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/External/Mysql-5.0/include/mysql_time.h

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 1/* Copyright (C) 2004 MySQL AB
 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
14 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
15
16#ifndef _mysql_time_h_
17#define _mysql_time_h_
18
19/*
20  Time declarations shared between the server and client API:
21  you should not add anything to this header unless it's used
22  (and hence should be visible) in mysql.h.
23  If you're looking for a place to add new time-related declaration,
24  it's most likely my_time.h. See also "C API Handling of Date
25  and Time Values" chapter in documentation.
26*/
27
28enum enum_mysql_timestamp_type
29{
30  MYSQL_TIMESTAMP_NONE= -2, MYSQL_TIMESTAMP_ERROR= -1,
31  MYSQL_TIMESTAMP_DATE= 0, MYSQL_TIMESTAMP_DATETIME= 1, MYSQL_TIMESTAMP_TIME= 2
32};
33
34
35/*
36  Structure which is used to represent datetime values inside MySQL.
37
38  We assume that values in this structure are normalized, i.e. year <= 9999,
39  month <= 12, day <= 31, hour <= 23, hour <= 59, hour <= 59. Many functions
40  in server such as my_system_gmt_sec() or make_time() family of functions
41  rely on this (actually now usage of make_*() family relies on a bit weaker
42  restriction). Also functions that produce MYSQL_TIME as result ensure this.
43  There is one exception to this rule though if this structure holds time
44  value (time_type == MYSQL_TIMESTAMP_TIME) days and hour member can hold
45  bigger values.
46*/
47typedef struct st_mysql_time
48{
49  unsigned int  year, month, day, hour, minute, second;
50  unsigned long second_part;
51  my_bool       neg;
52  enum enum_mysql_timestamp_type time_type;
53} MYSQL_TIME;
54
55#endif /* _mysql_time_h_ */