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A race condition happened when the object didn't already exist and another process/thread created the object before update_or_create() did and then attempted to update the object, also before update_or_create() saved the object. The update by the other process/thread could be lost.
14 lines
299 B
Plaintext
14 lines
299 B
Plaintext
============================
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Django 1.11.16 release notes
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============================
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*Expected September 1, 2018*
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Django 1.11.16 fixes a data loss bug in 1.11.15.
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Bugfixes
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========
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* Fixed a race condition in ``QuerySet.update_or_create()`` that could result
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in data loss (:ticket:`29499`).
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