1/* Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
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 as published by
5 the Free Software Foundation; version 2 of the License.
6
7 This program is distributed in the hope that it will be useful,
8 but WITHOUT ANY WARRANTY; without even the implied warranty of
9 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 GNU General Public License for more details.
11
12 You should have received a copy of the GNU General Public License
13 along with this program; if not, write to the Free Software Foundation,
14 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
15
16#ifndef CURSOR_BY_THREAD_CONNECT_ATTR_H
17#define CURSOR_BY_THREAD_CONNECT_ATTR_H
18
19#include "pfs_column_types.h"
20#include "pfs_engine_table.h"
21#include "pfs_instr.h"
22
23/**
24 \addtogroup Performance_schema_tables
25 @{
26*/
27
28struct pos_connect_attr_by_thread_by_attr
29: public PFS_double_index
30{
31 pos_connect_attr_by_thread_by_attr()
32 : PFS_double_index(0, 0)
33 {}
34
35 inline bool has_more_thread(void)
36 {
37 return (m_index_1 < thread_max);
38 }
39
40 inline void next_thread(void)
41 {
42 m_index_1++;
43 m_index_2= 0;
44 }
45
46 inline void reset(void)
47 {
48 m_index_1= 0;
49 m_index_2= 0;
50 }
51};
52
53/** Cursor CURSOR_BY_THREAD_CONNECT_ATTR. */
54class cursor_by_thread_connect_attr : public PFS_engine_table
55{
56public:
57 virtual int rnd_next();
58 virtual int rnd_pos(const void *pos);
59 virtual void reset_position(void);
60
61protected:
62 cursor_by_thread_connect_attr(const PFS_engine_table_share *share);
63
64public:
65 ~cursor_by_thread_connect_attr()
66 {}
67
68protected:
69 virtual void make_row(PFS_thread *thread, uint ordinal)= 0;
70 /** True if row exists */
71 bool m_row_exists;
72
73private:
74 /** Current position. */
75 pos_connect_attr_by_thread_by_attr m_pos;
76 /** Next position. */
77 pos_connect_attr_by_thread_by_attr m_next_pos;
78};
79
80/** @} */
81#endif
82