1、聚合
db.Z3_BACKTEST.aggregate([{$match:{"strategy_id" : "test_001"}},{$unwind:"$backtest_result_overview_detail"},{$sort:{"backtest_result_overview_detail.backtest_date":-1}},{$limit:2}])
1、聚合
db.Z3_BACKTEST.aggregate([{$match:{"strategy_id" : "test_001"}},{$unwind:"$backtest_result_overview_detail"},{$sort:{"backtest_result_overview_detail.backtest_date":-1}},{$limit:2}])
![mongodb導出導入資料庫[圖]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)