正如@Sajeetharan所说,azure cosmos db不支持partial updates
现在。看来团队正在积极致力于此功能。现在,您可以更新整个文档stored procedure
.
示例代码如下,供参考:
function updateSproc(id, update) {
var collection = getContext().getCollection();
var collectionLink = collection.getSelfLink();
var response = getContext().getResponse();
tryQueryAndUpdate();
function tryQueryAndUpdate(continuation) {
var query = {query: "select * from root r where r.id = @id", parameters: [{name: "@id", value: id}]};
var requestOptions = {continuation: continuation};
var isAccepted = collection.queryDocuments(collectionLink, query, requestOptions, function (err, documents, responseOptions) {
if (err) throw err;
if (documents.length > 0) {
tryUpdate(documents[0]);
} else {
throw new Error("Document not found.");
}
});
}
function tryUpdate(document) {
var requestOptions = {etag: document._etag};
var fields, i;
fields = Object.keys(update);
for (i = 0; i < fields.length; i++) {
document[fields[i]] = update[fields[i]];
}
var isAccepted = collection.replaceDocument(document._self, document, requestOptions, function (err, updatedDocument, responseOptions) {
if (err) throw err;
response.setBody(updatedDocument);
});
}
但是,Azure Cosmos DB 支持MongoDB protocol
。您可以确认支持的功能Azure 官方页面.
So,incremental operations
都支持。请参考这个link.
希望它对您有帮助。如有任何疑问,请随时告诉我。