Question

我删除了数据存储区中的大量对象要求（约7000个）。每个对象都有一个与之关联的blob，由a引用字符串（blob键）。

你可能已经猜到了，我忘了删除那些blob。现在我没有任何参考，但我想删除它们。我似乎找不到办法做到这一点。任何帮助将不胜感激。

的更新找到了解决方案。

DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();
BlobstoreService blobstoreService = BlobstoreServiceFactory.getBlobstoreService();
List<BlobInfo> blobsToCheck = new LinkedList<BlobInfo>(); 
Iterator<BlobInfo> iterator = null;
if(afterBlobKey == null){
    iterator = new BlobInfoFactory().queryBlobInfos();
}else{
    iterator = new BlobInfoFactory().queryBlobInfosAfter(new BlobKey(afterBlobKey));
}

while(iterator.hasNext()){

    blobsToCheck.add(iterator.next());

}

//Check those blobs if they have reference in datastore
//Delete using blobstoreService.delete(blobKey);

Answer 1

UPDATE 找到解决方案，BlobInfoFactory（）。queryBlobInfos（）就是我要找的。

    DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();
    BlobstoreService blobstoreService = BlobstoreServiceFactory.getBlobstoreService();
    List<BlobInfo> blobsToCheck = new LinkedList<BlobInfo>(); 
    Iterator<BlobInfo> iterator = null;
    if(afterBlobKey == null){
        iterator = new BlobInfoFactory().queryBlobInfos();
    }else{
        iterator = new BlobInfoFactory().queryBlobInfosAfter(new BlobKey(afterBlobKey));
    }

    while(iterator.hasNext()){

        blobsToCheck.add(iterator.next());

    }

    //Check those blobs if they have reference in datastore
    //Delete using blobstoreService.delete(blobKey);

删除appengine blobstore中的孤立blob

1 个答案: