1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
/*
* Copyright (c) 2014 Oracle and/or its affiliates. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; version 2 of the
* License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#ifndef _PYTHONCOPYDATASOURCE_H_
#define _PYTHONCOPYDATASOURCE_H_
#include <Python.h>
#include "copytable.h"
#undef tolower
#undef toupper
class PythonCopyDataSource : public CopyDataSource
{
std::string _connstring;
std::string _python_module;
std::string _password;
PyObject *_connection;
PyObject *_cursor;
boost::shared_ptr<std::vector<ColumnInfo> > _columns;
std::vector<SQLSMALLINT> _column_types;
size_t _column_count;
bool initialized;
void _init();
bool pystring_to_string(PyObject *strobject, std::string &ret_string, bool convert);
public:
PythonCopyDataSource(const std::string &connstring,
const std::string &password);
virtual ~PythonCopyDataSource();
public:
virtual size_t count_rows(const std::string &schema, const std::string &table, const std::vector<std::string> &pk_columns,
const CopySpec &spec, const std::vector<std::string> &last_pkeys);
virtual boost::shared_ptr<std::vector<ColumnInfo> > begin_select_table(const std::string &schema, const std::string &table,
const std::vector<std::string> &pk_columns,
const std::string &select_expression,
const CopySpec &spec, const std::vector<std::string> &last_pkeys);
virtual void end_select_table();
virtual bool fetch_row(RowBuffer &rowbuffer);
};
#endif
|
