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Object Relational Mapping

left join fetch

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posted 16 years ago

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Hello,

What is the difference between left join and left join fetch?

For
select c from Customer c left join c.orders
and
select c from Customer c left join fetch c.orders

How result could be different?

Thanks!

Paul Sturrock

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posted 16 years ago

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Not really an EJB question. Is this a Hibernate question?

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sarah Marsh

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posted 16 years ago

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It's in EJB3.0

Paul Sturrock

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We have a specific forum for all things JPA. You are liable to get more help there. I'll get this moved for you.

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sarah Marsh

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posted 16 years ago

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Move it for me please.

sarah Marsh

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Hi, any inpput on this?

Paul Michael

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posted 16 years ago

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FETCH will load up the child collection even if it is marked as LAZY=false.

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