Recent questions tagged Transactions

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transactions - Grails - Saving multiple object, Rollback all object if one fails to save

I need to save multiple object at once, and rollback all if one object fails to save. For example : class ... (vice versa). Any ideas? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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transactions - Ethereum. Is there a way to know the storage space needed by my smart contract?

How can I quantify how much storage space (approximately) do I need for Ethereum transactions? Is it per function/ ... by my smart contract... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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transactions - Spring @Transactional rollbackFor not working

I have a code like below public abstract class AffltTransactionService implements IAffltTransactionService { .... @Override ... you please help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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transactions - MySQL InnoDB dead lock on SELECT with exclusive lock (FOR UPDATE)

I do this to ensure only once instance of this process is running (pseudo code php/mysql innodb): START ... is "timeout", not deadlock. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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transactions - How to rename two tables in one atomic operation in MySQL

I need to rename two tables in one atomic operation so that user will never be able to see the database ... the current in one atomic operation See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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477 views

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transactions - select_for_update in development Django

The Django documentation states that: If you were relying on automatic transactions to provide locking between ... function was called? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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519 views

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transactions - spring 3.1: jdbcTemplate auto commit to false.

Hi Is their a way to set autocommit to false in spring jdbctemplate. The thing is instead of transaction (where their ... fail --> (no commit). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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transactions - Deadlocks in PostgreSQL when running UPDATE

I'm a little bit confused reading about PostgreSQL deadlocks. A typical deadlock example is: -- Transaction 1 ... condition? Thanks in advance! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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transactions - CQRS: Storing events and publishing them - how do I do this in a safe way?

As I've learned in Why is the CQRS repository publishing events, not the event store? it's the CQRS ... a recommended pattern to use? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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transactions - Multiple SaveChanges calls in entity framework

I am building my own custom repository, based on entity framework, and I'm creating some extension methods that ... sort of transaction commit? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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523 views

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transactions - MySQL InnoDB: Difference Between `FOR UPDATE` and `LOCK IN SHARE MODE`

What is the exact difference between the two locking read clauses: SELECT ... FOR UPDATE and SELECT ... LOCK IN ... to use one over the other? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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394 views

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transactions - Is SQL Server Bulk Insert Transactional?

If I run the following query in SQL Server 2000 Query Analyzer: BULK INSERT OurTable FROM 'c:OurTable.txt' WITH ... it to rollback on failure? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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347 views

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transactions - spring transactional cpool. Which one do I use?

I originally set up spring with xapool, but it turns out that's a dead project and seems to have lots of ... idea what the problem is here. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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296 views

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transactions - Javacard - power loss during garbage collection

I noticed some very strange behaviour on my smartcards (NXP J2E145, J3A081, J3C145 with an Omnikey 5121 reader): A ... of an I/O device error. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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275 views

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transactions - Does MySQL/InnoDB implement true serializable isolation?

It is not entirely clear from MySQL documentation whether the InnoDB engine implements true serializable isolation1 or ... further detail here. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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455 views

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transactions - Row insertion order entity framework

I'm using a transaction to insert multiple rows in multiple tables. For these rows I would like to add these ... a transaction for all entries. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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325 views

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transactions - JPA and optimistic locking modes

I read an article on the blog of Oracle here about JPA and locking modes. I don't entirely understand ... rather than OPTIMISTIC mode? Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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309 views

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transactions - MySQL 'select for update' behaviour

As per the MySql documentation, MySql supports Multiple granularity locking(MGL). case-1 Opened terminal-1: // ... . Why is this behavior? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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519 views

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transactions - Are PostgreSQL functions transactional?

Is a PostgreSQL function such as the following automatically transactional? CREATE OR REPLACE FUNCTION ... function transactional? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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651 views

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transactions - Can I access Datastore entities of my other Google App Engine Applications

As we know, in Google App engine, for each registered email account, we are allowed to make 10 applications. Now ... yes, how is it implemented? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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498 views

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transactions - Does Java Connection.close rollback?

Does Java Connection.close rollback into a finally block?. I know .Net SqlConnection.close does it. With this I could ... { conn.close(); } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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