54 lines
1.5 KiB
C++
54 lines
1.5 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 OB_MERGE_STMT_PRINTER_H
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#define OB_MERGE_STMT_PRINTER_H
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#include "ob_dml_stmt_printer.h"
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#include "sql/resolver/dml/ob_merge_stmt.h"
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#include "sql/resolver/expr/ob_raw_expr_printer.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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class ObMergeStmtPrinter : public ObDMLStmtPrinter
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{
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public:
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ObMergeStmtPrinter() {}
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ObMergeStmtPrinter(char *buf, int64_t buf_len, int64_t *pos, const ObMergeStmt *stmt,
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common::ObObjPrintParams print_params) :
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ObDMLStmtPrinter(buf, buf_len, pos, stmt, print_params) {}
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virtual ~ObMergeStmtPrinter() {}
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void init(char *buf, int64_t buf_len, int64_t *pos, ObMergeStmt *stmt);
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virtual int do_print();
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private:
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int print();
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int print_conds(const ObIArray<ObRawExpr *> &conds);
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int print_update_clause(const ObMergeStmt &merge_stmt);
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int print_insert_clause(const ObMergeStmt &merge_stmt);
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private:
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// disallow copy
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DISALLOW_COPY_AND_ASSIGN(ObMergeStmtPrinter);
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};
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}
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}
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#endif // OB_MERGE_STMT_PRINTER_H
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