
+ end
+ end
+
+ def up
+ MergeRequest.with_orphaned_updaters.each_batch(of: 100) do |batch|
+ batch.update_all(updated_by_id: nil)
+ end
+
+ add_concurrent_index(
+ :merge_requests,
+ :updated_by_id,
+ where: 'updated_by_id IS NOT NULL'
+ )
+
+ add_concurrent_foreign_key(
+ :merge_requests,
+ :users,
+ column: :updated_by_id,
+ on_delete: :nullify
+ )
+ end
+
+ def down
+ remove_foreign_key_without_error(:merge_requests, column: :updated_by_id)
+ remove_concurrent_index(:merge_requests, :updated_by_id)
+ end
+end
diff --git a/db/migrate/20171114161720_merge_requests_merge_user_id_foreign_key.rb b/db/migrate/20171114161720_merge_requests_merge_user_id_foreign_key.rb
new file mode 100644
index 00000000000..925b3e537d7
--- /dev/null
+++ b/db/migrate/20171114161720_merge_requests_merge_user_id_foreign_key.rb
@@ -0,0 +1,46 @@
+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class MergeRequestsMergeUserIdForeignKey < ActiveRecord::Migration
+ include Gitlab::Database::MigrationHelpers
+
+ # Set this constant to true if this migration requires downtime.
+ DOWNTIME = false
+
+ disable_ddl_transaction!
+
+ class MergeRequest < ActiveRecord::Base
+ include EachBatch
+
+ self.table_name = 'merge_requests'
+
+ def self.with_orphaned_mergers
+ where('NOT EXISTS (SELECT true FROM users WHERE merge_requests.merge_user_id = users.id)')
+ .where('merge_user_id IS NOT NULL')
+ end
+ end
+
+ def up
+ MergeRequest.with_orphaned_mergers.each_batch(of: 100) do |batch|
+ batch.update_all(merge_user_id: nil)
+ end
+
+ add_concurrent_index(
+ :merge_requests,
+ :merge_user_id,
+ where: 'merge_user_id IS NOT NULL'
+ )
+
+ add_concurrent_foreign_key(
+ :merge_requests,
+ :users,
+ column: :merge_user_id,
+ on_delete: :nullify
+ )
+ end
+
+ def down
+ remove_foreign_key_without_error(:merge_requests, column: :merge_user_id)
+ remove_concurrent_index(:merge_requests, :merge_user_id)
+ end
+end
diff --git a/db/migrate/20171114161914_merge_requests_source_project_id_foreign_key.rb b/db/migrate/20171114161914_merge_requests_source_project_id_foreign_key.rb
new file mode 100644
index 00000000000..99740f64fe6
--- /dev/null
+++ b/db/migrate/20171114161914_merge_requests_source_project_id_foreign_key.rb
@@ -0,0 +1,45 @@
+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class MergeRequestsSourceProjectIdForeignKey < ActiveRecord::Migration
+ include Gitlab::Database::MigrationHelpers
+
+ # Set this constant to true if this migration requires downtime.
+ DOWNTIME = false
+
+ disable_ddl_transaction!
+
+ class MergeRequest < ActiveRecord::Base
+ include EachBatch
+
+ self.table_name = 'merge_requests'
+
+ def self.with_orphaned_source_projects
+ where('NOT EXISTS (SELECT true FROM projects WHERE merge_requests.source_project_id = projects.id)')
+ .where('source_project_id IS NOT NULL')
+ end
+ end
+
+ def up
+ # We need to allow NULL values so we can nullify the column when the source
+ # project is removed. We _don't_ want to remove the merge request, instead
+ # the application will keep them but close them.
+ change_column_null(:merge_requests, :source_project_id, true)
+
+ MergeRequest.with_orphaned_source_projects.each_batch(of: 100) do |batch|
+ batch.update_all(source_project_id: nil)
+ end
+
+ add_concurrent_foreign_key(
+ :merge_requests,
+ :projects,
+ column: :source_project_id,
+ on_delete: :nullify
+ )
+ end
+
+ def down
+ remove_foreign_key_without_error(:merge_requests, column: :source_project_id)
+ change_column_null(:merge_requests, :source_project_id, false)
+ end
+end
diff --git a/db/migrate/20171114162227_merge_requests_milestone_id_foreign_key.rb b/db/migrate/20171114162227_merge_requests_milestone_id_foreign_key.rb
new file mode 100644
index 00000000000..c005cf7d173
--- /dev/null
+++ b/db/migrate/20171114162227_merge_requests_milestone_id_foreign_key.rb
@@ -0,0 +1,39 @@
+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class MergeRequestsMilestoneIdForeignKey < ActiveRecord::Migration
+ include Gitlab::Database::MigrationHelpers
+
+ # Set this constant to true if this migration requires downtime.
+ DOWNTIME = false
+
+ disable_ddl_transaction!
+
+ class MergeRequest < ActiveRecord::Base
+ include EachBatch
+
+ self.table_name = 'merge_requests'
+
+ def self.with_orphaned_milestones
+ where('NOT EXISTS (SELECT true FROM milestones WHERE merge_requests.milestone_id = milestones.id)')
+ .where('milestone_id IS NOT NULL')
+ end
+ end
+
+ def up
+ MergeRequest.with_orphaned_milestones.each_batch(of: 100) do |batch|
+ batch.update_all(milestone_id: nil)
+ end
+
+ add_concurrent_foreign_key(
+ :merge_requests,
+ :milestones,
+ column: :milestone_id,
+ on_delete: :nullify
+ )
+ end
+
+ def down
+ remove_foreign_key_without_error(:merge_requests, column: :milestone_id)
+ end
+end
diff --git a/db/migrate/20171121144800_ci_pipelines_index_on_project_id_ref_status_id.rb b/db/migrate/20171121144800_ci_pipelines_index_on_project_id_ref_status_id.rb
new file mode 100644
index 00000000000..5a8ae6e4b57
--- /dev/null
+++ b/db/migrate/20171121144800_ci_pipelines_index_on_project_id_ref_status_id.rb
@@ -0,0 +1,35 @@
+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class CiPipelinesIndexOnProjectIdRefStatusId < ActiveRecord::Migration
+ include Gitlab::Database::MigrationHelpers
+
+ # Set this constant to true if this migration requires downtime.
+ DOWNTIME = false
+
+ disable_ddl_transaction!
+
+ TABLE = :ci_pipelines
+ OLD_COLUMNS = %i[project_id ref status].freeze
+ NEW_COLUMNS = %i[project_id ref status id].freeze
+
+ def up
+ unless index_exists?(TABLE, NEW_COLUMNS)
+ add_concurrent_index(TABLE, NEW_COLUMNS)
+ end
+
+ if index_exists?(TABLE, OLD_COLUMNS)
+ remove_concurrent_index(TABLE, OLD_COLUMNS)
+ end
+ end
+
+ def down
+ unless index_exists?(TABLE, OLD_COLUMNS)
+ add_concurrent_index(TABLE, OLD_COLUMNS)
+ end
+
+ if index_exists?(TABLE, NEW_COLUMNS)
+ remove_concurrent_index(TABLE, NEW_COLUMNS)
+ end
+ end
+end