class method
self.identify
Ruby on Rails 8.1.3.1
Since v4.0.13Signature
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
-
labelreq -
column_typeopt = :integer
Source
# File activerecord/lib/active_record/fixtures.rb, line 619
def 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 619
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Defined in ActiveRecord::FixtureSet