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oceanbase/src/sql/ob_update_stmt_printer.h
2024-02-06 14:49:36 +00:00

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1.8 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_SRC_SQL_OB_UPDATE_STMT_PRINTER_H_
#define OCEANBASE_SRC_SQL_OB_UPDATE_STMT_PRINTER_H_
#include "ob_dml_stmt_printer.h"
#include "sql/resolver/dml/ob_update_stmt.h"
#include "sql/resolver/expr/ob_raw_expr_printer.h"
namespace oceanbase
{
namespace sql
{
class ObUpdateStmtPrinter : public ObDMLStmtPrinter {
public:
ObUpdateStmtPrinter()=delete;
ObUpdateStmtPrinter(char *buf, int64_t buf_len, int64_t *pos, const ObUpdateStmt *stmt,
ObSchemaGetterGuard *schema_guard,
common::ObObjPrintParams print_params,
const ParamStore *param_store = NULL) :
ObDMLStmtPrinter(buf, buf_len, pos, stmt, schema_guard, print_params, param_store) {}
virtual ~ObUpdateStmtPrinter() {}
void init(char *buf, int64_t buf_len, int64_t *pos, ObUpdateStmt *stmt);
virtual int do_print();
private:
int print();
int print_basic_stmt();
int print_update();
int print_set();
int print_simple_assign(const ObAssignment &assign);
int print_vector_assign(const ObAssignments &assignments,
ObRawExpr *query_ref_expr);
// disallow copy
DISALLOW_COPY_AND_ASSIGN(ObUpdateStmtPrinter);
private:
// data members
};
}
}
#endif /* OCEANBASE_SRC_SQL_OB_UPDATE_STMT_PRINTER_H_ */