| 46 | } |
| 47 | |
| 48 | void DataProvider::Reset(int num_rows, int batch_size, const vector<DataProvider::ColDesc>& cols) { |
| 49 | num_rows_ = num_rows; |
| 50 | batch_size_ = batch_size; |
| 51 | rows_returned_ = 0; |
| 52 | row_size_ = 0; |
| 53 | cols_ = cols; |
| 54 | for (int i = 0; i < cols_.size(); ++i) { |
| 55 | row_size_ += cols[i].bytes; |
| 56 | } |
| 57 | data_.reset(new char[row_size_ * batch_size_]); |
| 58 | COUNTER_SET(bytes_generated_, 0); |
| 59 | } |
| 60 | |
| 61 | void DataProvider::SetSeed(int seed) { |
| 62 | rand_generator_.seed(seed); |