[*] lightgbm updated.

Author: npatsakula

.gitmodules

@@ -1,3 +1,3 @@
 [submodule "lightgbm-upstream"]
 	path = lightgbm-sys/lightgbm
-	url = https://github.com/microsoft/LightGBM/
+	url = https://github.com/microsoft/LightGBM.git

Cargo.toml

@@ -11,9 +11,9 @@ exclude = [".gitignore", ".gitmodules", "examples", "lightgbm-sys"]
 [dependencies]
 lightgbm-sys = { path = "lightgbm-sys", version = "0.3.0" }
 libc = "0.2.81"
-derive_builder = "0.5.1"
-serde_json = "1.0.59"
-polars = {version = "0.16.0", optional = true}
+derive_builder = "0.12"
+serde_json = "1"
+polars = {version = "0.33", optional = true}
 
 
 [features]

lightgbm-sys/Cargo.toml

@@ -13,8 +13,8 @@ exclude = ["README.md", ".gitlab-ci.yml", ".hgeol", ".gitignore", ".appveyor.yml
 cuda = []
 
 [dependencies]
-libc = "0.2.81"
+libc = "0.2"
 
 [build-dependencies]
-bindgen = "0.69"
+bindgen = "0.71"
 cmake = "0.1"

src/dataset.rs

@@ -37,7 +37,6 @@ pub struct Dataset {
     pub(crate) handle: lightgbm_sys::DatasetHandle,
 }
 
-#[link(name = "c")]
 impl Dataset {
     fn new(handle: lightgbm_sys::DatasetHandle) -> Self {
         Self { handle }
@@ -199,13 +198,13 @@ impl Dataset {
 
         let (m, n) = dataframe.shape();
 
-        let label_series = &dataframe.select_series(label_col_name)?[0].cast::<Float32Type>()?;
+        let label_series = &dataframe.select_series([label_col_name])?[0].cast(&DataType::Float32)?;
 
         if label_series.null_count() != 0 {
             panic!("Cannot create a dataset with null values, encountered nulls when creating the label array")
         }
 
-        dataframe.drop_in_place(label_col_name)?;
+        let _ = dataframe.drop_in_place(label_col_name)?;
 
         let mut label_values = Vec::with_capacity(m);
 
@@ -228,7 +227,7 @@ impl Dataset {
                 panic!("Cannot create a dataset with null values, encountered nulls when creating the features array")
             }
 
-            let series = series.cast::<Float64Type>()?;
+            let series = series.cast(&DataType::Float64)?;
             let ca = series.unpack::<Float64Type>()?;
 
             ca.into_no_null_iter()

src/lib.rs

@@ -5,7 +5,6 @@ extern crate serde_json;
 #[cfg(feature = "dataframe")]
 extern crate polars;
 
-#[macro_use]
 macro_rules! lgbm_call {
     ($x:expr) => {
         Error::check_return_value(unsafe { $x })