class method `self.identify`

Ruby on Rails 5.2.8.1

Since v4.0.13

Available in: v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

self.identify(label, column_type = :integer)

Returns a consistent, platform-independent identifier for label. Integer identifiers are values less than 2^30. UUIDs are RFC 4122 version 5 SHA-1 hashes.

Parameters

label req
column_type opt = :integer

Source

# File activerecord/lib/active_record/fixtures.rb, line 581
    def self.identify(label, column_type = :integer)
      if column_type == :uuid
        Digest::UUID.uuid_v5(Digest::UUID::OID_NAMESPACE, label.to_s)
      else
        Zlib.crc32(label.to_s) % MAX_ID
      end
    end

Defined in activerecord/lib/active_record/fixtures.rb line 581 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::FixtureSet

Signature

Parameters