pessimistic-locking

相关标签：javascript jquery android 多少钱 iPhone

How do I lock records in Rails 3 for a specific amount of time?

What I want to do is basically have a user obtain the lock on a record and have it for a specific amount of time so they can make changes to it, like wikipedia. So lets say a wikipedia article gives t[详细]

2023-04-13 04:00 分类：问答
Spring Pessimistic locking

i have spring project under java, using hibernate query, i like to use pessimistic locking. How to do Pessimistic locking in Spring开发者_Go百科 + Hibernate?[详细]

2023-03-24 06:49 分类：问答
rails pessimistic lock not working

I´m trying to use a pessimistic lock in my app but it just not work... I´m using rails 3 (3.0.9), with activerecord-oracle_enhanced-adapter (1.3.2) and the lock option is now working for me... :([详细]

2023-03-21 23:19 分类：问答
Grails Pessimistic locking with executeUpdate()

I can\'t find any info on how to use pessimistic locking with an executeUpdate() command in grails. Is this possible?[详细]

2023-03-08 23:23 分类：问答
catching ConstraintViolationException and handling unque constraints

I\'m really upset with Hibernate! I have a database table (mysql) that holds parent-child relationships that allow me to build a tree of categories.I have multiple threads which can try to get and if[详细]

2023-02-15 04:22 分类：问答
mysql transaction pessimistic lock corrupted

I am using hibernate, and innodb and mysql.I have a pessimistic lock (on a specific table row) obtained at the beginning of a very long hibernate transaction.On occasion, when I run the program that s[详细]

2023-02-08 09:20 分类：问答
SQL Server, the misleading XLOCK & optimizations

From some recent testing and reading I\'ve done, it seems the \"X\" (exclusive) name part of XLOCK is misleading. It in fact doesn\'t lock any more than UPDLOCK. If it were exclusive, it would prevent[详细]

2023-02-02 22:40 分类：问答
JPA synchronizing entity accessors

Here\'s the setup: the entity class has the collection of other entities that is loaded lazily. The trick is, I need to perform some data-related work (for example, I want to calculate certain checksu[详细]

2023-01-17 15:12 分类：问答
地热多少钱一平啊？？

公子无咎 2022-05-01 06:08 截止2020年4月，大部分的家庭在安装地暖的时候，都是水地暖，尤其是北方的城市，水地暖的投资是非常高的，尤其是对于大户型的房屋来说，因为它需要配置壁挂炉，整体的价格就比较贵了[详细]

2022-12-22 21:59 分类：问答