class CreateIssueWorkflowStates < ActiveRecord::Migration[6.1]
  def change
    create_table :issue_workflow_states do |t|
      t.integer :issue_id, null: false
      t.bigint :custom_workflow_id, null: false
      t.bigint :current_step_id
      t.integer :completed_by_id
      t.datetime :started_at
      t.datetime :completed_at
      t.timestamps
    end

    add_index :issue_workflow_states, :issue_id, unique: true
    add_index :issue_workflow_states, :custom_workflow_id
    add_index :issue_workflow_states, :current_step_id
    add_foreign_key :issue_workflow_states, :issues
    add_foreign_key :issue_workflow_states, :custom_workflows
    add_foreign_key :issue_workflow_states, :workflow_steps, column: :current_step_id
  end
end