#update code

Author: yutiansut

qapro-rs/examples/backtest.rs

@@ -26,7 +26,7 @@ async fn main() {
     sw.restart();
     let rank4 = qfq
         .data
-        .sort("date", false)
+        .sort(["date"], false)
         .unwrap()
         .lazy()
         .groupby([col("order_book_id")])

qapro-rs/examples/factorplayground.rs

@@ -73,11 +73,11 @@ async fn main() {
 
     sw.restart();
     let rank = data_with_factor
-        .groupby("date")
+        .groupby(["date"])
         .unwrap()
-        .apply(|x| Ok(x.sort("factor", true).unwrap().head(Some(40))))
+        .apply(|x| Ok(x.sort(["factor"], true).unwrap().head(Some(40))))
         .unwrap()
-        .sort(&["date", "order_book_id"], false)
+        .sort(["date", "order_book_id"], false)
         .unwrap();
 
     println!("analysis factor_data time {:#?}", sw.elapsed());
@@ -90,7 +90,7 @@ async fn main() {
     sw.restart();
 
     let rank4 = rank
-        .sort("date", false)
+        .sort(["date"], false)
         .unwrap()
         .lazy()
         .groupby([col("order_book_id")])

qapro-rs/examples/getdataadv.rs

@@ -44,14 +44,14 @@ async fn main() {
 
     println!(
         "groupby test {:#?}",
-        data.data.groupby("date").unwrap().select("close").mean()
+        data.data.groupby(["date"]).unwrap().select(["close"]).mean()
     );
     println!(
         "groupby test {:#?}",
         data.data
-            .groupby("order_book_id")
+            .groupby(["order_book_id"])
             .unwrap()
-            .select("close")
+            .select(["close"])
             .mean()
     );