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next-key锁(19-正无穷),插入19,主键id自增应该是id = 10了,在19里面要插到最后一个19后面,要检查下一个有没有加锁,21是加锁的,所以事务F应该也是阻塞的吧? 除非插入的是id为2或3的19才能插进去,但是从图里看id不能等于2或者3了吧,主键索引不能重复 能否解答疑问。感谢!!!
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next-key锁(19-正无穷),插入19,主键id自增应该是id = 10了,在19里面要插到最后一个19后面,要检查下一个有没有加锁,21是加锁的,所以事务F应该也是阻塞的吧?
除非插入的是id为2或3的19才能插进去,但是从图里看id不能等于2或者3了吧,主键索引不能重复
能否解答疑问。感谢!!!
The text was updated successfully, but these errors were encountered: