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ActiveRecord race conditions

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Peter Williams

Posts: 165
Nickname: pezra
Registered: Apr, 2005

Just is a random programmer.
ActiveRecord race conditions Posted: Nov 22, 2007 2:18 PM
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Original Post: ActiveRecord race conditions
Feed Title: Peter Williams' Weblog
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Ara Howard has discovered that the ActiveRecord validation mechanism does not ensure data integrity.1 Validations feel a bit like database constraints but it turns out they are really only useful for producing human friendly error messages. This is because the assertions they define are tested by reading from the database before the changes are written to the database. As you [...]

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