37 lines
926 B
Ruby
37 lines
926 B
Ruby
class AddGroupIdToBoardsCe < ActiveRecord::Migration[4.2]
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include Gitlab::Database::MigrationHelpers
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disable_ddl_transaction!
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DOWNTIME = false
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def up
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return if group_id_exists?
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# rubocop:disable Migration/AddConcurrentForeignKey
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add_column :boards, :group_id, :integer
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add_foreign_key :boards, :namespaces, column: :group_id, on_delete: :cascade
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add_concurrent_index :boards, :group_id
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change_column_null :boards, :project_id, true
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end
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def down
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return unless group_id_exists?
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# rubocop:disable Migration/RemoveIndex
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remove_foreign_key :boards, column: :group_id
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remove_index :boards, :group_id if index_exists? :boards, :group_id
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remove_column :boards, :group_id
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execute "DELETE from boards WHERE project_id IS NULL"
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change_column_null :boards, :project_id, false
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end
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private
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def group_id_exists?
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column_exists?(:boards, :group_id)
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end
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end
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