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oceanbase/src/sql/optimizer/ob_insert_log_plan.h
2023-08-03 03:42:17 +00:00

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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 _OB_INSERT_LOG_PLAN_H
#define _OB_INSERT_LOG_PLAN_H
#include "sql/optimizer/ob_del_upd_log_plan.h"
#include "sql/ob_sql_define.h"
namespace oceanbase
{
namespace sql
{
class ObDMLStmt;
class ObLogInsert;
class ObInsertStmt;
typedef common::ObSEArray<common::ObSEArray<int64_t, 8, common::ModulePageAllocator, true>, 1, common::ModulePageAllocator, true> RowParamMap;
class ObInsertLogPlan: public ObDelUpdLogPlan
{
public:
ObInsertLogPlan(ObOptimizerContext &ctx, const ObInsertStmt *insert_stmt)
: ObDelUpdLogPlan(ctx, insert_stmt),
is_direct_insert_(false)
{ }
virtual ~ObInsertLogPlan()
{ }
virtual int generate_normal_raw_plan() override;
const ObInsertStmt *get_stmt() const override
{ return reinterpret_cast<const ObInsertStmt*>(stmt_); }
virtual int prepare_dml_infos() override;
common::ObIArray<IndexDMLInfo *> &get_replace_del_index_del_infos()
{ return replace_del_index_del_infos_; }
const common::ObIArray<IndexDMLInfo *> &get_replace_del_index_del_infos() const
{ return replace_del_index_del_infos_; }
common::ObIArray<IndexDMLInfo *> &get_insert_up_index_upd_infos()
{ return insert_up_index_upd_infos_; }
const common::ObIArray<IndexDMLInfo *> &get_insert_up_index_upd_infos() const
{ return insert_up_index_upd_infos_; }
bool is_direct_insert() const { return is_direct_insert_; }
protected:
int allocate_insert_values_as_top(ObLogicalOperator *&top);
int candi_allocate_insert(OSGShareInfo *osg_info);
int build_lock_row_flag_expr(ObConstRawExpr *&lock_row_flag_expr);
int create_insert_plans(ObIArray<CandidatePlan> &candi_plans,
ObTablePartitionInfo *insert_table_part,
ObShardingInfo *insert_sharding,
ObConstRawExpr *lock_row_flag_expr,
const bool force_no_multi_part,
const bool force_multi_part,
ObIArray<CandidatePlan> &insert_plans,
OSGShareInfo *osg_info);
int allocate_insert_as_top(ObLogicalOperator *&top,
ObRawExpr *lock_row_flag_expr,
ObTablePartitionInfo *table_partition_info,
ObShardingInfo *insert_sharding,
bool is_multi_part);
int candi_allocate_pdml_insert(OSGShareInfo *osg_info);
int candi_allocate_optimizer_stats_merge(OSGShareInfo *osg_info);
virtual int check_insert_need_multi_partition_dml(ObLogicalOperator &top,
ObTablePartitionInfo *insert_table_partition,
ObShardingInfo *insert_sharding,
bool &is_multi_part_dml);
virtual int check_insert_stmt_need_multi_partition_dml(bool &is_multi_part_dml,
bool &is_one_part_table);
virtual int check_insert_location_need_multi_partition_dml(ObLogicalOperator &top,
ObTablePartitionInfo *insert_table_partition,
ObShardingInfo *insert_sharding,
bool is_one_part_table,
bool &is_multi_part_dml);
int check_basic_sharding_for_insert_stmt(ObShardingInfo &target_sharding,
ObLogicalOperator &child,
bool &is_basic);
int check_if_match_partition_wise_insert(ObShardingInfo &target_sharding,
ObLogicalOperator &child,
bool &is_partition_wise);
virtual int prepare_table_dml_info_special(const ObDmlTableInfo& table_info,
IndexDMLInfo* table_dml_info,
ObIArray<IndexDMLInfo*> &index_dml_infos,
ObIArray<IndexDMLInfo*> &all_index_dml_infos) override;
int copy_index_dml_infos_for_replace(ObIArray<IndexDMLInfo*> &src_dml_infos,
ObIArray<IndexDMLInfo*> &dst_dml_infos);
int copy_index_dml_infos_for_insert_up(const ObInsertTableInfo& table_info,
IndexDMLInfo* table_dml_info,
ObIArray<IndexDMLInfo*> &index_dml_infos,
ObIArray<IndexDMLInfo*> &dst_dml_infos);
int prepare_unique_constraint_infos(const ObDmlTableInfo& table_info);
int prepare_unique_constraint_info(const ObTableSchema &index_schema,
const uint64_t table_id,
ObUniqueConstraintInfo &constraint_info);
int prepare_table_dml_info_for_ddl(const ObInsertTableInfo& table_info,
ObIArray<IndexDMLInfo*> &all_index_dml_infos);
int get_all_rowkey_columns_for_ddl(const ObInsertTableInfo& table_info,
const ObTableSchema* ddl_table_schema,
ObIArray<ObColumnRefRawExpr*> &column_exprs);
int get_all_columns_for_ddl(const ObInsertTableInfo& table_info,
const ObTableSchema* ddl_table_schema,
ObIArray<ObColumnRefRawExpr*> &column_exprs);
int get_all_part_columns_for_ddl(const ObInsertTableInfo& table_info,
const ObTableSchema* data_table_schema,
ObIArray<ObColumnRefRawExpr*> &column_exprs);
int build_column_conv_for_shadow_pk(const ObInsertTableInfo& table_info,
ObColumnRefRawExpr *column_expr,
ObRawExpr *&column_conv_expr);
int check_contain_non_onetime_expr(const ObRawExpr *expr, bool &contain);
int check_contain_non_onetime_expr(const ObIArray<ObRawExpr *> &exprs, bool &contain);
private:
int generate_osg_share_info(OSGShareInfo *&info);
int check_need_online_stats_gather(bool &need_osg);
int set_is_direct_insert();
DISALLOW_COPY_AND_ASSIGN(ObInsertLogPlan);
private:
common::ObSEArray<IndexDMLInfo *, 1, common::ModulePageAllocator, true> replace_del_index_del_infos_;
common::ObSEArray<IndexDMLInfo *, 1, common::ModulePageAllocator, true> insert_up_index_upd_infos_;
common::ObSEArray<ObUniqueConstraintInfo, 8, common::ModulePageAllocator, true> uk_constraint_infos_;
bool is_direct_insert_;
};
}
}
#endif // _OB_INSERT_LOG_PLAN_H