integer_to_sql

# File activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 828
        def integer_to_sql(limit) # :nodoc:
          case limit
          when 1; "tinyint"
          when 2; "smallint"
          when 3; "mediumint"
          when nil, 4; "int"
          when 5..8; "bigint"
          else raise(ActiveRecordError, "No integer type has byte size #{limit}. Use a decimal with scale 0 instead.")
          end
        end