gistfile1.txt

module Shogun
  module Once
    class OnceRecord < Sequel::Model
      Sequel.extension :pg_array
      DB.extend Sequel::Postgres::PGArray::DatabaseMethods
      unrestrict_primary_key
    end

    def self.ever(*arguments, &blk)
      OnceRecord.create(signature: signature(arguments), arguments: arguments.pg_array)
    end

    def self.signature(*arguments)
      signature = arguments.join(' ')
    end
  end
end

ERROR: missing dimension value at character 73
STATEMENT: INSERT INTO "once_records" ("signature", "arguments") VALUES ('sample', '["sample"]') RETURNING *