b65420c0bd
--HG-- branch : mjc rename : examples/c/ex_schema.c => examples/c/ex_call_center.c extra : transplant_source : %AE%E9%C4%0B%3A%C5%0EH%E1%A8%A2L%E6%D2%D6%40G%9Dzq
51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
/*
|
|
* ex_access.c Copyright (c) 2010 WiredTiger
|
|
*
|
|
* This is an example demostrating how to create and access a sequence.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include <wiredtiger.h>
|
|
|
|
const char *home = "WT_TEST";
|
|
|
|
int main()
|
|
{
|
|
int ret;
|
|
WT_CONNECTION *conn;
|
|
WT_SESSION *session;
|
|
WT_CURSOR *cursor;
|
|
wiredtiger_recno_t recno;
|
|
|
|
if ((ret = wiredtiger_open(home, NULL, "create", &conn)) != 0 ||
|
|
(ret = conn->open_session(conn, NULL, NULL, &session)) != 0)
|
|
fprintf(stderr, "Error connecting to %s: %s\n",
|
|
home, wiredtiger_strerror(ret));
|
|
/* Note: further error checking omitted for clarity. */
|
|
|
|
if (conn->is_new(conn)) {
|
|
/*
|
|
* If we created the database, create the sequence by opening a
|
|
* cursor on the sequence view and inserting a new record.
|
|
*/
|
|
ret = session->open_cursor(session, "sequence:", NULL, &cursor);
|
|
cursor->set_key(cursor, "myseq");
|
|
cursor->set_value(cursor, "cachesize=100,wrap");
|
|
ret = cursor->insert(cursor);
|
|
ret = cursor->close(cursor, NULL);
|
|
}
|
|
|
|
/* Use the sequence. */
|
|
ret = session->open_cursor(session, "sequence:myseq", NULL, &cursor);
|
|
ret = cursor->insert(cursor);
|
|
cursor->get_key(cursor, &recno);
|
|
|
|
printf("Got record number: %d\n", (int)recno);
|
|
|
|
ret = conn->close(conn, NULL);
|
|
|
|
return (ret);
|
|
}
|