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awitt

Post subject: Joins

Posted: Fri Jul 24, 2009 3:48 pm

Newbie

Joined: Fri Jul 24, 2009 3:19 pm
Posts: 2

Alright, I'm sorry for the stupid question, but can someone point me towards a resource that will teach me how to create a Join using the Criteria API? I cannot use QL's, I have to use objects and all that fun stuff. But I get too large a resultset back (causing a JavaHeap Overflow, memory problem) if I don't use a join. I need to filter out some of the data based on another table's attributes. So, anyways, if I could either be shown how or at least be told where to go to find out how, that'd be great.

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Urmech

Post subject: Re: Joins

Posted: Fri Jul 24, 2009 6:28 pm

Regular

Joined: Thu Apr 14, 2005 10:39 am
Posts: 115

How about reading the dokumentation?

https://www.hibernate.org/hib_docs/v3/a ... tchMode%29

Quote:

setFetchMode

public Criteria setFetchMode(String associationPath,
FetchMode mode)
throws HibernateException

Specify an association fetching strategy for an association or a collection of values.

Parameters:
associationPath - a dot seperated property path
mode - The fetch mode for the referenced association
Returns:
this (for method chaining)
Throws:
HibernateException

https://www.hibernate.org/hib_docs/v3/a ... hMode.html

Greetings Michael

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