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Allow JpaItemWriter to support persist rather than merge for improved performance. [BATCH-2462] #1140

spring-projects-issues opened this issue Dec 23, 2015 · 0 comments


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@spring-projects-issues spring-projects-issues commented Dec 23, 2015

Chris Cranford opened BATCH-2462 and commented

The current implementation of JpaItemWriter uses the merge function in order to write items to the JPA persistence context. This makes sense when the existence state of a record is unknown or is never considered an insert.

But there are business cases where it is known that the record being provided is always considered an insert and the writer's performance could significantly be improved by allowing the JpaItemWriter to support using persist for these use cases.

Affects: 3.0.6

Referenced from: pull request #399, and commits 229fed4

Backported to: 4.2.0.M3

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