最佳答案
let sql = "select id,omRefer_id.new1 from AT166892061D00000A.AT166892061D00000A.referChild limit 1"
var res = ObjectStore.queryByYonQL(sql);
AT166892061D00000A.AT166892061D00000A.referChild: 子表uri
omRefer_id:子表中主表的id
这样满足吗