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
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/*
Copyright (c) 2015, 2025, Oracle and/or its affiliates.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 2.0,
as published by the Free Software Foundation.
This program is designed to work with certain software (including
but not limited to OpenSSL) that is licensed under separate terms,
as designated in a particular file or component or in included license
documentation. The authors of MySQL hereby grant you an additional
permission to link the program and your derivative works with the
separately licensed software that they have either included with
the program or referenced in the documentation.
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, version 2.0, 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 MYSQL_OBJECT_READER_INCLUDED
#define MYSQL_OBJECT_READER_INCLUDED
#include <functional>
#include "client/dump/abstract_data_formatter_wrapper.h"
#include "client/dump/abstract_mysql_chain_element_extension.h"
#include "client/dump/i_object_reader.h"
#include "client/dump/mysql_field.h"
#include "client/dump/mysql_object_reader_options.h"
#include "client/dump/row_group_dump_task.h"
#include "client/dump/table_rows_dump_task.h"
#include "my_inttypes.h"
namespace Mysql {
namespace Tools {
namespace Dump {
/**
Parses any DB object(excluding rows and privileges for DB objects) data using
connection to MySQL server.
*/
class Mysql_object_reader : public Abstract_data_formatter_wrapper,
public I_object_reader,
public Abstract_mysql_chain_element_extension {
public:
Mysql_object_reader(
I_connection_provider *connection_provider,
std::function<bool(const Mysql::Tools::Base::Message_data &)>
*message_handler,
Simple_id_generator *object_id_generator,
const Mysql_object_reader_options *options);
void read_object(Item_processing_data *item_to_process) override;
void format_rows(Item_processing_data *item_to_process,
Row_group_dump_task *row_group);
// Fix "inherits ... via dominance" warnings
void register_progress_watcher(
I_progress_watcher *new_progress_watcher) override {
Abstract_chain_element::register_progress_watcher(new_progress_watcher);
}
// Fix "inherits ... via dominance" warnings
uint64 get_id() const override { return Abstract_chain_element::get_id(); }
protected:
// Fix "inherits ... via dominance" warnings
void item_completion_in_child_callback(
Item_processing_data *item_processed) override {
Abstract_chain_element::item_completion_in_child_callback(item_processed);
}
private:
void read_table_rows_task(Table_rows_dump_task *table_rows_dump_task,
Item_processing_data *item_to_process);
const Mysql_object_reader_options *m_options;
class Rows_fetching_context {
public:
Rows_fetching_context(Mysql_object_reader *parent,
Item_processing_data *item_processing,
bool has_generated_columns,
bool has_invisible_columns);
int64 result_callback(
const Mysql::Tools::Base::Mysql_query_runner::Row &row_data);
void process_buffer();
bool is_all_rows_processed();
private:
void acquire_fields_information(MYSQL_RES *mysql_result);
Mysql_object_reader *m_parent;
Item_processing_data *m_item_processing;
Row_group_dump_task m_row_group;
std::vector<Mysql_field> m_fields;
};
};
} // namespace Dump
} // namespace Tools
} // namespace Mysql
#endif
|
