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alias_method_chain preserves method punctuation so foo, foo?, and foo! may be chained with the same feature.

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documentation fixes for ActionController::Verification::ClassMethods verify method.  Closes #4310.  [oleg.frolov@gmail.com]

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Remove some cruft from the framework:update:configs task and fix the documentation. Closes #5300. [jeremy@planetargon.com]

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Added find_or_initialize_by_X which works like find_or_create_by_X but doesn't save the newly instantiated record

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 Getting picayune with locking_test.  Closes #4871.


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 tpyo


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 Use the #lock method to obtain a row lock on a single record. Simply reloads the record with :lock => true.


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 ActiveRecord::Locking is now ActiveRecord::Locking::Optimistic (to make way for Pessimistic.)


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 locking
 r4645@asus:  jeremy | 2006-06-17 12:41:30 -0700
 missing reply fixture
 r4646@asus:  jeremy | 2006-06-19 13:05:23 -0700
 Use a per-thread (rather than global) transaction mutex so you may execute concurrent transactions on separate connections.
 r4647@asus:  jeremy | 2006-06-19 13:07:23 -0700
 PostgreSQL: introduce allow_concurrency option which determines whether to use blocking or asynchronous #execute. Adapters with blocking #execute will deadlock Ruby threads. The default value is ActiveRecord::Base.allow_concurrency.
 r4648@asus:  jeremy | 2006-06-19 13:08:40 -0700
 Pass the default allow_concurrency when instantiating new connections.
 r4649@asus:  jeremy | 2006-06-19 13:11:12 -0700
 Break out concurrent transaction tests and run them for PostgreSQLAdapter only (need to fork or system('some_test_script') for the other adapters)
 r4650@asus:  jeremy | 2006-06-19 13:42:48 -0700
 Row locking. Provide a locking clause with the :lock finder option or true for the default "FOR UPDATE".
 r4661@asus:  jeremy | 2006-06-19 15:36:51 -0700
 excise the junk mutex


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Enhance Symbol#to_proc so it works with list objects, such as multi-dimensional arrays. Closes #5295 [nov@yo.rim.or.jp]

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Added Hash.create_from_xml(string) which will create a hash from a XML string and even typecast if possible [DHH]

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Added Jim Weirich's excellent FlexMock class to vendor (Copyright 2003, 2004 by Jim Weirich (jim@weriichhouse.org)) -- it's not automatically required, though, so require 'flexmock' is still necessary [DHH]

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add passing test to make sure unhandled requests don't load unnecessary classes.  Closed #5408.  [nkriege@hotmail.com]

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