GRASS Programmer's Manual
6.5.svn(2014)-r66266
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c_rows.c
Go to the documentation of this file.
1
15
#include <grass/dbmi.h>
16
#include "
macros.h
"
17
26
int
db_get_num_rows
(dbCursor * cursor)
27
{
28
int
nrows, ret_code;
29
30
/* start the procedure call */
31
db__set_protocol_fds
(cursor->driver->send, cursor->driver->recv);
32
DB_START_PROCEDURE_CALL
(DB_PROC_ROWS);
33
34
/* send the argument(s) to the procedure */
35
DB_SEND_TOKEN
(&cursor->token);
36
37
/* get the return code for the procedure call */
38
DB_RECV_RETURN_CODE
(&ret_code);
39
40
if
(ret_code != DB_OK)
41
return
-1;
42
43
/* get the results */
44
DB_RECV_INT
(&nrows);
45
46
return
nrows;
47
}
db__set_protocol_fds
void db__set_protocol_fds(FILE *send, FILE *recv)
Definition:
xdr.c:71
DB_RECV_INT
#define DB_RECV_INT(x)
Definition:
macros.h:39
macros.h
DB_START_PROCEDURE_CALL
#define DB_START_PROCEDURE_CALL(x)
Definition:
macros.h:2
db_get_num_rows
int db_get_num_rows(dbCursor *cursor)
Get number of selected rows.
Definition:
c_rows.c:26
DB_RECV_RETURN_CODE
#define DB_RECV_RETURN_CODE(x)
Definition:
macros.h:4
DB_SEND_TOKEN
#define DB_SEND_TOKEN(x)
Definition:
macros.h:97
lib
db
dbmi_client
c_rows.c
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