本文整理汇总了C++中ObScanner::get_row_num方法的典型用法代码示例。如果您正苦于以下问题：C++ ObScanner::get_row_num方法的具体用法？C++ ObScanner::get_row_num怎么用？C++ ObScanner::get_row_num使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ObScanner的用法示例。
在下文中一共展示了ObScanner::get_row_num方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: get_compact_scanner
int ObGetScanProxy::get_compact_scanner(const ObGetParam& get_param,
ObScanner& orig_scanner,ObScanner& compact_scanner)
{
ObTabletManager::ObGetThreadContext*& get_context = tablet_manager_.get_cur_thread_get_contex();
const ObGetParam::ObRowIndex* row_index = get_param.get_row_index();
int64_t row_num = orig_scanner.get_row_num();
ColumnFilter* cf = GET_TSI_MULT(ColumnFilter,TSI_CS_COLUMNFILTER_1);
ObTablet* tablet = NULL;
int ret = OB_SUCCESS;
ObRowkey rowkey;
if ((NULL == get_context) || (NULL == row_index) || (NULL == cf))
{
TBSYS_LOG(WARN,"get thread context of get failed");
ret = OB_ERROR;
}
else
{
int64_t compactsstable_version = get_context->min_compactsstable_version_;
if (ObVersion::compare(compactsstable_version,orig_scanner.get_data_version()) > 0)
{
compact_scanner.set_data_version(compactsstable_version);
for(int64_t i=0; (i < row_num) && (OB_SUCCESS == ret); ++i)
{
tablet = get_context->tablets_[i];
rowkey = get_param[row_index[i].offset_]->row_key_;
build_get_column_filter(get_param,row_index[i].offset_,row_index[i].size_,*cf);
if ((tablet != NULL) &&
(ret = get_compact_row(*tablet,rowkey,compactsstable_version,cf,compact_scanner)) != OB_SUCCESS)
{
TBSYS_LOG(WARN,"get data from compactsstable failed,ret=%d",ret);
}
}
}
}
return ret;
}示例2: buf
//.........这里部分代码省略.........
cell.column_name_ = column_name[k].get_obstring();
cell.value_.set_int(1);
scanner.add_cell(cell);
}
}
}
ObScanner::RowIterator it = scanner.row_begin();
ASSERT_EQ(it == scanner.row_begin(), true);
for (int i = 0; i < table_num; i++)
{
for (int j = 0; j < row_num; j++)
{
ObCellInfo *row;
int64_t num = 0;
ASSERT_EQ(OB_SUCCESS, scanner.next_row());
ASSERT_EQ(OB_SUCCESS, scanner.get_row(&row, &num));
ASSERT_EQ(column_num, num);
}
}
ASSERT_EQ(OB_ITER_END, scanner.next_row());
buffer buf(1 << 21);
scanner.serialize(buf.ptre(), buf.capacity(), buf.length());
printf("%ld\n", buf.length());
ObScanner dscanner;
int64_t pos = 0;
dscanner.deserialize(buf.ptre(), buf.length(), pos);
for (int i = 0; i < table_num; i++)
{
for (int j = 0; j < row_num; j++)
{
ObCellInfo *row;
int64_t num = 0;
ASSERT_EQ(OB_SUCCESS, dscanner.next_row());
ASSERT_EQ(OB_SUCCESS, dscanner.get_row(&row, &num));
ASSERT_EQ(column_num, num);
}
}
ASSERT_EQ(OB_ITER_END, dscanner.next_row());
scanner.clear();
scanner.set_mem_size_limit(256);
int j = 0, k = 0;
int err = OB_SUCCESS;
for (; j < row_num; j++)
{
for (k = 0; k < column_num; k++)
{
ObCellInfo cell;
cell.table_name_ = table_name[0].get_obstring();
cell.row_key_ = row_key[j].get_obstring();
cell.column_name_ = column_name[k].get_obstring();
