new

# File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 12
      def initialize(
        table, name,
        unique = false,
        columns = [],
        lengths: {},
        orders: {},
        opclasses: {},
        where: nil,
        type: nil,
        using: nil,
        include: nil,
        nulls_not_distinct: nil,
        comment: nil,
        valid: true
      )
        @table = table
        @name = name
        @unique = unique
        @columns = columns
        @lengths = concise_options(lengths)
        @orders = concise_options(orders)
        @opclasses = concise_options(opclasses)
        @where = where
        @type = type
        @using = using
        @include = include
        @nulls_not_distinct = nulls_not_distinct
        @comment = comment
        @valid = valid
      end