prepare_column_options

# File activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb, line 25
        def prepare_column_options(column)
          spec = {}
          spec[:limit] = schema_limit(column)
          spec[:precision] = schema_precision(column)
          spec[:scale] = schema_scale(column)
          spec[:default] = schema_default(column)
          spec[:null] = "false" unless column.null
          spec[:collation] = schema_collation(column)
          spec[:comment] = column.comment.inspect if column.comment.present?
          spec.compact!
          spec
        end