int ObTransferSSTableQuery::get(const ObGetParam& get_param,
ObSSTableReader& reader,
ObIterator* iterator)
{
int ret = OB_SUCCESS;
int64_t cell_size = get_param.get_cell_size();
int64_t row_size = get_param.get_row_size();
ObSSTableGetter* sstable_getter = dynamic_cast<ObSSTableGetter*>(iterator);
const ObGetParam::ObRowIndex* row_index = get_param.get_row_index();
static __thread const ObSSTableReader* sstable_reader = NULL;
if (!inited_)
{
TBSYS_LOG(WARN, "transfer sstable query has not inited");
ret = OB_ERROR;
}
else if (cell_size <= 0 || NULL == row_index || row_size <= 0
|| row_size > OB_MAX_GET_ROW_NUMBER)
{
TBSYS_LOG(WARN, "invalid get param, cell_size=%ld, row_index=%p, row_size=%ld",
cell_size, row_index, row_size);
ret = OB_INVALID_ARGUMENT;
}
else if (NULL == sstable_getter)
{
TBSYS_LOG(WARN, "get thread local instance of sstable getter failed");
ret = OB_ERROR;
}
if (OB_SUCCESS == ret)
{
if (!reader.empty())
{
sstable_reader = &reader;
}
else
{
sstable_reader = NULL;
}
ret = sstable_getter->init(block_cache_, block_index_cache_,
get_param, &sstable_reader, 1, true,
sstable_row_cache_);
if (OB_SUCCESS != ret)
{
TBSYS_LOG(WARN, "failed to init sstable getter, ret=%d", ret);
}
else
{
// do nothing
}
}
return ret;
}
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;
}