1 #ifndef FAKE_KEY_INCLUDED
2 #define FAKE_KEY_INCLUDED
3 
4 /*
5    Copyright (c) 2014, 2021, Oracle and/or its affiliates.
6 
7    This program is free software; you can redistribute it and/or modify
8    it under the terms of the GNU General Public License, version 2.0,
9    as published by the Free Software Foundation.
10 
11    This program is also distributed with certain software (including
12    but not limited to OpenSSL) that is licensed under separate terms,
13    as designated in a particular file or component or in included license
14    documentation.  The authors of MySQL hereby grant you an additional
15    permission to link the program and your derivative works with the
16    separately licensed software that they have included with MySQL.
17 
18    This program is distributed in the hope that it will be useful,
19    but WITHOUT ANY WARRANTY; without even the implied warranty of
20    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21    GNU General Public License, version 2.0, for more details.
22 
23    You should have received a copy of the GNU General Public License
24    along with this program; if not, write to the Free Software Foundation,
25    51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
26 
27 // First include (the generated) my_config.h, to get correct platform defines.
28 #include "my_config.h"
29 #include <gtest/gtest.h>
30 
31 #include "key.h"                              // KEY
32 
33 
34 /**
35   A fake class to make it easy to set up a KEY object.
36 
37   Note that in this version the KEY object is only initialized with necessary
38   information to do operations on rec_per_key.
39 */
40 
41 class Fake_KEY : public KEY
42 {
43 public:
44   /**
45     Initialize the KEY object.
46 
47     Only member variables needed for the rec_per_key interface are
48     currently initialized.
49 
50     @param key_parts_arg number of key parts this index should have
51     @param unique        unique or non-unique key
52   */
53 
Fake_KEY(unsigned int key_parts_arg,bool unique)54   Fake_KEY(unsigned int key_parts_arg, bool unique)
55   {
56     assert(key_parts_arg > 0);
57 
58     flags= 0;
59     if (unique)
60       flags|= HA_NOSAME;
61     actual_flags= flags;
62 
63     user_defined_key_parts= key_parts_arg;
64     actual_key_parts= key_parts_arg;
65 
66     // Allocate memory for the two rec_per_key arrays
67     m_rec_per_key= new ulong[actual_key_parts];
68     m_rec_per_key_float= new rec_per_key_t[actual_key_parts];
69     set_rec_per_key_array(m_rec_per_key, m_rec_per_key_float);
70 
71     // Initialize the rec_per_key arrays with default/unknown value
72     for (uint kp= 0; kp < actual_key_parts; kp++)
73     {
74       rec_per_key[kp]= 0;
75       set_records_per_key(kp, REC_PER_KEY_UNKNOWN);
76     }
77   }
78 
~Fake_KEY()79   ~Fake_KEY()
80   {
81     // free the memory for the two rec_per_key arrays
82     delete [] m_rec_per_key;
83     delete [] m_rec_per_key_float;
84   }
85 
86 private:
87   // Storage for the two records per key arrays
88   ulong *m_rec_per_key;
89   rec_per_key_t *m_rec_per_key_float;
90 };
91 
92 #endif /* FAKE_KEY_INCLUDED */
93