foodsoft/db/migrate/20230106144439_create_activ...

29 lines
1.1 KiB
Ruby

# This migration comes from active_storage (originally 20191206030411)
class CreateActiveStorageVariantRecords < ActiveRecord::Migration[6.0]
def change
return unless table_exists?(:active_storage_blobs)
# Use Active Record's configured type for primary key
create_table :active_storage_variant_records, id: primary_key_type, if_not_exists: true do |t|
t.belongs_to :blob, null: false, index: false, type: blobs_primary_key_type
t.string :variation_digest, null: false
t.index [:blob_id, :variation_digest], name: "index_active_storage_variant_records_uniqueness", unique: true
t.foreign_key :active_storage_blobs, column: :blob_id
end
end
private
def primary_key_type
config = Rails.configuration.generators
config.options[config.orm][:primary_key_type] || :primary_key
end
def blobs_primary_key_type
pkey_name = connection.primary_key(:active_storage_blobs)
pkey_column = connection.columns(:active_storage_blobs).find { |c| c.name == pkey_name }
pkey_column.bigint? ? :bigint : pkey_column.type
end
end