table_ews_global_by_event_name.h 2.44 KB
Newer Older
1
/* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
Marc Alff's avatar
Marc Alff committed
2 3 4 5 6 7 8 9 10 11 12

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; version 2 of the License.

  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 for more details.

  You should have received a copy of the GNU General Public License
13 14
  along with this program; if not, write to the Free Software Foundation,
  51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
Marc Alff's avatar
Marc Alff committed
15

16 17
#ifndef TABLE_EVENTS_WAITS_SUMMARY_GLOBAL_BY_EVENT_NAME_H
#define TABLE_EVENTS_WAITS_SUMMARY_GLOBAL_BY_EVENT_NAME_H
Marc Alff's avatar
Marc Alff committed
18 19

/**
20 21
  @file storage/perfschema/table_ews_global_by_event_name.h
  Table EVENTS_WAITS_SUMMARY_GLOBAL_BY_EVENT_NAME (declarations).
Marc Alff's avatar
Marc Alff committed
22 23 24 25
*/

#include "pfs_column_types.h"
#include "pfs_engine_table.h"
26 27 28
#include "pfs_instr_class.h"
#include "pfs_instr.h"
#include "table_all_instr.h"
Marc Alff's avatar
Marc Alff committed
29 30 31 32 33 34

/**
  @addtogroup Performance_schema_tables
  @{
*/

35 36
/** A row of PERFORMANCE_SCHEMA.EVENTS_WAITS_SUMMARY_GLOBAL_BY_EVENT_NAME. */
struct row_ews_global_by_event_name
Marc Alff's avatar
Marc Alff committed
37
{
38
  /** Column EVENT_NAME. */
Marc Alff's avatar
Marc Alff committed
39 40 41
  const char *m_name;
  /** Length in bytes of @c m_name. */
  uint m_name_length;
42 43 44 45 46 47 48 49 50 51
  /** Column COUNT_STAR. */
  ulonglong m_count;
  /** Column SUM_TIMER_WAIT. */
  ulonglong m_sum;
  /** Column MIN_TIMER_WAIT. */
  ulonglong m_min;
  /** Column AVG_TIMER_WAIT. */
  ulonglong m_avg;
  /** Column MAX_TIMER_WAIT. */
  ulonglong m_max;
Marc Alff's avatar
Marc Alff committed
52 53
};

54 55
/** Table PERFORMANCE_SCHEMA.EVENTS_WAITS_SUMMARY_GLOBAL_BY_EVENT_NAME. */
class table_ews_global_by_event_name : public table_all_instr_class
Marc Alff's avatar
Marc Alff committed
56 57
{
public:
58
  /** Table share */
Marc Alff's avatar
Marc Alff committed
59 60
  static PFS_engine_table_share m_share;
  static PFS_engine_table* create();
61
  static int delete_all_rows();
Marc Alff's avatar
Marc Alff committed
62 63

protected:
64 65
  virtual void make_instr_row(PFS_instr_class *klass);

Marc Alff's avatar
Marc Alff committed
66 67 68 69 70
  virtual int read_row_values(TABLE *table,
                              unsigned char *buf,
                              Field **fields,
                              bool read_all);

71
  table_ews_global_by_event_name();
Marc Alff's avatar
Marc Alff committed
72 73

public:
74
  ~table_ews_global_by_event_name()
Marc Alff's avatar
Marc Alff committed
75 76 77 78 79 80 81 82 83
  {}

private:
  /** Table share lock. */
  static THR_LOCK m_table_lock;
  /** Fields definition. */
  static TABLE_FIELD_DEF m_field_def;

  /** Current row. */
84
  row_ews_global_by_event_name m_row;
Marc Alff's avatar
Marc Alff committed
85 86 87 88
};

/** @} */
#endif