根据我的测试结果,seriesMasterId只有两个选择(null或id),不为null的id在同一个查询中将具有相同的值:{“@odata.etag”:“”,“id”: "", "subject": "Xaml Consulting Lunch", "seriesMasterId": "AAMkADQ5OWMzMGEwLTg4ZjktNDk1Ny05NzFmLWRhZjg4ODU0YzUwYwBGAAAAAACtqDzk9UzLSpZsdesjndr1BwCjlNm_4oJfQqC8bkoOkcE6AAAAVvspAADOQt_-TwFOSKPNYFfSAG7oAACPgVuHAAA=", "type": "occurrence" },{ "@odata.etag"", "id": "", " subject": "已取消:Cosmos DB 实验 - 每周 ", "seriesMasterId": "AAMkADQ5OWMzMGEwLTg4ZjktNDk1Ny05NzFmLWRhZjg4ODU0YzUwYwBGAAAAAACtqDzk9UzLSpZsdesjndr1BwCjlNm_4oJfQqC8bkoOkcE6AAAAVvspAADOQt_-TwFOSKPNYFfSAG7oAAByPWvdAAA=", "type": "occurrence"}
来自旧官方文档的演示数据也显示了相同的结果: https ://docs.microsoft.com/en-us/previous-versions/office/office-365-api/how-to/sync-calendar-view
所以我们可以猜到,PG没有对seriesMasterId的进一步处理,你可以试试下面的过滤器:$filter=type eq 'occurrence'