GRASS 8 Programmer's Manual 8.6.0dev(2026)-55de52a352
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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 * SPDX-FileCopyrightText: 1999-2008 GRASS Development Team
7 * SPDX-License-Identifier: GPL-2.0-or-later
8 *
9 * \author Joel Jones (CERL/UIUC), Radim Blazek
10 */
11
12#include <stdlib.h>
13#include <grass/dbmi.h>
14#include "macros.h"
15#include "dbstubs.h"
16
17/*!
18 \brief Drop column
19
20 \return DB_OK on success
21 \return DB_FAILED on failure
22 */
24{
25 dbString tableName;
26 dbString columnName;
27 int stat;
28
29 db_init_string(&tableName);
30 db_init_string(&columnName);
31
32 /* get the arg(s) */
33 DB_RECV_STRING(&tableName);
34 DB_RECV_STRING(&columnName);
35
36 /* call the procedure */
37 stat = db_driver_drop_column(&tableName, &columnName);
38 db_free_string(&tableName);
39 db_free_string(&columnName);
40
41 /* send the return code */
42 if (stat != DB_OK) {
44 return DB_OK;
45 }
47
48 /* no results */
49
50 return DB_OK;
51}
int db_d_drop_column(void)
Drop column.
Definition d_drop_col.c:23
Main header of GRASS DataBase Management Interface.
#define DB_OK
Definition dbmi.h:69
int(* db_driver_drop_column)(dbString *, dbString *)
void db_free_string(dbString *)
Free allocated space for dbString.
Definition string.c:148
void db_init_string(dbString *)
Initialize dbString.
Definition string.c:23
#define DB_SEND_SUCCESS()
Definition macros.h:13
#define DB_RECV_STRING(x)
Definition macros.h:39
#define DB_SEND_FAILURE()
Definition macros.h:18