使用OData $ select来从相关对象中挑选字段

Question

我正在使用带有OData V4的WebAPI 2.2.

我可以使用$filter=RelatedObj/PropertyName eq 'Some Value'基于相关对象属性值来过滤实体列表.

但是,当我尝试使用相同的语法时$select:

$select=Id,Name,RelatedObj/PropertyName

结果例外:

"message": "The query specified in the URI is not valid. Found a path with multiple navigation properties or a bad complex property path in a select clause. Please reword your query such that each level of select or expand only contains either TypeSegments or Properties.",
"innererror": {
"message": "Found a path with multiple navigation properties or a bad complex property path in a select clause. Please reword your query such that each level of select or expand only contains either TypeSegments or Properties.",
"type": "Microsoft.OData.Core.ODataException",

这可以解决吗？

Answer 1

您可以使用$expand和嵌套$select查询选项来完成

$select=Id,Name&$expand=RelatedObj($select=PropertyName)

请参阅ODATA文档