kaspernj/baza

class Baza::Driver::Mysql::ForeignKey < Baza::ForeignKey
  def initialize(args)
    @db = args.fetch(:db)

    data = args.fetch(:data)

    @column_name = data.fetch(:COLUMN_NAME)
    @name = data.fetch(:CONSTRAINT_NAME)
    @table_name = data.fetch(:TABLE_NAME)
    @referenced_table_name = data.fetch(:REFERENCED_TABLE_NAME)
    @referenced_column_name = data.fetch(:REFERENCED_COLUMN_NAME)
  end

  def drop
    @db.query("
      ALTER TABLE #{@db.quote_table(table_name)}
      DROP FOREIGN KEY #{@db.quote_table(name)}
    ")
    true
  end
end