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oceanbase/src/sql/engine/basic/ob_temp_table_insert_op.h
wangzelin.wzl 93a1074b0c patch 4.0
2022-10-24 17:57:12 +08:00

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/**
* Copyright (c) 2021 OceanBase
* OceanBase CE is licensed under Mulan PubL v2.
* You can use this software according to the terms and conditions of the Mulan PubL v2.
* You may obtain a copy of Mulan PubL v2 at:
* http://license.coscl.org.cn/MulanPubL-2.0
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PubL v2 for more details.
*/
#ifndef OCEANBASE_SRC_SQL_ENGINE_BASIC_OB_TEMP_TABLE_INSERT_OP_H_
#define OCEANBASE_SRC_SQL_ENGINE_BASIC_OB_TEMP_TABLE_INSERT_OP_H_
#include "sql/engine/ob_operator.h"
#include "sql/engine/ob_exec_context.h"
#include "sql/engine/basic/ob_ra_row_store.h"
#include "sql/engine/basic/ob_chunk_row_store.h"
#include "sql/engine/ob_sql_mem_mgr_processor.h"
#include "sql/engine/ob_tenant_sql_memory_manager.h"
#include "sql/dtl/ob_dtl_interm_result_manager.h"
#include "sql/engine/ob_physical_plan_ctx.h"
#include "sql/engine/px/ob_px_sqc_proxy.h"
namespace oceanbase
{
namespace sql
{
class ObExecContext;
class ObTempTableInsertOp;
class ObPxTask;
class ObTempTableInsertOpInput : public ObOpInput
{
OB_UNIS_VERSION_V(1);
public:
ObTempTableInsertOpInput(ObExecContext &ctx, const ObOpSpec &spec)
: ObOpInput(ctx, spec),
qc_id_(common::OB_INVALID_ID),
dfo_id_(common::OB_INVALID_ID),
sqc_id_(common::OB_INVALID_ID)
{}
virtual ~ObTempTableInsertOpInput() {}
virtual void reset() override {}
virtual int init(ObTaskInfo &task_info) override
{
int ret = OB_SUCCESS;
UNUSED(task_info);
return ret;
}
int64_t qc_id_;
int64_t dfo_id_;
int64_t sqc_id_;
};
class ObTempTableInsertOpSpec : public ObOpSpec
{
public:
OB_UNIS_VERSION_V(1);
public:
ObTempTableInsertOpSpec(common::ObIAllocator &alloc, const ObPhyOperatorType type)
: ObOpSpec(alloc, type),
temp_table_id_(0),
is_distributed_(false) {}
virtual ~ObTempTableInsertOpSpec() {}
void set_temp_table_id(uint64_t temp_table_id) { temp_table_id_ = temp_table_id; }
uint64_t get_table_id() const { return temp_table_id_; }
void set_distributed(bool is_distributed) { is_distributed_ = is_distributed; }
bool is_distributed() const { return is_distributed_; }
DECLARE_VIRTUAL_TO_STRING;
public:
uint64_t temp_table_id_;
bool is_distributed_;
};
class ObTempTableInsertOp : public ObOperator
{
public:
ObTempTableInsertOp(ObExecContext &exec_ctx, const ObOpSpec &spec, ObOpInput *input)
: ObOperator(exec_ctx, spec, input),
mem_context_(nullptr),
profile_(ObSqlWorkAreaType::HASH_WORK_AREA),
sql_mem_processor_(profile_, op_monitor_info_),
all_datum_store_(),
interm_result_ids_(),
task_(NULL),
init_temp_table_(true) {}
~ObTempTableInsertOp() {}
virtual int inner_open() override;
virtual int inner_rescan() override;
virtual int inner_get_next_row() override;
virtual int inner_get_next_batch(const int64_t max_row_cnt) override;
virtual int inner_close() override;
virtual void destroy() override;
int do_get_next_batch(const int64_t max_row_cnt);
int add_row_to_temp_table(dtl::ObDTLIntermResultInfo *&chunk_row_store);
int add_rows_to_temp_table(dtl::ObDTLIntermResultInfo *&chunk_row_store,
const ObBatchRows *brs);
inline int init_chunk_row_store(dtl::ObDTLIntermResultInfo *&chunk_row_store);
inline int insert_chunk_row_store();
inline int clear_all_datum_store();
inline int prepare_interm_result_id_for_local(uint64_t &interm_result_id);
inline int prepare_interm_result_id_for_distribute(uint64_t &interm_result_id);
ObIArray<uint64_t> &get_interm_result_ids() { return interm_result_ids_; }
void set_px_task(ObPxTask *task) {task_ = task;}
private:
int process_dump(dtl::ObDTLIntermResultInfo &chunk_row_store);
bool need_dump()
{ return sql_mem_processor_.get_data_size() > sql_mem_processor_.get_mem_bound(); }
void destroy_mem_context()
{
if (nullptr != mem_context_) {
DESTROY_CONTEXT(mem_context_);
mem_context_ = nullptr;
}
}
private:
lib::MemoryContext mem_context_;
ObSqlWorkAreaProfile profile_;
ObSqlMemMgrProcessor sql_mem_processor_;
common::ObSEArray<dtl::ObDTLIntermResultInfo *, 8> all_datum_store_;
common::ObSEArray<uint64_t, 8> interm_result_ids_;
ObPxTask *task_;
bool init_temp_table_;
};
} // end namespace sql
} // end namespace oceanbase
#endif /* OCEANBASE_SRC_SQL_ENGINE_BASIC_OB_TEMP_TABLE_INSERT_OP_H_ */