[nhibernate-issues] [NHJIRA] Commented: (NH-1001) Select statement issued for each not-found=ignore

[Data H. (JIRA) <nh...@gm...>]

    [ http://216.121.112.228/browse/NH-1001?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=20594#action_20594 ] 

Data Hero commented on NH-1001:
-------------------------------

Version 2.1.2.4000 is also affected

> Select statement issued for each not-found=ignore
> -------------------------------------------------
>
>                 Key: NH-1001
>                 URL: http://216.121.112.228/browse/NH-1001
>             Project:  NHibernate
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 1.2.0.GA
>            Reporter: Tomer Avissar
>            Priority: Minor
>         Attachments: HRNHibernateTest.zip
>
>
> When using the not-found=ignore attribute in a one-to-many/many-to-many, NHibernate is issuing a query for every element not found in the collection, even when using an outer join. 
> In some cases this causes a significant performance overhead.

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