Function LGBM_DatasetCreateByReference 

pub unsafe extern "C" fn LGBM_DatasetCreateByReference(
    reference: DatasetHandle,
    num_total_row: i64,
    out: *mut DatasetHandle,
) -> c_int

Allocate the space for dataset and bucket feature bins according to reference dataset.

Arguments

• reference - Used to align bin mapper with other dataset
• num_total_row - Number of total rows
• out (direction out) - Created dataset

Returns

0 when succeed, -1 when failure happens