db/migrate/20180509103228_migrate_proposals_category.decidim_proposals.rb
# frozen_string_literal: true
# This migration comes from decidim_proposals (originally 20170612101809)
class MigrateProposalsCategory < ActiveRecord::Migration[5.1]
def change
# Create categorizations ensuring database integrity
execute('
INSERT INTO decidim_categorizations(decidim_category_id, categorizable_id, categorizable_type, created_at, updated_at)
SELECT decidim_category_id, decidim_proposals_proposals.id, \'Decidim::Proposals::Proposal\', NOW(), NOW()
FROM decidim_proposals_proposals
INNER JOIN decidim_categories ON decidim_categories.id = decidim_proposals_proposals.decidim_category_id
')
# Remove unused column
remove_column :decidim_proposals_proposals, :decidim_category_id
end
end