Mercurial > hg > orthanc

comparison OrthancServer/Sources/Database/StatelessDatabaseOperations.cpp @ 5464:38f1d06875ad pg-transactions

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delete attachment in case of same instance being uploaded multiple times at the same time
author Alain Mazy <am@osimis.io>
date Tue, 12 Dec 2023 17:20:10 +0100
parents 06eb8bc9f024
children dceed5e3d6a9
comparison
equal deleted inserted replaced
5459:46ed738c3e5d 5464:38f1d06875ad
3155 { 3155 {
3156 // Note that, sometime, it does not create a new instance, 3156 // Note that, sometime, it does not create a new instance,
3157 // in very rare occasions in READ COMMITTED mode when multiple clients are pushing the same instance at the same time, 3157 // in very rare occasions in READ COMMITTED mode when multiple clients are pushing the same instance at the same time,
3158 // this thread will not create the instance because another thread has created it in the meantime. 3158 // this thread will not create the instance because another thread has created it in the meantime.
3159 // At the end, there is always a thread that creates the instance and this is what we expect. 3159 // At the end, there is always a thread that creates the instance and this is what we expect.
3160 throw OrthancException(ErrorCode_InternalError, HttpStatus_409_Conflict, "No new instance while overwriting; this might happen if another client has pushed the same instance at the same time."); 3160
3161 // Note, we must delete the attachments that have already been stored from this failed insertion (they have not yet been added into the DB)
3162 throw OrthancException(ErrorCode_DuplicateResource, "No new instance while overwriting; this might happen if another client has pushed the same instance at the same time.");
3161 } 3163 }
3162 } 3164 }
3163 else 3165 else
3164 { 3166 {
3165 // Do nothing if the instance already exists and overwriting is disabled 3167 // Do nothing if the instance already exists and overwriting is disabled