提交 b5d264ef 编写于 作者: J Jeremy Kemper

r4667@asus: jeremy | 2006-06-20 00:59:15 -0700

 tpyo


git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4463 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
上级 722e0b6a
*SVN*
* Row locking. Provide a locking clause with the :lock finder option or true for the default "FOR UPDATE". Use the #lock method to obtain a row lock on a single reload (reloads the record with :lock => true). [Shugo Maeda]
* Row locking. Provide a locking clause with the :lock finder option or true for the default "FOR UPDATE". Use the #lock! method to obtain a row lock on a single record (reloads the record with :lock => true). [Shugo Maeda]
# Obtain an exclusive lock on person 1 so we can safely increment visits.
Person.transaction do
# select * from people where id=1 for update
......
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