cell.value_.set_int(1);
if (OB_SUCCESS != (err = scanner.add_cell(cell)))
{
break;
}
}
if (OB_SUCCESS != err)
{
break;
}
}
if (OB_SUCCESS != err)
{
scanner.rollback();
}
for (int i = 0; i < j; i++)
{
ObCellInfo *row;
int64_t num = 0;
ASSERT_EQ(OB_SUCCESS, scanner.next_row());
ASSERT_EQ(OB_SUCCESS, scanner.get_row(&row, &num));
ASSERT_EQ(column_num, num);
}
ASSERT_EQ(OB_ITER_END, scanner.next_row());
buf.length() = 0;
scanner.serialize(buf.ptre(), buf.capacity(), buf.length());
printf("%ld\n", buf.length());
dscanner.reset();
pos = 0;
dscanner.deserialize(buf.ptre(), buf.length(), pos);
printf("row_num=%ld\n", dscanner.get_row_num());
for (int i = 0; i < j; i++)
{
ObCellInfo *row;
int64_t num = 0;
ASSERT_EQ(OB_SUCCESS, dscanner.next_row());
ASSERT_EQ(OB_SUCCESS, dscanner.get_row(&row, &num));
ASSERT_EQ(column_num, num);
}
ASSERT_EQ(OB_ITER_END, dscanner.next_row());
}示例3: add_sharding_result
int ObMergerSortedOperator::add_sharding_result(ObScanner & sharding_res, const ObNewRange &query_range,
bool &is_finish)
{
int err = OB_SUCCESS;
if ((OB_SUCCESS == err) && (NULL == scan_param_))
{
TBSYS_LOG(WARN,"operator was not initialized yet [scan_param_:%p]", scan_param_);
err = OB_INVALID_ARGUMENT;
}
if ((OB_SUCCESS == err) && (sharding_result_count_ >= MAX_SHARDING_RESULT_COUNT))
{
TBSYS_LOG(WARN,"array is full [MAX_SHARDING_RESULT_COUNT:%ld,sharding_result_count_:%ld]",
MAX_SHARDING_RESULT_COUNT, sharding_result_count_);
err = OB_ARRAY_OUT_OF_RANGE;
}
/// @todo (wushi [email protected]) check fullfill item number and size property
bool is_fullfilled = false;
int64_t fullfilled_item_num = 0;
ObRowkey last_row_key;
ObNewRange cs_tablet_range;
if ((OB_SUCCESS == err) && (OB_SUCCESS != (err = sharding_res.get_is_req_fullfilled(is_fullfilled,fullfilled_item_num))))
{
TBSYS_LOG(WARN,"fail to get fullfilled info from sharding result [err:%d]", err);
}
if (OB_SUCCESS == err)
{
if (OB_SUCCESS == (err = sharding_res.get_last_row_key(last_row_key)))
{
}
else if (OB_ENTRY_NOT_EXIST == err)
{
err = OB_SUCCESS;
}
else
{
TBSYS_LOG(WARN,"fail to get last rowkey from sharding result [err:%d]", err);
}
}
if (OB_SUCCESS == err)
{
if (is_fullfilled)
{
if ((OB_SUCCESS == err) && (OB_SUCCESS != (err = sharding_res.get_range(cs_tablet_range))))
{
TBSYS_LOG(WARN,"fail to get tablet range from sharding result [err:%d]", err);
}
if (OB_SUCCESS == err)
{
if (ScanFlag::FORWARD == scan_param_->get_scan_direction())
{
last_row_key = cs_tablet_range.end_key_;
}
else
{
last_row_key = cs_tablet_range.start_key_;
}
}
}
if (OB_SUCCESS == err)
{
fullfilled_item_num = sharding_res.get_row_num();
sharding_result_arr_[sharding_result_count_].init(sharding_res,query_range,*scan_param_, last_row_key, fullfilled_item_num);
sharding_result_count_ ++;
}
}
is_finish = false;
if (OB_SUCCESS == err)
{
sort(is_finish, &sharding_res);
}
TBSYS_LOG(DEBUG, "add sharding result. is_finish=%d, err=%d", is_finish, err);
return err;
}