chinwagsocial/db/migrate/20170901141119_truncate_preview_cards.rb

36 lines
1.3 KiB
Ruby

# frozen_string_literal: true
class TruncatePreviewCards < ActiveRecord::Migration[5.1]
def up
rename_table :preview_cards, :deprecated_preview_cards
create_table :preview_cards do |t|
t.string :url, default: '', null: false, index: { unique: true }
t.string :title, default: '', null: false
t.string :description, default: '', null: false
# The following corresponds to `t.attachment :image` in an older version of Paperclip
t.string :image_file_name
t.string :image_content_type
t.integer :image_file_size
t.datetime :image_updated_at
t.integer :type, default: 0, null: false
t.text :html, default: '', null: false
t.string :author_name, default: '', null: false
t.string :author_url, default: '', null: false
t.string :provider_name, default: '', null: false
t.string :provider_url, default: '', null: false
t.integer :width, default: 0, null: false
t.integer :height, default: 0, null: false
t.timestamps
end
end
def down
raise ActiveRecord::IrreversibleMigration, 'Previous preview cards table has already been removed' unless ActiveRecord::Base.connection.table_exists? 'deprecated_preview_cards'
drop_table :preview_cards
rename_table :deprecated_preview_cards, :preview_cards
end
end