#delete

vladmihalcea 30 Jul 2024 1 min read

Introduction In this article, we are going to see how we can use the Hibernate SoftDelete annotation to activate soft deleting for JPA entities. While, as I explained in this article, you can manually implement the soft delete mechanism using the @SQLDelete, @Loader and @Where annotations, it’s definitely much easier to just use the native Hibernate mechanism introduced in Hibernate…

hibernatedeletesoft delete

vladmihalcea 15 Nov 2023 1 min read

Introduction In this article, we are going to see how we can cascade the DELETE operation for unidirectional associations with Spring Data JPA and Hibernate events. Using Hibernate events to achieve this goal is an alternative to the bulk DELETE statement strategy, as it allows us to cascade the delete operation from a parent entity to its children when we…

hibernatespringcascadedeleteevent

vladmihalcea 26 Oct 2023 1 min read

Introduction In this article, we are going to see how to cascade DELETE the unidirectional associations with Spring Data JPA when we cannot rely on the CascadeType mechanism that propagates state transitions from parent to child entities. Domain Model Let’s consider we have the following entities in our system: The Post entity is the root of this entity hierarchy, and…

springcascadedeletejpaspring data

vladmihalcea 21 Jul 2023 1 min read

Introduction In this article, we are going to see how we can implement a soft delete mechanism when the JPA entity features a version property. If you are not using a version property for optimistic locking, then you can implement the soft delete strategy, as explained in this article. Domain Model Let’s assume we have the following Post, PostDetails, PostComment,…

hibernatedeletejpaoptimistic lockingsoft delete

lukaseder 25 Aug 2022 1 min read

Since jOOQ 3.11, implicit joins have been supported. An implicit join is a JOIN (mostly a LEFT JOIN) that is generated implicitly because of the presence of a path expression. If SQL supported the syntax natively, it would look like this: All that is is convenience for a bunch of explicitly written LEFT JOIN expressions: … Continue reading jOOQ 3.17…

jooq-developmentdeleteimplicit joinjooqupdate

Schakko 4 Jul 2010 1 min read

Hin und wieder kann es vorkommen, dass der pop3proxy der Sophos UTM (ehemals Astaro) die eingehenden E-Mails “verschluckt”. Grund dafür ist der Spamassassin, der im Hintergrund läuft und bei bestimmten E-Mails eine extrem hohe Prozessorlast verursacht. Das Verhalten habe ich jetzt einige Male bei E-Mails beobachtet, die über die Bugtraq-Mailingliste […] The post How-To: Mail-Queue in Sophos UTM pop3proxy flushen/löschen…

networkingsecurityastaroblockdelete