// ObSeqSSTableScanner stored pointer of ObScanParam but not param's value
// this usage maybe a problem when user free %param before call next_cell
// TODO: ObSeqSSTableScanner need store %param for itself.
int ObSeqSSTableScanner::set_scan_param(
const common::ObScanParam& param,
ObBlockCache& block_cache,
ObBlockIndexCache& block_index_cache,
bool not_exit_col_ret_nop)
{
int ret = OB_SUCCESS;
if (NULL == param.get_range() || param.get_range()->empty())
{
TBSYS_LOG(ERROR, "input scan param range is empty, cannot scan.");
ret = OB_INVALID_ARGUMENT;
}
else
{
if (TBSYS_LOGGER._level >= TBSYS_LOG_LEVEL_DEBUG)
{
char range_buf[OB_RANGE_STR_BUFSIZ];
param.get_range()->to_string(range_buf, OB_RANGE_STR_BUFSIZ);
TBSYS_LOG(DEBUG, "scan input param range, range=%s", range_buf);
}
block_cache_ = &block_cache;
block_index_cache_ = &block_index_cache;
scan_param_ = ¶m;
cur_iter_idx_ = 0;
cur_iter_status_ = NOT_START;
sstable_array_.clear();
not_exit_col_ret_nop_ = not_exit_col_ret_nop;
}
return ret;
}
int TaskFactory::add_columns_conf(const uint64_t table_id, common::ObScanParam & param, const TableConf *conf)
{
int ret = OB_SUCCESS;
TableConf::ColumnIterator itr = conf->column_begin();
ObString column;
while (itr != conf->column_end())
{
const char *column_name = *itr;
if (conf->is_null_column(column_name) || conf->is_rowkey(column_name))
{
itr++;
continue;
}
TBSYS_LOG(DEBUG, "columns with conf, column = %s", column_name);
column.assign(const_cast<char *>(*itr), (int32_t)strlen(column_name));
ret = param.add_column(column);
if (ret != OB_SUCCESS)
{
TBSYS_LOG(ERROR, "add column failed:table[%lu], column[%s], ret[%d]",
table_id, column_name, ret);
ret = OB_ERROR;
break;
}
itr++;
}
return ret;
}
int ObChunkServerMergerProxy::cs_scan(const common::ObScanParam & scan_param,
mergeserver::ObMergerTabletLocation & addr,
common::ObScanner & scanner,
common::ObIterator * &it_out)
{
int ret = OB_SUCCESS;
ObCellInfo cell_ext;
UNUSED(addr);
it_out = NULL;
cell_array_.clear();
if ((ret = cs_reader_.scan(scan_param)) != OB_SUCCESS)
{
TBSYS_LOG(DEBUG,"scan chunkserver failed");
}
else
{
it_out = &cs_reader_;
}
if (OB_SUCCESS == ret)
{
cell_ext.column_id_ = 2; //meaninglessness,just to suppress the scanner warn log
cell_ext.table_id_ = scan_param.get_table_id();
cell_ext.row_key_ = scan_param.get_range()->end_key_;
scanner.clear();
scanner.set_range(*scan_param.get_range());
//data version
scanner.set_data_version(scan_param.get_version_range().start_version_);
scanner.set_is_req_fullfilled(true,1);
if ( (ret = scanner.add_cell(cell_ext)) != OB_SUCCESS)
{
TBSYS_LOG(DEBUG,"add cell failed(%d)",ret);
}
}
TBSYS_LOG(DEBUG," merger proxy ret [%d]",ret);
return ret;
}