aboutsummaryrefslogtreecommitdiffstats
path: root/activerecord/lib/active_record/connection_adapters/postgresql/column.rb
blob: 1b67cee24b349fa1fba7a0d20f8f997752eeb45a (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
# frozen_string_literal: true

module ActiveRecord
  module ConnectionAdapters
    # PostgreSQL-specific extensions to column definitions in a table.
    class PostgreSQLColumn < Column #:nodoc:
      delegate :array, :oid, :fmod, to: :sql_type_metadata
      alias :array? :array

      def serial?
        return unless default_function

        %r{\Anextval\('"?#{table_name}_#{name}_seq"?'::regclass\)\z} === default_function
      end
    end
  end
end