2d19a9d8f5
Co-authored-by: leslieyuchen <leslieyuchen@gmail.com> Co-authored-by: Charles0429 <xiezhenjiang@gmail.com> Co-authored-by: raywill <hustos@gmail.com>
74 lines
2.6 KiB
C++
74 lines
2.6 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#ifndef OCEANBASE_SQL_DELETESTMT_H_
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#define OCEANBASE_SQL_DELETESTMT_H_
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#include "sql/resolver/dml/ob_del_upd_stmt.h"
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#include "lib/string/ob_string.h"
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#include "sql/ob_sql_context.h"
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namespace oceanbase
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{
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namespace sql
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{
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/**
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* DELETE syntax from MySQL 5.7
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*
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* Single-Table Syntax:
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* DELETE [LOW_PRIORITY] [QUICK] [IGNORE] FROM tbl_name
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* [PARTITION (partition_name,...)]
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* [WHERE where_condition]
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* [ORDER BY ...]
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* [LIMIT row_count]
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*
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* Multiple-Table Syntax
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* DELETE [LOW_PRIORITY] [QUICK] [IGNORE]
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* tbl_name[.*] [, tbl_name[.*]] ...
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* FROM table_references
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* [WHERE where_condition]
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* Or:
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* DELETE [LOW_PRIORITY] [QUICK] [IGNORE]
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* FROM tbl_name[.*] [, tbl_name[.*]] ...
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* USING table_references
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* [WHERE where_condition]
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*/
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class ObDeleteStmt : public ObDelUpdStmt
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{
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public:
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ObDeleteStmt();
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virtual ~ObDeleteStmt();
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int deep_copy_stmt_struct(ObIAllocator &allocator,
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ObRawExprCopier &expr_factory,
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const ObDMLStmt &other) override;
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int assign(const ObDeleteStmt &other);
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virtual uint64_t get_trigger_events() const override
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{
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return ObDmlEventType::DE_DELETING;
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}
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virtual int check_table_be_modified(uint64_t ref_table_id, bool& is_modified) const override;
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int remove_delete_table_info(int64_t table_id);
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common::ObIArray<ObDeleteTableInfo*> &get_delete_table_info() { return table_info_; }
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const common::ObIArray<ObDeleteTableInfo*> &get_delete_table_info() const { return table_info_; }
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virtual int get_dml_table_infos(ObIArray<ObDmlTableInfo*>& dml_table_info) override;
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virtual int get_dml_table_infos(ObIArray<const ObDmlTableInfo*>& dml_table_info) const override;
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virtual int get_view_check_exprs(ObIArray<ObRawExpr*>& view_check_exprs) const override;
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virtual int64_t get_instead_of_trigger_column_count() const override;
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virtual int remove_table_item_dml_info(const TableItem* table) override;
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DECLARE_VIRTUAL_TO_STRING;
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private:
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common::ObSEArray<ObDeleteTableInfo*, 2, common::ModulePageAllocator, true> table_info_;
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};
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}
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}
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#endif //OCEANBASE_SQL_DELETESTMT_H_
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