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新手问题 rails 的锁机制是怎样的

jasonliu · February 14, 2014 · Last by lang1pal replied at February 17, 2014 · 3283 hits

Rails 如何锁住 mysql 表的一条记录，rails 的锁机制是怎样的

lang1pal #1 February 17, 2014
  1. 乐观锁，数据表加上 lock_version 字段，就自动开启
  2. 悲观锁，例如Product.find(:first, lock: true)
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