void trans_name2id(ObCellInfo &ci, const ObSchema &schema)
{
ci.table_id_ = schema.get_table_id();
if (NULL == ci.column_name_.ptr())
{
ci.column_id_ = OB_INVALID_ID;
}
else
{
ci.column_id_ = schema.find_column_info(ci.column_name_)->get_id();
}
}
int64_t MutatorBuilder::query_prefix_meta_(const ObSchema &schema, const bool using_id, const int64_t prefix_start, const char *column_name)
{
int64_t ret = 0;
ObGetParam get_param;
ObScanner scanner;
ObCellInfo cell_info;
if (using_id)
{
cell_info.table_id_ = schema.get_table_id();
cell_info.column_id_ = schema.find_column_info(column_name)->get_id();
}
else
{
cell_info.table_name_.assign_ptr(const_cast<char*>(schema.get_table_name()), static_cast<int32_t>(strlen(schema.get_table_name())));
cell_info.column_name_.assign_ptr(const_cast<char*>(column_name), static_cast<int32_t>(strlen(column_name)));
}
char rowkey_info_buffer[1024];
sprintf(rowkey_info_buffer, "%s%020ld", ROWKEY_INFO_ROWKEY, prefix_start);
cell_info.row_key_.assign_ptr(rowkey_info_buffer, static_cast<int32_t>(strlen(rowkey_info_buffer)));
get_param.add_cell(cell_info);
ObVersionRange version_range;
version_range.start_version_ = table_start_version_;
version_range.border_flag_.set_max_value();
version_range.border_flag_.set_inclusive_start();
get_param.set_version_range(version_range);
if (OB_SUCCESS == (ret = client_.get(get_param, scanner)))
{
CellinfoBuilder::result_set_t result_set;
::MemTank mem_tank;
while (OB_SUCCESS == scanner.next_cell())
{
ObCellInfo *ci = NULL;
if (OB_SUCCESS != scanner.get_cell(&ci))
{
break;
}
if (!using_id)
{
::trans_name2id(*ci, schema);
}
ObCellInfo *new_ci = copy_cell(mem_tank, ci);
CellinfoBuilder::merge_obj(new_ci, result_set);
}
if (0 != result_set.size())
{
ObCellInfo *ret_ci = NULL;
result_set.get(schema.find_column_info(column_name)->get_id(), ret_ci);
if (NULL != ret_ci)
{
ret_ci->value_.get_int(ret);
}
}
}
else
{
abort();
}
return ret;
}
