MySQL 8.3.0
Source Code Documentation
base.h
Go to the documentation of this file.
1/* Copyright (c) 2019, 2023, Oracle and/or its affiliates.
2
3 This program is free software; you can redistribute it and/or modify
4 it under the terms of the GNU General Public License, version 2.0,
5 as published by the Free Software Foundation.
6
7 This program is also distributed with certain software (including
8 but not limited to OpenSSL) that is licensed under separate terms,
9 as designated in a particular file or component or in included license
10 documentation. The authors of MySQL hereby grant you an additional
11 permission to link the program and your derivative works with the
12 separately licensed software that they have included with MySQL.
13
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License, version 2.0, for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
22
23#ifndef MYSQL_BINLOG_EVENT_COMPRESSION_BASE_H
24#define MYSQL_BINLOG_EVENT_COMPRESSION_BASE_H
25
26#include <string>
27
29
30// ZSTD version boundary below which instrumented
31// ZSTD_create[CD]Stream_advanced functions are allowed.
32// When new ZSTD versions are released and they do not
33// break prototype for ZSTD_create[CD]Stream_advanced
34// increase the number '10505' accordingly
35constexpr unsigned int ZSTD_INSTRUMENTED_BELOW_VERSION = 10505;
36
37// Todo: use enum class and a more specific name.
38// Use contiguous values.
39enum type {
40 /* ZSTD compression. */
41 ZSTD = 0,
42
43 /* No compression. */
44 NONE = 255,
45};
46
47template <class T>
48bool type_is_valid(T t) {
49 switch (t) {
50 case ZSTD:
51 return true;
52 case NONE:
53 return true;
54 default:
55 break;
56 }
57 return false;
58}
59
60std::string type_to_string(type t);
61
62} // namespace mysql::binlog::event::compression
63
64namespace [[deprecated]] binary_log {
65namespace [[deprecated]] transaction {
66namespace [[deprecated]] compression {
68} // namespace compression
69} // namespace transaction
70} // namespace binary_log
71
72#endif // MYSQL_BINLOG_EVENT_COMPRESSION_BASE_H
Definition: base.h:74
Definition: base.cpp:26
@ ZSTD
Definition: base.h:41
@ NONE
Definition: base.h:44
std::string type_to_string(type t)
Definition: base.cpp:28
constexpr unsigned int ZSTD_INSTRUMENTED_BELOW_VERSION
Definition: base.h:35
bool type_is_valid(T t)
Definition: base.h:48