GRASS GIS 7 Programmer's Manual  7.5.svn(2018)-r72645
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interval.c
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1 /*!
2  \file lib/db/dbmi_base/interval.c
3 
4  \brief DBMI Library (base) - range, interval procedures
5 
6  (C) 1999-2009, 2011 by the GRASS Development Team
7 
8  This program is free software under the GNU General Public License
9  (>=v2). Read the file COPYING that comes with GRASS for details.
10 
11  \author Joel Jones (CERL/UIUC), Radim Blazek
12  \author Doxygenized by Martin Landa <landa.martin gmail.com> (2011)
13 */
14 
15 #include <grass/dbmi.h>
16 
17 /*!
18  \brief Define range based on SQL data type
19 
20  \param sqltype SQL data type
21  \param[out] from
22  \param[out] to
23  */
24 void db_interval_range(int sqltype, int *from, int *to)
25 {
26  switch (sqltype) {
27  case DB_SQL_TYPE_DATE:
28  *from = DB_YEAR;
29  *to = DB_DAY;
30  return;
31  case DB_SQL_TYPE_TIME:
32  *from = DB_HOUR;
33  *to = DB_FRACTION;
34  return;
35  }
36 
37  if (sqltype & DB_YEAR)
38  *from = DB_YEAR;
39  else if (sqltype & DB_MONTH)
40  *from = DB_MONTH;
41  else if (sqltype & DB_DAY)
42  *from = DB_DAY;
43  else if (sqltype & DB_HOUR)
44  *from = DB_HOUR;
45  else if (sqltype & DB_MINUTE)
46  *from = DB_MINUTE;
47  else if (sqltype & DB_SECOND)
48  *from = DB_SECOND;
49  else if (sqltype & DB_FRACTION)
50  *from = DB_FRACTION;
51  else
52  *from = 0;
53 
54  if (sqltype & DB_FRACTION)
55  *to = DB_FRACTION;
56  else if (sqltype & DB_SECOND)
57  *to = DB_SECOND;
58  else if (sqltype & DB_MINUTE)
59  *to = DB_MINUTE;
60  else if (sqltype & DB_HOUR)
61  *to = DB_HOUR;
62  else if (sqltype & DB_DAY)
63  *to = DB_DAY;
64  else if (sqltype & DB_MONTH)
65  *to = DB_MONTH;
66  else if (sqltype & DB_YEAR)
67  *to = DB_YEAR;
68  else
69  *to = 0;
70 }
#define DB_SECOND
Definition: dbmi.h:102
#define DB_FRACTION
Definition: dbmi.h:103
#define DB_HOUR
Definition: dbmi.h:100
#define DB_DAY
Definition: dbmi.h:99
#define DB_YEAR
Definition: dbmi.h:97
#define DB_SQL_TYPE_DATE
Definition: dbmi.h:88
#define DB_MONTH
Definition: dbmi.h:98
void db_interval_range(int sqltype, int *from, int *to)
Define range based on SQL data type.
Definition: interval.c:24
#define DB_SQL_TYPE_TIME
Definition: dbmi.h:89
#define DB_MINUTE
Definition: dbmi.h:101