feat: add missing functions to FunctionInfo

src/function_info.rs

@@ -1,7 +1,7 @@
 use crate::as_string;
 use crate::duckly::{
-    duckdb_function_get_bind_data, duckdb_function_get_init_data, duckdb_function_info,
-    duckdb_function_set_error,
+    duckdb_function_get_bind_data, duckdb_function_get_extra_info, duckdb_function_get_init_data,
+    duckdb_function_get_local_init_data, duckdb_function_info, duckdb_function_set_error,
 };
 use std::os::raw::c_char;
 
@@ -18,11 +18,36 @@ impl FunctionInfo {
             duckdb_function_set_error(self.0, as_string!(error));
         }
     }
+    /// Gets the bind data set by [`BindInfo#set_bind_data`] during the bind.
+    ///
+    /// Note that the bind data should be considered as read-only.
+    /// For tracking state, use the init data instead.
+    ///
+    /// # Arguments
+    /// * `returns`: The bind data object
     pub fn get_bind_data<T>(&self) -> *mut T {
-        unsafe { duckdb_function_get_bind_data(self.0) as *mut T }
+        unsafe { duckdb_function_get_bind_data(self.0).cast() }
     }
+    /// Gets the init data set by [`InitInfo#set_init_data`] during the init.
+    ///
+    /// # Arguments
+    /// * `returns`: The init data object
     pub fn get_init_data<T>(&self) -> *mut T {
-        unsafe { duckdb_function_get_init_data(self.0) as *mut T }
+        unsafe { duckdb_function_get_init_data(self.0).cast() }
+    }
+    /// Retrieves the extra info of the function as set in [`TableFunction#set_extra_info`]
+    ///
+    /// # Arguments
+    /// * `returns`: The extra info
+    pub fn get_extra_info<T>(&self) -> *mut T {
+        unsafe { duckdb_function_get_extra_info(self.0).cast() }
+    }
+    /// Gets the thread-local init data set by [`InitInfo#set_init_data`] during the local_init.
+    ///
+    /// # Arguments
+    /// * `returns`: The init data object
+    pub fn get_local_init_data<T>(&self) -> *mut T {
+        unsafe { duckdb_function_get_local_init_data(self.0).cast() }
     }
 }