本文整理汇总了C++中BlockInfo::get_buffer方法的典型用法代码示例。如果您正苦于以下问题：C++ BlockInfo::get_buffer方法的具体用法？C++ BlockInfo::get_buffer怎么用？C++ BlockInfo::get_buffer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BlockInfo的用法示例。
在下文中一共展示了BlockInfo::get_buffer方法的1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: append_row
int ObRowStore::append_row(const ObRowkey *rowkey, const ObRow &row, BlockInfo &block, StoredRow &stored_row)
{
int ret = OB_SUCCESS;
const int64_t reserved_columns_count = reserved_columns_.count();
ObCompactCellWriter cell_writer;
if(NULL == rowkey)
{
cell_writer.init(block.get_buffer(), block.get_remain_size(), SPARSE);
}
else
{
cell_writer.init(block.get_buffer(), block.get_remain_size(), DENSE_SPARSE);
}
const ObObj *cell = NULL;
uint64_t table_id = OB_INVALID_ID;
uint64_t column_id = OB_INVALID_ID;
ObObj cell_clone;
const ObUpsRow *ups_row = dynamic_cast<const ObUpsRow *>(&row);
if(OB_SUCCESS == ret && NULL != rowkey)
{
if(OB_SUCCESS != (ret = cell_writer.append_rowkey(*rowkey)))
{
TBSYS_LOG(WARN, "append rowkey fail:ret[%d]", ret);
}
}
if(OB_SUCCESS == ret && NULL != ups_row)
{
if( ups_row->get_is_delete_row() )
{
if(OB_SUCCESS != (ret = cell_writer.row_delete()))
{
TBSYS_LOG(WARN, "append row delete flag fail:ret[%d]", ret);
}
}
}
int64_t ext_value = 0;
for (int64_t i = 0; OB_SUCCESS == ret && i < row.get_column_num(); ++i)
{
if (OB_SUCCESS != (ret = row.raw_get_cell(i, cell, table_id, column_id)))
{
TBSYS_LOG(WARN, "failed to get cell, err=%d", ret);
break;
}
if (OB_SUCCESS == ret)
{
if (ObExtendType == cell->get_type())
{
if(OB_SUCCESS != (ret = cell->get_ext(ext_value)))
{
TBSYS_LOG(WARN, "get ext value fail:ret[%d]", ret);
}
else if (ObActionFlag::OP_VALID == ext_value)
{
if (OB_SUCCESS != (ret = cell_writer.append_escape(ObCellMeta::ES_VALID)))
{
TBSYS_LOG(WARN, "fail to append escape:ret[%d]", ret);
}
}
else if (ObActionFlag::OP_ROW_DOES_NOT_EXIST == ext_value)
{
if (OB_SUCCESS != (ret = cell_writer.append_escape(ObCellMeta::ES_NOT_EXIST_ROW)))
{
TBSYS_LOG(WARN, "fail to append escape:ret[%d]", ret);
}
}
else if(ObActionFlag::OP_NOP != ext_value)
{
ret = OB_NOT_SUPPORTED;
TBSYS_LOG(WARN, "not supported ext value:ext[%ld]", ext_value);
}
else if(NULL == ups_row)
{
ret = OB_NOT_SUPPORTED;
TBSYS_LOG(WARN, "OP_NOP can only used in ups row");
}
else //OP_NOP不需要序列化
{
cell_clone = *cell;
}
}
else if (OB_SUCCESS != (ret = cell_writer.append(column_id, *cell, &cell_clone)))
{
if (OB_BUF_NOT_ENOUGH != ret)
{
TBSYS_LOG(WARN, "failed to append cell, err=%d", ret);
}
break;
}
}
if (OB_SUCCESS == ret)
{
// whether reserve this cell
for (int32_t j = 0; j < reserved_columns_count; ++j)
//.........这里部分代码省略.........