void build_scanner(ObIterator &iter, ObScanner &scanner, char *buffer, const int64_t buf_len, int64_t &pos)
{
ObCellInfo *ci = NULL;
while(OB_SUCCESS == iter.next_cell())
{
if (OB_SUCCESS == iter.get_cell(&ci)
&& NULL != ci)
{
scanner.add_cell(*ci);
}
}
scanner.serialize(buffer, buf_len, pos);
}
int ObGetScanProxy::fill_compact_data(ObIterator& iterator,ObScanner& scanner)
{
int ret = OB_SUCCESS;
ObCellInfo* cell = NULL;
bool is_row_changed = false;
while (OB_SUCCESS == (ret = iterator.next_cell()))
{
ret = iterator.get_cell(&cell,&is_row_changed);
if (OB_SUCCESS != ret || NULL == cell)
{
TBSYS_LOG(WARN, "failed to get cell, cell=%p, err=%d", cell, ret);
}
else
{
ret = scanner.add_cell(*cell, false, is_row_changed);
if (OB_SIZE_OVERFLOW == ret)
{
//TODO
TBSYS_LOG(INFO, "ObScanner size full, cannot add any cell.");
scanner.rollback();
ret = OB_SUCCESS;
break;
}
else if (OB_SUCCESS != ret)
{
TBSYS_LOG(WARN, "failed to add cell to scanner, ret=%d", ret);
}
}
if (OB_SUCCESS != ret)
{
break;
}
}
if (OB_ITER_END == ret)
{
ret = OB_SUCCESS;
}
else if (OB_SUCCESS != ret)
{
TBSYS_LOG(WARN, "retor occurs while iterating, ret=%d", ret);
}
return ret;
}
