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比方说,我已经嚣文件复杂查询过滤
"Id" : "lot1",
"Fruits" : [
[{ "Id": "fruit1", "Name": "apple"}, { "Id": "fruit2", "Name": "carrot"}]
[{ "Id": "fruit3", "Name": "banana"}]
]
问:我如何可以查询水果的名称列表的水果阵列?
我已经试过这样:
var fruitNames = new List<string>(){ "apple", "banana" };
var builder = Builders<Lot>.Filter;
var filter = builder.AnyIn(l => l.Fruits.Select(f => f.Name), fruitNames); //TAKE 1
var filter = builder.Where(l => l.Fruits.Select(f => f.Name).Any(f => fruitNames.Contains(f)));//TAKE 2
var filter = builder.AnyIn("Fruits.Name", fruitNames);//TAKE 3
var results = mongoContext.Lots.Find(filter).ToList();
我没有成功这3种方法都试过了。
如果当前的“水果”阵列将是一个奇异的物体,会怎么查询修改? var filter = Builder .In(l => l.Fruits.Name,fruitNames); //不起作用 –
Misi
你整理了一下还是需要帮助@Misi? – BOR4