debian-mirror-gitlab/db/migrate/20180214155405_create_clusters_applications_runners.rb

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class CreateClustersApplicationsRunners < ActiveRecord::Migration[4.2]
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include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
def up
create_table :clusters_applications_runners do |t|
t.references :cluster, null: false, foreign_key: { on_delete: :cascade }
t.references :runner, references: :ci_runners
t.index :runner_id
t.index :cluster_id, unique: true
t.integer :status, null: false
t.timestamps_with_timezone null: false
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t.string :version, null: false # rubocop:disable Migration/AddLimitToStringColumns
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t.text :status_reason
end
add_concurrent_foreign_key :clusters_applications_runners, :ci_runners,
column: :runner_id,
on_delete: :nullify
end
def down
if foreign_keys_for(:clusters_applications_runners, :runner_id).any?
remove_foreign_key :clusters_applications_runners, column: :runner_id
end
drop_table :clusters_applications_runners
end
end