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# frozen_string_literal: true
class CreateElasticReindexingSubtasks < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
class ReindexingTask < ActiveRecord::Base
self.table_name = 'elastic_reindexing_tasks'
end
class ReindexingSubtask < ActiveRecord::Base
self.table_name = 'elastic_reindexing_subtasks'
end
def up
unless table_exists?(:elastic_reindexing_subtasks)
create_table :elastic_reindexing_subtasks do |t|
t.references :elastic_reindexing_task, foreign_key: { on_delete: :cascade }, null: false
t.text :alias_name, null: false
t.text :index_name_from, null: false
t.text :index_name_to, null: false
t.text :elastic_task, null: false
t.integer :documents_count_target
t.integer :documents_count
t.timestamps_with_timezone null: false
end
end
add_text_limit :elastic_reindexing_subtasks, :index_name_from, 255
add_text_limit :elastic_reindexing_subtasks, :index_name_to, 255
add_text_limit :elastic_reindexing_subtasks, :elastic_task, 255
add_text_limit :elastic_reindexing_subtasks, :alias_name, 255
ReindexingTask.find_each do |task|
next if task.index_name_from.blank? || task.index_name_to.blank? || task.elastic_task.blank?
next if ReindexingSubtask.where(elastic_reindexing_task_id: task.id).exists?
ReindexingSubtask.create(
elastic_reindexing_task_id: task.id,
documents_count_target: task.documents_count_target,
documents_count: task.documents_count,
alias_name: 'gitlab-production',
index_name_from: task.index_name_from,
index_name_to: task.index_name_to,
elastic_task: task.elastic_task
)
end
end
def down
drop_table :elastic_reindexing_subtasks
end
end
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