Contents

# frozen_string_literal: true

class Cleanup < ActiveRecord::Migration[4.2]
  # Remove obsolete tables and columns that may have been left behind by other migrations.
  def self.up
    if ActiveRecord::Base.connection.columns("venues").map(&:name).include?("version")
      remove_column :venues, :version
    end

    %w[event_versions venue_versions].each do |table|
      drop_table table if ActiveRecord::Base.connection.tables.include?(table)
    end
  end
end

Version data entries

5 entries across 5 versions & 2 rubygems

Version	Path
koalagator-3.0.0	db/migrate/20120709092821_cleanup.rb
koalagator-2.1.1	db/migrate/20120709092821_cleanup.rb
koalagator-2.1.0	db/migrate/20120709092821_cleanup.rb
calagator2-2.1.1	db/migrate/20120709092821_cleanup.rb
calagator2-2.1.0	db/migrate/20120709092821_cleanup.rb