Cosmos DB：getContextgetCollectionqueryDocuments不返回SP中的项目

如何解决Cosmos DB：getContextgetCollectionqueryDocuments不返回SP中的项目

我刚开始使用Cosmos DB，为什么不通过简单的SP查询就无法返回任何文档，我感到困惑。

这就是我所做的：

• 使用分区键“ / id”创建的Cosmos DB数据库
• 创建目录“家庭”
• 创建了两个项目：

    {
        "id": "AndersenFamily","lastName": "Andersen","parents": [
            {
                "firstName": "Thomas"
            },{
                "firstName": "Mary Kay"
            }
        ],"children": [
            {
                "firstName": "Henriette Thaulow","gender": "female","grade": 5,"pets": [
                    {
                        "givenName": "Fluffy"
                    }
                ]
            }
        ],"address": {
            "state": "WA","county": "King","city": "Seattle"
        },"creationDate": 1431620472,"isRegistered": true
    },{
        "id": "WakefieldFamily","parents": [
            {
                "familyName": "Wakefield","givenName": "Robin"
            },{
                "familyName": "Miller","givenName": "Ben"
            }
        ],"children": [
            {
                "familyName": "Merriam","givenName": "Jesse","grade": 1,"pets": [
                    {
                        "givenName": "Goofy"
                    },{
                        "givenName": "Shadow"
                    }
                ]
            },"givenName": "Lisa","grade": 8
            }
        ],"address": {
            "state": "NY","county": "Manhattan","city": "NY"
        },"creationDate": 1431620462,"isRegistered": false
    }

• 正在运行的查询“ SELECT * FROM c”将按预期返回两条记录
• 但是，SP以下的queryDocuments方法始终检索提要的零长度。为什么两个项目都没有退回？

    // SAMPLE STORED PROCEDURE
    function sample(prefix) {
        // Query documents and take 1st item.
        var isAccepted = getContext().getCollection().queryDocuments(
            getContext().getCollection().getSelfLink(),'SELECT * FROM root r',function (err,feed,options) {
            if (err) throw err;
    
            console.log("Feed length: " + feed.length);
    
            // Check the feed and if empty,set the body to 'no docs found', 
            // else take 1st element from feed
            if (!feed || !feed.length) {
                var response = getContext().getResponse();
                response.setBody('no docs found');
            }
            else {
                var response = getContext().getResponse();
                var body = { prefix: prefix,feed: feed[0] };
                response.setBody(JSON.stringify(body));
            }
        });
    
        if (!isAccepted) throw new Error('The query was not accepted by the server.');
    }

非常感谢您的帮助！

解决方法

Cosmos db中的

SP基于分区键工作，这意味着将返回分区中的所有文档，而不是跨分区的文档。您可以按照以下屏幕截图中的说明执行SP。根据官方文档 “，对于分区容器，在执行存储过程时，必须在请求选项中提供分区键值。存储过程始终限于分区键。具有不同分区的项目键值对存储过程将不可见。这也适用于触发器。“