[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-1) Optimize Hibernate for the bulk insertion of related entities
Martin Ross (JIRA)
noreply at atlassian.com
Mon Nov 27 12:43:05 EST 2006
[ http://opensource.atlassian.com/projects/hibernate/browse/HHH-1?page=comments#action_25435 ]
Martin Ross commented on HHH-1:
-------------------------------
3) seems to hold in case
Class Parent
{
int pk;
Set children;
}
Class Child
{
int pk;
Parent parent;
}
Assume Parent.children mapping is defined with inverse == true. Also assume that we extend Michael's code to examine collections instead of just merely testing with == operator.
We want Parent.compareTo(Child)==1, not -1 which is what simply testing in the relationship exists will return.
> Optimize Hibernate for the bulk insertion of related entities
> -------------------------------------------------------------
>
> Key: HHH-1
> URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-1
> Project: Hibernate3
> Type: New Feature
> Components: core
> Environment: Hibernate 1.2, MySql 3.1
> Reporter: Bradley Leupen
> Priority: Minor
>
>
> It is currently difficult to batch the creation of persistent entities that maintain associations with other entities.
> Add necessary api to hibernate to support the save or update of a collection of entities. An optimization can be applied in this scenario to group inserts / updates by entity class, or table. This will enable the hibernate engine to utilize batching if available, drastically improving performance over a network.
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