rc_t ShoreYCSBEnv::xct_populate_db(const int /* xct_id */, populate_db_input_t& pin)
{
assert (_pssm);
assert (_initialized);
tuple_guard<ycsbtable_man_impl> tuple(ycsbtable_man);
rep_row_t areprow(ycsbtable_man->ts());
rep_row_t areprowkey(ycsbtable_man->ts());
areprow.set(ycsbtable_man->table()->maxsize());
areprowkey.set(ycsbtable_man->table()->maxsize());
tuple->_rep = &areprow;
tuple->_rep_key = &areprowkey;
W_DO(db()->begin_xct());
uint64_t key = pin.firstKey;
char field[FieldSize];
for (unsigned i = 0; i < pin.count; i++) {
tuple->set_value(0, key);
for (int j = 1; j <= FieldCount; j++) {
fill_value(field);
tuple->set_value(j, field);
}
W_DO(ycsbtable_man->add_tuple(_pssm, tuple));
key++;
}
W_DO(db()->commit_xct());
return RCOK;
}
rc_t ShoreYCSBEnv::xct_read(const int /* xct_id */, read_input_t& pin)
{
assert (_pssm);
assert (_initialized);
assert (_loaded);
tuple_guard<ycsbtable_man_impl> tuple(ycsbtable_man);
rep_row_t areprow(ycsbtable_man->ts());
rep_row_t areprowkey(ycsbtable_man->ts());
areprow.set(ycsbtable_man->table()->maxsize());
areprowkey.set(ycsbtable_man->table()->maxsize());
tuple->_rep = &areprow;
tuple->_rep_key = &areprowkey;
// Probe index for given key
W_DO(ycsbtable_man->index_probe(_pssm, tuple, pin.key));
// Copy fields into local variables, just to "do something" with the tuple
uint64_t key;
char values[10][FieldSize];
tuple->get_value(0, key);
for (int i = 0; i < 10; i++) {
tuple->get_value(i+1, values[i], FieldSize);
}
return RCOK;
}
w_rc_t table_man_t<T>::fetch_table(ss_m* db, lock_mode_t /* alm */)
{
assert (db);
assert (_ptable);
bool eof = false;
int counter = -1;
table_row_t* tuple = get_tuple();
rep_row_t areprow(ts());
rep_row_t areprow_key(ts());
areprow.set(_ptable->maxsize());
areprow_key.set(_ptable->maxsize());
tuple->_rep = &areprow;
tuple->_rep_key = &areprow_key;
W_DO(db->begin_xct());
// 1. scan the table
table_scan_iter_impl<T> t_scan(this);
while(!eof) {
W_DO(t_scan.next(eof, *tuple));
counter++;
}
TRACE( TRACE_ALWAYS, "%s:%d pages\n", _ptable->name(), counter);
// 2. scan the indexes
for (auto index : _ptable->get_indexes()) {
index_scan_iter_impl<T> i_scan(index, this);
eof = false;
counter = -1;
while(!eof) {
W_DO(i_scan.next(eof, *tuple));
counter++;
}
TRACE( TRACE_ALWAYS, "\t%s:%d pages\n", index->name().c_str(), counter);
}
W_DO(db->commit_xct());
give_tuple(tuple);
return RCOK;
}
rc_t ShoreYCSBEnv::xct_update(const int /* xct_id */, update_input_t& pin)
{
assert (_pssm);
assert (_initialized);
assert (_loaded);
tuple_guard<ycsbtable_man_impl> tuple(ycsbtable_man);
rep_row_t areprow(ycsbtable_man->ts());
rep_row_t areprowkey(ycsbtable_man->ts());
areprow.set(ycsbtable_man->table()->maxsize());
areprowkey.set(ycsbtable_man->table()->maxsize());
tuple->_rep = &areprow;
tuple->_rep_key = &areprowkey;
// Probe index for given key
W_DO(ycsbtable_man->index_probe_forupdate(_pssm, tuple, pin.key));
// Update value of given field
w_assert1(pin.field_number <= FieldCount);
w_assert1(pin.field_number > 0);
tuple->set_value(pin.field_number, pin.value);
W_DO(ycsbtable_man->update_tuple(_pssm, tuple));
return RCOK;
}
