GRASS GIS 7 Programmer's Manual  7.5.svn(2017)-r71759
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d_drop_col.c
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1 /*!
2  * \file db/dbmi_driver/d_drop_col.c
3  *
4  * \brief DBMI Library (driver) - drop column
5  *
6  * (C) 1999-2008 by the GRASS Development Team
7  *
8  * This program is free software under the GNU General Public
9  * License (>=v2). Read the file COPYING that comes with GRASS
10  * for details.
11  *
12  * \author Joel Jones (CERL/UIUC), Radim Blazek
13  */
14 
15 #include <stdlib.h>
16 #include <grass/dbmi.h>
17 #include "macros.h"
18 #include "dbstubs.h"
19 
20 /*!
21  \brief Drop column
22 
23  \return DB_OK on success
24  \return DB_FAILED on failure
25  */
27 {
28  dbString tableName;
29  dbString columnName;
30  int stat;
31 
32  db_init_string(&tableName);
33  db_init_string(&columnName);
34 
35  /* get the arg(s) */
36  DB_RECV_STRING(&tableName);
37  DB_RECV_STRING(&columnName);
38 
39  /* call the procedure */
40  stat = db_driver_drop_column(&tableName, &columnName);
41  db_free_string(&tableName);
42  db_free_string(&columnName);
43 
44  /* send the return code */
45  if (stat != DB_OK) {
47  return DB_OK;
48  }
50 
51  /* no results */
52 
53  return DB_OK;
54 }
int(* db_driver_drop_column)(dbString *, dbString *)
#define DB_SEND_FAILURE()
Definition: macros.h:9
int db_d_drop_column(void)
Drop column.
Definition: d_drop_col.c:26
#define DB_SEND_SUCCESS()
Definition: macros.h:7
void db_free_string(dbString *x)
Free allocated space for dbString.
Definition: string.c:150
void db_init_string(dbString *x)
Initialize dbString.
Definition: string.c:25
#define DB_RECV_STRING(x)
Definition: macros.h:18
#define DB_OK
Definition: dbmi.h:71