76 lines
2.0 KiB
C++
76 lines
2.0 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
|
|
// or more contributor license agreements. See the NOTICE file
|
|
// distributed with this work for additional information
|
|
// regarding copyright ownership. The ASF licenses this file
|
|
// to you under the Apache License, Version 2.0 (the
|
|
// "License"); you may not use this file except in compliance
|
|
// with the License. You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing,
|
|
// software distributed under the License is distributed on an
|
|
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
|
// KIND, either express or implied. See the License for the
|
|
// specific language governing permissions and limitations
|
|
// under the License.
|
|
|
|
#pragma once
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include "common/status.h"
|
|
|
|
#ifndef __DorisMysql
|
|
#define __DorisMysql void
|
|
#endif
|
|
|
|
#ifndef __DorisMysqlRes
|
|
#define __DorisMysqlRes void
|
|
#endif
|
|
|
|
namespace doris::vectorized {
|
|
|
|
struct MysqlScannerParam {
|
|
std::string host;
|
|
std::string port;
|
|
std::string user;
|
|
std::string passwd;
|
|
std::string db;
|
|
std::string charset;
|
|
unsigned long client_flag;
|
|
MysqlScannerParam() : client_flag(0) {}
|
|
};
|
|
|
|
// Mysql Scanner for scan data from mysql
|
|
class MysqlScanner {
|
|
public:
|
|
MysqlScanner(const MysqlScannerParam& param);
|
|
~MysqlScanner();
|
|
|
|
Status open();
|
|
Status query(const std::string& query);
|
|
|
|
// query for DORIS
|
|
Status query(const std::string& table, const std::vector<std::string>& fields,
|
|
const std::vector<std::string>& filters, const uint64_t limit);
|
|
Status get_next_row(char*** buf, unsigned long** lengths, bool* eos);
|
|
|
|
int field_num() const { return _field_num; }
|
|
|
|
private:
|
|
Status _error_status(const std::string& prefix);
|
|
|
|
const MysqlScannerParam& _my_param;
|
|
__DorisMysql* _my_conn;
|
|
__DorisMysqlRes* _my_result;
|
|
std::string _sql_str;
|
|
bool _is_open;
|
|
int _field_num;
|
|
};
|
|
|
|
} // namespace doris::vectorized
|