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Deprecation tests. Remove warnings for dynamic finders and for the foo_count ethod if it's also an attribute.

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We cant make MySQL 5 happy if it means making SQLite and PostgreSQL cry. So currently MySQL 5 is not fully supported for Rails when youre using eager loading (closes #6133, #6135). I have contacted MySQL to make them fix http://bugs.mysql.com/bug.php?id=13551 [DHH]

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Added parentheses around FROM clauses generated by Base and associations since MySQL 5 claim that to be the standard (and will screw up joins if its not there), see http://bugs.mysql.com/bug.php?id=13551 [DHH]

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Backed out of new_record? to new? transformation as it would screw up existing models that did boolean calls on "new" attributes [DHH]

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Deprecated ActiveRecord::Base.new_record? in favor of ActiveRecord::Base.new? (old version still works until Rails 2.0) [DHH]

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Fixed the Ruby/MySQL adapter we ship with Active Record to work with the new authentication handshake that was introduced in MySQL 4.1, along with the other protocol changes made at that time (closes #5723) [jimw@mysql.com]

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Deprecation: use :dependent => :delete_all rather than :exclusively_dependent => true. Closes #6024.

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Document validates_presences_of behavior with booleans: you probably want validates_inclusion_of :attr, :in => [true, false]. Closes #2253.

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validates_confirmation_of only kicks in when the attribute, rather than its confirmation, is present. Closes #785.

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has_one supports the :dependent => :delete option which skips the typical callback chain and deletes the associated object directly from the database. Closes #5927.

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Nested subclasses are not prefixed with the parent class' table_name since they should always use the base class' table_name. Closes #5911.

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SQLServer: work around bug where some unambiguous date formats are not correctly identified if the session language is set to german. Closes #5894.

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Pushing a record onto a has_many :through sets the association's foreign key to the associate's primary key and adds it to the correct association. Closes #5829.

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Pushing a record onto a has_many :through sets the association's foreign key to the associate's primary key. Closes #5815.

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Add records to has_many :through using <<, push, and concat by creating the association record. Raise if base or associate are new records since both ids are required to create the association. #build raises since you can't associate an unsaved record. #create! takes an attributes hash and creates the associated record and its association in a transaction.

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Fixed a bug which would cause .save to fail after trying to access a empty has_one association on a unsaved record.

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