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-rw-r--r--activerecord/lib/active_record/fixtures.rb9
1 files changed, 5 insertions, 4 deletions
diff --git a/activerecord/lib/active_record/fixtures.rb b/activerecord/lib/active_record/fixtures.rb
index e30fcf9a4f..721114d9d0 100644
--- a/activerecord/lib/active_record/fixtures.rb
+++ b/activerecord/lib/active_record/fixtures.rb
@@ -1,6 +1,7 @@
require 'erb'
require 'yaml'
require 'csv'
+require 'zlib'
require 'active_support/dependencies'
require 'active_support/test_case'
require 'active_support/core_ext/logger'
@@ -434,6 +435,7 @@ end
# Any fixture labeled "DEFAULTS" is safely ignored.
class Fixtures < (RUBY_VERSION < '1.9' ? YAML::Omap : Hash)
+ MAX_ID = 2 ** 31 - 1
DEFAULT_FILTER_RE = /\.ya?ml$/
@@all_cached_fixtures = {}
@@ -525,11 +527,10 @@ class Fixtures < (RUBY_VERSION < '1.9' ? YAML::Omap : Hash)
cached_fixtures(connection, table_names)
end
- # Returns a consistent identifier for +label+. This will always
- # be a positive integer, and will always be the same for a given
- # label, assuming the same OS, platform, and version of Ruby.
+ # Returns a consistent, platform-independent identifier for +label+.
+ # Identifiers are positive integers less than 2^32.
def self.identify(label)
- label.to_s.hash.abs
+ Zlib.crc32(label.to_s) % MAX_ID
end
attr_reader :table_name, :name