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Is it possible to change isolation level at datasource setting file in coldfusion?


Is it possible to change isolation level at datasource setting file in coldfusion?

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Is it possible to change isolation level at datasource setting file in coldfusion?
Tag : coldfusion , By : Val
Date : November 28 2020, 08:01 AM


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How to set the transaction isolation level of a Postgres Datasource


Tag : java , By : Derek
Date : March 29 2020, 07:55 AM
wish help you to fix your issue You can set isolation level that way. Hibernate allows you to do it in a database-agnostic way, so it'll work with PostgreSQL.

Setting Isolation level in ruby v 2.1.3


Tag : ruby-on-rails , By : ikey
Date : March 29 2020, 07:55 AM
will be helpful for those in need The following solution worked for me (slight modification of dimakura's answer):
acc = Account.lock.find(id)
acc.balance += 100
acc.save!
acc = Account.where(:acc_code => acc_code).first
acc.with_lock do
 acc.balance += 100
 acc.save!
end

Change isolation level - hibernate.connection.isolation does not working


Tag : java , By : brennen
Date : March 29 2020, 07:55 AM
may help you . If anyone needs the solution. The only solution I found was this:
Extend the HibernateJpaDialect class and implement the beginTransaction method to set transact isolation. It looks like this:
@Service
public class CustomHibernateJpaDialect extends HibernateJpaDialect {

    @Override
    public Object beginTransaction(final EntityManager entityManager,
            final TransactionDefinition definition) throws PersistenceException,
            SQLException, TransactionException {

        Session session = getSession(entityManager);

        if (definition.getTimeout() != TransactionDefinition.TIMEOUT_DEFAULT) {
            session.getTransaction().setTimeout(definition.getTimeout());
        }

        entityManager.getTransaction().begin();

        session.doWork(new Work() {
            public void execute(Connection connection) throws SQLException {
                DataSourceUtils.prepareConnectionForTransaction(connection, definition);
                connection.setTransactionIsolation(TransactionDefinition.ISOLATION_READ_UNCOMMITTED);
            }
        });

        return prepareTransaction(entityManager, definition.isReadOnly(), definition.getName());
    }

}
    @Bean
    public LocalContainerEntityManagerFactoryBean entityManagerFactory(
            DataSource dataSource,
            CustomHibernateJpaDialect customHibernateJpaDialect) throws SQLException {

        LocalContainerEntityManagerFactoryBean em = new LocalContainerEntityManagerFactoryBean();
        em.setDataSource(dataSource);

        JpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter();

        em.setJpaVendorAdapter(vendorAdapter);
        em.setJpaDialect(customHibernateJpaDialect);

        return em;
    }

Why and when should I use READ UNCOMMITTED isolation level in Spring transaction isolation level


Tag : spring , By : Lee KW
Date : March 29 2020, 07:55 AM
wish helps you I will start by saying that I do share the belief that it's rather hard to encounter cases where such levels of isolation are necessary. Most of the time you want to start with either REPEATABLE READ or SERIALIZABLE.

Transaction from ADO.Net in Snapshot Isolation Level in SQL Server 2008 R2 not changing to default isolation level after


Tag : chash , By : Vasiliy
Date : March 29 2020, 07:55 AM
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