summaryrefslogtreecommitdiff
path: root/sql/event_data_objects.h
blob: 1ca619b8ed60f13beed8114e89748ddb9df1e385 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
#ifndef _EVENT_DATA_OBJECTS_H_
#define _EVENT_DATA_OBJECTS_H_
/* Copyright (C) 2004-2006 MySQL AB

   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
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

/**
  @addtogroup Event_Scheduler
  @{

  @file event_data_objects.h
*/

#include "event_parse_data.h"

class Event_queue_element_for_exec
{
public:
  Event_queue_element_for_exec(){};
  ~Event_queue_element_for_exec();

  bool
  init(LEX_STRING dbname, LEX_STRING name);

  LEX_STRING dbname;
  LEX_STRING name;
  bool dropped;
  THD *thd;

private:
  /* Prevent use of these */
  Event_queue_element_for_exec(const Event_queue_element_for_exec &);
  void operator=(Event_queue_element_for_exec &);
};


class Event_basic
{
protected:
  MEM_ROOT mem_root;

public:

  LEX_STRING dbname;
  LEX_STRING name;
  LEX_STRING definer;// combination of user and host

  Time_zone *time_zone;

  Event_basic();
  virtual ~Event_basic();

  virtual bool
  load_from_row(THD *thd, TABLE *table) = 0;

protected:
  bool
  load_string_fields(Field **fields, ...);

  bool
  load_time_zone(THD *thd, const LEX_STRING tz_name);
};



class Event_queue_element : public Event_basic
{
protected:
  bool status_changed;
  bool last_executed_changed;

public:
  int on_completion;
  int status;
  longlong originator;

  my_time_t last_executed;
  my_time_t execute_at;
  my_time_t starts;
  my_time_t ends;
  bool starts_null;
  bool ends_null;
  bool execute_at_null;

  longlong expression;
  interval_type interval;

  bool dropped;

  uint execution_count;

  Event_queue_element();
  virtual ~Event_queue_element();

  virtual bool
  load_from_row(THD *thd, TABLE *table);

  bool
  compute_next_execution_time();

  void
  mark_last_executed(THD *thd);

  bool
  update_timing_fields(THD *thd);
};


class Event_timed : public Event_queue_element
{
  Event_timed(const Event_timed &);	/* Prevent use of these */
  void operator=(Event_timed &);

public:
  LEX_STRING body;

  LEX_STRING definer_user;
  LEX_STRING definer_host;

  LEX_STRING comment;

  ulonglong created;
  ulonglong modified;

  ulong sql_mode;

  class Stored_program_creation_ctx *creation_ctx;
  LEX_STRING body_utf8;

  Event_timed();
  virtual ~Event_timed();

  void
  init();

  virtual bool
  load_from_row(THD *thd, TABLE *table);

  int
  get_create_event(THD *thd, String *buf);
};


class Event_job_data : public Event_basic
{
public:
  LEX_STRING body;
  LEX_STRING definer_user;
  LEX_STRING definer_host;

  ulong sql_mode;

  class Stored_program_creation_ctx *creation_ctx;

  Event_job_data();

  virtual bool
  load_from_row(THD *thd, TABLE *table);

  bool
  execute(THD *thd, bool drop);
private:
  bool
  construct_sp_sql(THD *thd, String *sp_sql);
  bool
  construct_drop_event_sql(THD *thd, String *sp_sql);

  Event_job_data(const Event_job_data &);       /* Prevent use of these */
  void operator=(Event_job_data &);
};


/* Compares only the schema part of the identifier */
bool
event_basic_db_equal(LEX_STRING db, Event_basic *et);

/* Compares the whole identifier*/
bool
event_basic_identifier_equal(LEX_STRING db, LEX_STRING name, Event_basic *b);

/**
  @} (End of group Event_Scheduler)
*/

#endif /* _EVENT_DATA_OBJECTS_H_ */