hcq/oceanbase
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

fix bug in group join buffer

Browse Source
This commit is contained in:
obdev
2023-04-24 12:14:27 +00:00
committed by ob-robot
parent 43877d47d6
commit 349ecdf982
3 changed files with 182 additions and 243 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
src/sql/engine/basic/ob_group_join_buffer.h
View File

@ -35,6 +35,7 @@ struct ObBatchRowDatums
saved_size_ = 0;
is_inited_ = false;
}
void clear_saved_size() { saved_size_ = 0; }
void from_exprs(ObEvalCtx &ctx, ObBitVector *skip, int64_t size);
void extend_save(ObEvalCtx &ctx, int64_t size);
void to_exprs(ObEvalCtx &ctx);
@ -43,9 +44,11 @@ struct ObBatchRowDatums
{
return datums_[col_id * batch_size_ + row_id];
}
ObBitVector *get_skip() { return skip_; }
int32_t get_size() { return size_; }
bool is_inited() const { return is_inited_; }
public:
private:
common::ObIAllocator *alloc_;
const ObExprPtrIArray *exprs_;
int32_t batch_size_;
@ -53,7 +56,6 @@ public:
ObBitVector *skip_;
int32_t size_;
int32_t saved_size_; // record the saved size, include extend saved size
private:
bool is_inited_;
};
@ -88,8 +90,7 @@ private:
int deep_copy_dynamic_obj();
int bind_group_params_to_store();
int prepare_rescan_params();
int get_next_left_row();
int get_next_left_batch(const int64_t max_row_cnt, const ObBatchRows *&batch_rows);
int get_next_left_iter();
int add_row_to_store();
int build_above_group_params(const common::ObIArray<ObDynamicParamSetter> &above_rescan_params,
common::ObIArray<ObSqlArrayObj *> &above_group_params,
@ -111,7 +112,7 @@ private:
const common::ObIArray<ObDynamicParamSetter> *rescan_params_;
const common::ObIArray<ObDynamicParamSetter> *left_rescan_params_;
const common::ObIArray<ObDynamicParamSetter> *right_rescan_params_;
lib::MemoryContext mem_context_;
lib::MemoryContext mem_context_; // for dynamic param copying, will reset after each group rescan
// buffer for rows read from left child
ObChunkDatumStore left_store_;
ObChunkDatumStore::Iterator left_store_iter_;