159 	ulint		max_tuples,	/*!< in: maximum number of  in row_merge_buf_create_low()  argument
166 	ut_ad(max_tuples > 0);  in row_merge_buf_create_low()
168 	ut_ad(max_tuples <= srv_sort_buf_size);  in row_merge_buf_create_low()
173 	buf->max_tuples = max_tuples;  in row_merge_buf_create_low()
175 		ut_malloc(2 * max_tuples * sizeof *buf->tuples));  in row_merge_buf_create_low()
176 	buf->tmp_tuples = buf->tuples + max_tuples;  in row_merge_buf_create_low()
191 	ulint			max_tuples;  in row_merge_buf_create()  local
195 	max_tuples = srv_sort_buf_size  in row_merge_buf_create()
202 	buf = row_merge_buf_create_low(heap, index, max_tuples, buf_size);  in row_merge_buf_create()
217 	ulint		max_tuples	= buf->max_tuples;  in row_merge_buf_empty()  local
227 	buf->max_tuples = max_tuples;  in row_merge_buf_empty()
229 	buf->tmp_tuples = buf->tuples + max_tuples;  in row_merge_buf_empty()
340 	if (buf->n_tuples >= buf->max_tuples) {  in row_merge_buf_add()