schema methods to table

Runtime/safe-ds/safe_ds/data/_table.py

@@ -20,6 +20,7 @@
     UnknownColumnNameError,
 )
 
+from ._column_type import ColumnType
 from ._column import Column
 from ._row import Row
 from ._table_schema import TableSchema
@@ -594,7 +595,8 @@ def add_rows(self, rows: Union[list[Row], Table]) -> Table:
 
     def has_column(self, column_name: str) -> bool:
         """
-        Returns if the table contains a given column
+        Alias for self.schema.hasColumn(column_name: str) -> bool.
+        Returns if the table contains a given column.
 
         Parameters
         ----------
@@ -641,14 +643,37 @@ def list_columns_with_non_numerical_values(self) -> list[Column]:
 
     def get_column_names(self) -> list[str]:
         """
-        Get a list of the ordered column names
+        Alias for self.schema.get_column_names() -> list[str].
+        Returns a list of all column names saved in this schema
 
         Returns
         -------
-        result: list[str]
-            Order Column names
+        column_names: list[str]
+            the column names
         """
-        return list(self.schema._schema.keys())
+        return self.schema.get_column_names()
+
+    def get_type_of_column(self, column_name: str) -> ColumnType:
+        """
+        Alias for self.schema.get_type_of_column(column_name: str) -> ColumnType.
+        Returns the type of the given column.
+
+        Parameters
+        ----------
+        column_name : str
+            The name of the column you want the type of
+
+        Returns
+        -------
+        type: ColumnType
+            The type of the column
+
+        Raises
+        ------
+        ColumnNameError
+            If the specified target column name doesn't exist
+        """
+        return self.schema.get_type_of_column(column_name)
 
     def sort_columns(
         self,