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Before adapting the new functions to the DDL-related format of SSTable, temporarily roll back the related optimizations

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This commit is contained in:
wudidapaopao
2023-12-26 06:13:30 +00:00
committed by ob-robot
parent 90856cda21
commit d34cf94132
2 changed files with 3 additions and 2 deletions
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2
src/sql/das/ob_das_dml_ctx_define.h
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@ -455,7 +455,7 @@ private:
class ObDASDMLIterator : public common::ObNewRowIterator
{
public:
static const int64_t DEFAULT_BATCH_SIZE = 256;
static const int64_t DEFAULT_BATCH_SIZE = 1;
public:
ObDASDMLIterator(const ObDASDMLBaseCtDef *das_ctdef,
ObDASWriteBuffer &write_buffer,

3
src/storage/access/ob_sstable_row_scanner.cpp
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@ -475,7 +475,8 @@ bool ObSSTableRowScanner<ObCOPrefetcher>::can_blockscan() const
{
return is_scan(type_) &&
nullptr != block_row_store_ &&
prefetcher_.switch_to_columnar_scan();
prefetcher_.switch_to_columnar_scan() &&
!sstable_->is_ddl_merge_sstable();
}
template<>