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= 6.3 Migration Guide
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:toc:
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:toclevels: 4
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:docsBase: https://docs.jboss.org/hibernate/orm
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:versionDocBase: {docsBase}/6.3
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:userGuideBase: {versionDocBase}/userguide/html_single/Hibernate_User_Guide.html
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:javadocsBase: {versionDocBase}/javadocs
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This guide discusses migration to Hibernate ORM version 6.3. For migration from
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earlier versions, see any other pertinent migration guides as well.
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* link:{docsBase}/6.2/migration-guide/migration-guide.html[6.2 Migration guide]
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* link:{docsBase}/6.1/migration-guide/migration-guide.html[6.1 Migration guide]
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* link:{docsBase}/6.0/migration-guide/migration-guide.html[6.0 Migration guide]
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2023-06-22 06:00:09 -04:00
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[[batch-fetching-changes]]
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== Batch Fetching and LockMode
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When LockMode is greater than READ Hibernate does not execute the batch fetching so existing uninitialized proxies will not be initialized.
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This because the lock mode is different from the one of the proxies in the batch fetch queue.
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E.g.
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`
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MyEntity proxy = session.getReference( MyEntity.class, 1 );
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MyEntity myEntity = session.find(MyEntity.class, 2, LockMode.WRITE);
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`
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only the entity with id equals to 2 will be loaded but the proxy will not be initialized.
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