MySQL 9.0.0
Source Code Documentation
my_icp.h
Go to the documentation of this file.
1/* Copyright (c) 2013, 2024, 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 designed to work 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 either included with
13 the program or referenced in the documentation.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License, version 2.0, for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
23
24#ifndef _my_icp_h
25#define _my_icp_h
26
27/**
28 @file include/my_icp.h
29*/
30
31/**
32 Values returned by index_cond_func_xxx functions.
33*/
34
35typedef enum icp_result {
36 /** Index tuple doesn't satisfy the pushed index condition (the engine
37 should discard the tuple and go to the next one) */
39
40 /** Index tuple satisfies the pushed index condition (the engine should
41 fetch and return the record) */
43
44 /** Index tuple is out of the range that we're scanning, e.g. if we're
45 scanning "t.key BETWEEN 10 AND 20" and got a "t.key=21" tuple (the engine
46 should stop scanning and return HA_ERR_END_OF_FILE right away). */
48
50
51#endif /* _my_icp_h */
icp_result
Values returned by index_cond_func_xxx functions.
Definition: my_icp.h:35
@ ICP_OUT_OF_RANGE
Index tuple is out of the range that we're scanning, e.g.
Definition: my_icp.h:47
@ ICP_NO_MATCH
Index tuple doesn't satisfy the pushed index condition (the engine should discard the tuple and go to...
Definition: my_icp.h:38
@ ICP_MATCH
Index tuple satisfies the pushed index condition (the engine should fetch and return the record)
Definition: my_icp.h:42
enum icp_result ICP_RESULT
Values returned by index_cond_func_xxx functions.