instance method table_exists?

# File activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb, line 432
      def table_exists?(name)
        return true if super

        name          = name.to_s
        schema, table = name.split('.', 2)

        unless table # A table was provided without a schema
          table  = schema
          schema = nil
        end

        tables(nil, schema).include? table
      end