Reschedule another instance of RemoveRestrictedTodos migration

This commit is contained in:
Stan Hu 2018-11-06 21:46:23 -08:00
parent 5c8ce94052
commit bb55bcddb8
2 changed files with 33 additions and 1 deletions

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@ -0,0 +1,32 @@
# frozen_string_literal: true
# rescheduling of the revised RemoveRestrictedTodosWithCte background migration
class RemoveRestrictedTodosAgain < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
MIGRATION = 'RemoveRestrictedTodos'.freeze
BATCH_SIZE = 1000
DELAY_INTERVAL = 5.minutes.to_i
class Project < ActiveRecord::Base
include EachBatch
self.table_name = 'projects'
end
def up
Project.where('EXISTS (SELECT 1 FROM todos WHERE todos.project_id = projects.id)')
.each_batch(of: BATCH_SIZE) do |batch, index|
range = batch.pluck('MIN(id)', 'MAX(id)').first
BackgroundMigrationWorker.perform_in(index * DELAY_INTERVAL, MIGRATION, range)
end
end
def down
# nothing to do
end
end

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@ -11,7 +11,7 @@
#
# It's strongly recommended that you check this file into your version control system.
ActiveRecord::Schema.define(version: 20181101144347) do
ActiveRecord::Schema.define(version: 20181107054254) do
# These are extensions that must be enabled in order to support this database
enable_extension "plpgsql"