Question

在下面提到的查询中，当我尝试使用project1＆＃34;完成＆＃34;和＆＃34; planFinish＆＃34; to project2 and conversion＆＃34; String＆＃34;约会到＃34; IsoDate＆＃34;它的显示＆＃34; QUERY [thread1]错误：ISO日期无效＆＃34;

db.prOrder.aggregate(
[
{$match:{"enterpriseBid":"abc","prodOrderLineItems.planFinishDate":{$exists:true}}
},
//Stage2
{$unwind:{path:"$prodOrderLineItems",preserveNullAndEmptyArrays:false}},
//Stage3
{$project:{prodOrderNumber:1,enterpriseBid:1,
 "planFinish":{$dateToString:{format:"%Y-%m-%d",date:"$prodOrderLineItems.planFinishDate"}},
  "finish":{$dateToString:{format:"%Y-%m-%d",
    date:{$cond:[{"$ne":["$prodOrderLineItems.finishDate",null]},"$prodOrderLineItems.finishDate",new ISODate()]}}}}
},
//Stage5
{$project:{prodOrderNumber:1,"enterpriseBid":1,"orderNumber":1,"finish":1,
  "planFinish":1,"dateComp":{"$cmp":[ISODate("$planFinish"), ISODate("$finish")]}}
},
//Stage6
{$match:{"dateComp":-1}
},
{$group:{"_id":{"orderNumber":"$prodOrderNumber","finish":"$finish","planFinish":"$planFinish"}}}
]
).forEach(function(doc){

printjson(doc);


});

Answer 1

我得到了这个解决方案并且工作正常

//Stage5
{$project:{"orderNumber":1,"lastShipDate":1,"promisedShipDate":1,"dateComp":{"$cmp":[{
     type:Date,
     default:"$promisedShipDate"}, 
     {type:Date ,default:"$lastShipDate"}
 ]}}},

Mongo DB聚合不支持ISO日期转换

1 个答案: