Reschedule another instance of RemoveRestrictedTodos migration
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2 changed files with 33 additions and 1 deletions
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# frozen_string_literal: true
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# rescheduling of the revised RemoveRestrictedTodosWithCte background migration
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class RemoveRestrictedTodosAgain < ActiveRecord::Migration
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include Gitlab::Database::MigrationHelpers
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DOWNTIME = false
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disable_ddl_transaction!
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MIGRATION = 'RemoveRestrictedTodos'.freeze
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BATCH_SIZE = 1000
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DELAY_INTERVAL = 5.minutes.to_i
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class Project < ActiveRecord::Base
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include EachBatch
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self.table_name = 'projects'
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end
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def up
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Project.where('EXISTS (SELECT 1 FROM todos WHERE todos.project_id = projects.id)')
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.each_batch(of: BATCH_SIZE) do |batch, index|
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range = batch.pluck('MIN(id)', 'MAX(id)').first
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BackgroundMigrationWorker.perform_in(index * DELAY_INTERVAL, MIGRATION, range)
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end
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end
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def down
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# nothing to do
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end
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end
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@ -11,7 +11,7 @@
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#
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#
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# It's strongly recommended that you check this file into your version control system.
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# It's strongly recommended that you check this file into your version control system.
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ActiveRecord::Schema.define(version: 20181101144347) do
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ActiveRecord::Schema.define(version: 20181107054254) do
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# These are extensions that must be enabled in order to support this database
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# These are extensions that must be enabled in order to support this database
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enable_extension "plpgsql"
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enable_extension "plpgsql"
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