Files
oceanbase/src/sql/resolver/dml/ob_merge_stmt.h
obdev 2d19a9d8f5 [FEAT MERGE]4_1_sql_feature
Co-authored-by: leslieyuchen <leslieyuchen@gmail.com>
Co-authored-by: Charles0429 <xiezhenjiang@gmail.com>
Co-authored-by: raywill <hustos@gmail.com>
2023-01-28 16:01:28 +08:00

100 lines
4.8 KiB
C++

/**
* 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_SQL_OB_MERGE_STMT_H_
#define OCEANBASE_SQL_OB_MERGE_STMT_H_
#include "lib/container/ob_array.h"
#include "lib/string/ob_string.h"
#include "sql/resolver/dml/ob_del_upd_stmt.h"
namespace oceanbase
{
namespace sql
{
class ObMergeStmt: public ObDelUpdStmt
{
public:
ObMergeStmt();
virtual ~ObMergeStmt();
int deep_copy_stmt_struct(ObIAllocator &allocator,
ObRawExprCopier &expr_copier,
const ObDMLStmt &other) override;
int assign(const ObMergeStmt &other);
virtual int check_table_be_modified(uint64_t ref_table_id, bool& is_modified) const override;
ObMergeTableInfo &get_merge_table_info() { return table_info_; }
const ObMergeTableInfo &get_merge_table_info() const { return table_info_; }
void set_target_table_id(uint64_t id) { table_info_.target_table_id_ = id; }
inline uint64_t get_target_table_id() const { return table_info_.target_table_id_; }
void set_source_table_id(uint64_t id) { table_info_.source_table_id_ = id; }
inline uint64_t get_source_table_id() const { return table_info_.source_table_id_; }
common::ObIArray<ObRawExpr*> &get_match_condition_exprs() { return table_info_.match_condition_exprs_; }
const common::ObIArray<ObRawExpr*> &get_match_condition_exprs() const
{ return table_info_.match_condition_exprs_; }
common::ObIArray<ObRawExpr*> &get_insert_condition_exprs() { return table_info_.insert_condition_exprs_; }
const common::ObIArray<ObRawExpr*> &get_insert_condition_exprs() const
{ return table_info_.insert_condition_exprs_; }
common::ObIArray<ObRawExpr*> &get_update_condition_exprs() { return table_info_.update_condition_exprs_; }
const common::ObIArray<ObRawExpr*> &get_update_condition_exprs() const
{ return table_info_.update_condition_exprs_; }
common::ObIArray<ObRawExpr*> &get_delete_condition_exprs() { return table_info_.delete_condition_exprs_; }
const common::ObIArray<ObRawExpr*> &get_delete_condition_exprs() const
{ return table_info_.delete_condition_exprs_; }
virtual uint64_t get_trigger_events() const override
{
uint64_t events = 0;
if (has_insert_clause()) {
events |= ObDmlEventType::DE_INSERTING;
}
if (has_update_clause()) {
events |= ObDmlEventType::DE_UPDATING;
}
if (has_delete_clause()) {
events |= ObDmlEventType::DE_DELETING;
}
return events;
}
bool has_insert_clause() const { return !table_info_.values_desc_.empty(); }
bool has_update_clause() const { return !table_info_.assignments_.empty(); }
bool has_delete_clause() const { return !table_info_.delete_condition_exprs_.empty(); }
common::ObIArray<ObAssignment> &get_table_assignments() { return table_info_.assignments_; }
const common::ObIArray<ObAssignment> &get_table_assignments() const { return table_info_.assignments_; }
inline const common::ObIArray<ObColumnRefRawExpr*> &get_values_desc() const { return table_info_.values_desc_;}
inline common::ObIArray<ObColumnRefRawExpr*> &get_values_desc() { return table_info_.values_desc_; }
inline const common::ObIArray<ObRawExpr*> &get_values_vector() const { return table_info_.values_vector_; }
inline common::ObIArray<ObRawExpr*> &get_values_vector() { return table_info_.values_vector_; }
common::ObIArray<ObRawExpr*> &get_column_conv_exprs() { return table_info_.column_conv_exprs_;}
const common::ObIArray<ObRawExpr*> &get_column_conv_exprs() const
{ return table_info_.column_conv_exprs_; }
virtual int get_view_check_exprs(ObIArray<ObRawExpr*>& view_check_exprs) const override;
virtual int get_assignments_exprs(ObIArray<ObRawExpr*> &exprs) const override;
virtual int get_dml_table_infos(ObIArray<ObDmlTableInfo*>& dml_table_info) override;
virtual int get_dml_table_infos(ObIArray<const ObDmlTableInfo*>& dml_table_info) const override;
virtual int get_value_exprs(ObIArray<ObRawExpr *> &value_exprs) const override;
bool value_from_select() const { return !from_items_.empty(); }
int part_key_is_updated(bool &is_updated) const;
int part_key_has_rand_value(bool &has) const;
int part_key_has_subquery(bool &has) const ;
int part_key_has_auto_inc(bool &has) const;
DECLARE_VIRTUAL_TO_STRING;
private:
ObMergeTableInfo table_info_;
};
}//namespace sql
}//namespace oceanbase
#endif //OCEANBASE_SQL_OB_MERGE_STMT_H_