binary_to_sql

# File activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 849
        def binary_to_sql(limit) # :nodoc:
          case limit
          when 0..0xff;               "tinyblob"
          when nil, 0x100..0xffff;    "blob"
          when 0x10000..0xffffff;     "mediumblob"
          when 0x1000000..0xffffffff; "longblob"
          else raise(ActiveRecordError, "No binary type has byte length #{limit}")
          end
        end