diff options
author | Stan Hu <stanhu@gmail.com> | 2018-11-07 08:46:23 +0300 |
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committer | Stan Hu <stanhu@gmail.com> | 2018-11-07 08:46:23 +0300 |
commit | bb55bcddb80adf017d82758587761f413674d985 (patch) | |
tree | f53fe5fae2883d98bae25021c36a3ef58c683bda /db | |
parent | 5c8ce94052fab07c979f6b1ecef9f7b807909b94 (diff) |
Reschedule another instance of RemoveRestrictedTodos migration
Diffstat (limited to 'db')
-rw-r--r-- | db/post_migrate/20181107054254_remove_restricted_todos_again.rb | 32 | ||||
-rw-r--r-- | db/schema.rb | 2 |
2 files changed, 33 insertions, 1 deletions
diff --git a/db/post_migrate/20181107054254_remove_restricted_todos_again.rb b/db/post_migrate/20181107054254_remove_restricted_todos_again.rb new file mode 100644 index 00000000000..644e0074c46 --- /dev/null +++ b/db/post_migrate/20181107054254_remove_restricted_todos_again.rb @@ -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 diff --git a/db/schema.rb b/db/schema.rb index 1a8b556228d..0a97a76df48 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: 20181101144347) do +ActiveRecord::Schema.define(version: 20181107054254) do # These are extensions that must be enabled in order to support this database enable_extension "plpgsql" |