GRASS GIS 7 Programmer's Manual  7.5.svn(2017)-r71817
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c_add_col.c
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1 /*!
2  * \file db/dbmi_client/c_add_col.c
3  *
4  * \brief DBMI Library (client) - add column to table
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 <grass/dbmi.h>
16 #include "macros.h"
17 
18 /*!
19  \brief Add column to table
20 
21  \param driver db driver
22  \param tableName table name
23  \param column new column description (dbColumn structure)
24 
25  \return DB_OK on success
26  \return DB_FAILED on failure
27 */
28 int db_add_column(dbDriver * driver, dbString * tableName, dbColumn * column)
29 {
30  int ret_code;
31 
32  /* start the procedure call */
33  db__set_protocol_fds(driver->send, driver->recv);
35 
36  /* send the argument(s) to the procedure */
37  DB_SEND_STRING(tableName);
39 
40  /* get the return code for the procedure call */
41  DB_RECV_RETURN_CODE(&ret_code);
42 
43  if (ret_code != DB_OK)
44  return ret_code; /* ret_code SHOULD == DB_FAILED */
45 
46  /* no results */
47  return DB_OK;
48 }
#define DB_START_PROCEDURE_CALL(x)
Definition: macros.h:2
#define DB_RECV_RETURN_CODE(x)
Definition: macros.h:4
#define DB_PROC_ADD_COLUMN
Definition: dbmi.h:57
#define DB_SEND_STRING(x)
Definition: macros.h:12
#define DB_SEND_COLUMN_DEFINITION(x)
Definition: macros.h:82
Definition: driver.h:22
void db__set_protocol_fds(FILE *send, FILE *recv)
?
FILE * recv
Definition: dbmi.h:171
int db_add_column(dbDriver *driver, dbString *tableName, dbColumn *column)
Add column to table.
Definition: c_add_col.c:28
FILE * send
Definition: dbmi.h:171
#define DB_OK
Definition: dbmi.h:71