我在CosmosDB查询资源管理器上执行了以下查询。Azure CosmosDB查询资源管理器结果与Azure函数结果之间的差异
SELECT c.id, c.created_at FROM c
WHERE c.created_at_epoch <= 1499871600 - 86400*31
AND (CEILING(1499871600/86400) - CEILING(c.created_at_epoch/86400)) % 31 = 0
结果如下。
[
{
"id": "70251cbf-44b3-4cd9-991f-81127ad78bca",
"created_at": "2017-05-11 18:46:16"
},
{
"id": "0fa31de2-4832-49ea-a0c6-b517d64ede85",
"created_at": "2017-05-11 18:48:22"
},
{
"id": "b9959d15-92e7-41c3-8eff-718c4ab2be6e",
"created_at": "2017-05-11 19:01:43"
}
]
看起来这个问题不存在。
接下来,我将静态定义的epoch值替换为占位符,以将其用作Azure函数DocumentDB输入绑定的sqlQuery。然后,我取代一个调制符号到%modulationsymbol%
用于避免this issue
SELECT c.id, c.created_at FROM c
WHERE c.created_at_epoch <= {epoch} - 86400*31
AND (CEILING({epoch}/86400) - CEILING(c.created_at_epoch/86400)) %modulationsymbol% 31 = 0
我定义modulationsymbol = %
作为应用程序的设置。
然后,我所指定的功能如下。
// index.js
module.exports = function (context, myQueueItem) {
context.log(context.bindings.members, myQueueItem);
context.done();
};
// function.json
{
"bindings": [
{
"name": "myQueueItem",
"type": "queueTrigger",
"direction": "in",
"queueName": "myqueue",
"connection": "MYSTORAGE"
},
{
"type": "documentDB",
"name": "members",
"databaseName": "myproject-db",
"collectionName": "member",
"sqlQuery": "SELECT c.id, c.created_at FROM c WHERE {epoch} - c.created_at_epoch >= 86400*31 AND (CEILING({epoch}/86400) - CEILING(c.created_at_epoch/86400)) %modulationsymbol% 31 = 0",
"connection": "MYCOSMOSDB",
"direction": "in"
}
],
"disabled": true
}
之后,我触发了该功能,结果如下。
2017-07-05T03:57:29.640 Function started (Id=d980521e-d23a-4bda-a730-57a236bcd011)
2017-07-05T03:57:30.594 [] { epoch: 1499871600 }
2017-07-05T03:57:30.594 Function completed (Success, Id=d980521e-d23a-4bda-a730-57a236bcd011, Duration=951ms)
看起来context.bindings.members
是一个空的列表。它不同于CosmosDB Query Explorer的结果。
为什么出现这种差异?
我明白了,谢谢。但脚本资源管理器不存在于我的资源中。 ![CosmosDB刃的快照(https://wo1xyw.bn1303.livefilestore.com/y4mqQudG0QUSljYoqClYpqVI2q9xmWS9Qow1BXnrDc8affQPlO831trFXTPLAc3HSAw6hKVm5gdSQCT9TyEHCrNCYTQkudgS2c-h_sQcaqWrn0xcv7heMAtt9BsnxRbxqmxZXY0dVqi2fSJQiiVkfw-KouSo62JE2PvP28os2yF8UvPmMib5I3NNQr9_EosgbYq_ZrG4k1IgGIV36CoKZsqKg?width = 214&height = 272&cropmode = none) – ytnobody
您是否在使用不支持UDF的Azure MongoDB?我在我身边尝试的是Azure DocumentDB。 – Amor
我也编辑我的回复提供C#版本的解决方法。 – Amor