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/*!
* \file db/dbmi_driver/d_openupdate.c
*
* \brief DBMI Library (driver) - open update cursor
*
* (C) 1999-2008 by the GRASS Development Team
*
* This program is free software under the GNU General Public
* License (>=v2). Read the file COPYING that comes with GRASS
* for details.
*
* \author Joel Jones (CERL/UIUC), Radim Blazek
*/
#include <stdlib.h>
#include <grass/dbmi.h>
#include "macros.h"
#include "dbstubs.h"
/*!
\brief Open update cursor
\return DB_OK on success
\return DB_FAILED on failure
*/
int db_d_open_update_cursor(void)
{
dbCursor *cursor;
int stat;
dbToken token;
dbString select;
dbString table_name;
int mode;
/* get the arg(s) */
db_init_string(&table_name);
db_init_string(&select);
DB_RECV_STRING(&table_name);
DB_RECV_STRING(&select);
DB_RECV_INT(&mode);
/* create a cursor */
cursor = (dbCursor *)db_malloc(sizeof(dbCursor));
if (cursor == NULL)
return db_get_error_code();
token = db_new_token((dbAddress)cursor);
if (token < 0)
return db_get_error_code();
db_init_cursor(cursor);
/* call the procedure */
stat = db_driver_open_update_cursor(&table_name, &select, cursor, mode);
db_free_string(&table_name);
db_free_string(&select);
/* send the return code */
if (stat != DB_OK) {
DB_SEND_FAILURE();
return DB_OK;
}
DB_SEND_SUCCESS();
/* mark this as an update cursor */
db_set_cursor_type_update(cursor);
/* add this cursor to the cursors managed by the driver state */
db__add_cursor_to_driver_state(cursor);
/* results */
DB_SEND_TOKEN(&token);
DB_SEND_INT(cursor->type);
DB_SEND_INT(cursor->mode);
DB_SEND_TABLE_DEFINITION(cursor->table);
return DB_OK;
}
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