这可能无法满足您的需求,但我发现一种处理多键数据集的简单方法是创建一个对象,其中包含所有“键”字段和“值”键(每个键都可以)和然后为每个键创建查找表达式。
例如:
class MyData
{
// Your keys
public string Dim1;
public string Dim2;
public string Time;
// Your values
public string Value;
}
将被“索引”并像这样检索:
// add all your data to a list or collection
var data = new List<MyData>();
// this provides the entry point to our dataset
var lookupDim1 = data.ToLookup(d => d.Dim1);
var lookupDim2 = data.ToLookup(d => d.Dim2);
var lookupTime = data.ToLookup(d => d.Time);
// sample retrievals
IEnumerable<MyData> sampleData1 = lookupDim1["DimValue1"];
var sampleData2 = lookupDim2["DimValue2"].Intersect( lookupTime["1999"] );