GAE update different fields of the same entity

Posted by bach on Stack Overflow See other posts from Stack Overflow or by bach
Published on 2010-04-07T15:16:14Z Indexed on 2010/04/07 15:43 UTC
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Filed under:

google-app-engine

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datastore

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concurrency

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transactions

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optimistic-locking

Hi,

UserA and UserB are changing objectA.filedA objectA.filedB respectively and at the same time. Because they are not changing the same field one might think that there are no overlaps. Is that true? or the implementation of pm.makePersistnace() actually override the whole object... good to know...

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