feature_column.py 文件源码

def insert_transformed_feature(self, columns_to_tensors):
    """Handles sparse column to id conversion."""
    sparse_id_values = math_ops.mod(columns_to_tensors[self.name].values,
                                    self.bucket_size,
                                    name="mod")
    columns_to_tensors[self] = ops.SparseTensor(
        columns_to_tensors[self.name].indices, sparse_id_values,
        columns_to_tensors[self.name].shape)