gitlab-org--gitlab-foss/db/migrate/20201202003042_add_epic_board_positions.rb

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# frozen_string_literal: true
class AddEpicBoardPositions < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
def up
with_lock_retries do
create_table :boards_epic_board_positions do |t|
t.references :epic_board, foreign_key: { to_table: :boards_epic_boards, on_delete: :cascade }, null: false, index: false
t.references :epic, foreign_key: { on_delete: :cascade }, null: false, index: true
t.integer :relative_position
t.timestamps_with_timezone null: false
t.index [:epic_board_id, :epic_id], unique: true, name: :index_boards_epic_board_positions_on_epic_board_id_and_epic_id
end
end
end
def down
with_lock_retries do
drop_table :boards_epic_board_positions
end
end
end