/*
* process --
* Salvage, verify and dump the created file.
*/
void
process(void)
{
FILE *fp;
WT_CONNECTION *conn;
WT_CURSOR *cursor;
const char *key, *value;
WT_SESSION *session;
char config[100];
/* Salvage. */
config[0] = '\0';
if (verbose)
snprintf(config, sizeof(config),
"error_prefix=\"%s\",verbose=[salvage,verify],",
progname);
strcat(config, "log=(enabled=false),");
CHECK(wiredtiger_open(NULL, NULL, config, &conn) == 0);
CHECK(conn->open_session(conn, NULL, NULL, &session) == 0);
CHECK(session->salvage(session, "file:" SLVG, 0) == 0);
CHECK(conn->close(conn, 0) == 0);
/* Verify. */
CHECK(wiredtiger_open(NULL, NULL, config, &conn) == 0);
CHECK(conn->open_session(conn, NULL, NULL, &session) == 0);
CHECK(session->verify(session, "file:" SLVG, 0) == 0);
CHECK(conn->close(conn, 0) == 0);
/* Dump. */
CHECK((fp = fopen(DUMP, "w")) != NULL);
CHECK(wiredtiger_open(NULL, NULL, config, &conn) == 0);
CHECK(conn->open_session(conn, NULL, NULL, &session) == 0);
CHECK(session->open_cursor(
session, "file:" SLVG, NULL, "dump=print", &cursor) == 0);
while (cursor->next(cursor) == 0) {
if (page_type == WT_PAGE_ROW_LEAF) {
CHECK(cursor->get_key(cursor, &key) == 0);
CHECK(fputs(key, fp) >= 0);
CHECK(fputc('\n', fp) >= 0);
}
CHECK(cursor->get_value(cursor, &value) == 0);
CHECK(fputs(value, fp) >= 0);
CHECK(fputc('\n', fp) >= 0);
}
CHECK(conn->close(conn, 0) == 0);
CHECK(fclose(fp) == 0);
}
int main(void)
{
int ret;
WT_CONNECTION *conn;
WT_SESSION *session;
/*! [processes] */
/* Open a connection to the database, creating it if necessary. */
if ((ret =
wiredtiger_open(home, NULL, "create,multiprocess", &conn)) != 0)
fprintf(stderr, "Error connecting to %s: %s\n",
home, wiredtiger_strerror(ret));
/* Open a session for the current thread's work. */
if ((ret = conn->open_session(conn, NULL, NULL, &session)) != 0)
fprintf(stderr, "Error opening a session on %s: %s\n",
home, wiredtiger_strerror(ret));
/* XXX Do some work... */
/* Note: closing the connection implicitly closes open session(s). */
if ((ret = conn->close(conn, NULL)) != 0)
fprintf(stderr, "Error connecting to %s: %s\n",
home, wiredtiger_strerror(ret));
/*! [processes] */
return (ret);
}
static int
config_event_handler(void)
{
WT_CONNECTION *conn;
WT_SESSION *session;
int ret;
/*! [Configure event_handler] */
CUSTOM_EVENT_HANDLER event_handler;
event_handler.h.handle_error = handle_wiredtiger_error;
event_handler.h.handle_message = handle_wiredtiger_message;
/* Set handlers to NULL to use the default handler. */
event_handler.h.handle_progress = NULL;
event_handler.h.handle_close = NULL;
event_handler.app_id = "example_event_handler";
ret = wiredtiger_open(home,
(WT_EVENT_HANDLER *)&event_handler, "create", &conn);
/*! [Configure event_handler] */
/* Make an invalid API call, to ensure the event handler works. */
printf("ex_event_handler: expect an error message to follow\n");
ret = conn->open_session(conn, NULL, "isolation=invalid", &session);
ret = conn->close(conn, NULL);
return (ret);
}
/*
* check_copy --
* Confirm the hot backup worked.
*/
static void
check_copy(void)
{
WT_CONNECTION *conn;
WT_SESSION *session;
int ret;
wts_open(RUNDIR_BACKUP, 0, &conn);
/*
* Open a session and verify the store; some data-sources don't support
* verify.
*
* XXX
* LSM can deadlock if WT_SESSION methods are called at the wrong time,
* don't do that for now.
*/
if (!DATASOURCE("lsm") && !DATASOURCE("memrata")) {
if ((ret = conn->open_session(
conn, NULL, NULL, &session)) != 0)
die(ret, "connection.open_session");
if ((ret = session->verify(session, g.uri, NULL)) != 0)
die(ret, "session.verify: %s", g.uri);
}
if ((ret = conn->close(conn, NULL)) != 0)
die(ret, "connection.close: %s", RUNDIR_BACKUP);
}
int
main(int argc, char *argv[])
{
WT_CONNECTION *conn;
int ret;
(void)argc; /* Unused variable */
/*
* This code deliberately doesn't use the standard test_util macros,
* we don't want to link against that code to smoke-test a build.
*/
(void)system("rm -rf WT_HOME && mkdir WT_HOME");
/* Open a connection to the database, creating it if necessary. */
if ((ret = wiredtiger_open("WT_HOME", NULL, "create", &conn)) != 0) {
fprintf(stderr,
"%s: wiredtiger_open: %s\n",
argv[0], wiredtiger_strerror(ret));
return (EXIT_FAILURE);
}
/* Close the connection to the database. */
if ((ret = conn->close(conn, NULL)) != 0) {
fprintf(stderr,
"%s: WT_CONNECTION.close: %s\n",
argv[0], wiredtiger_strerror(ret));
return (EXIT_FAILURE);
}
return (EXIT_SUCCESS);
}
int
main(int argc, char *argv[])
{
WT_CONNECTION *conn;
WT_SESSION *session;
home = example_setup(argc, argv);
/* Open a connection to the database, creating it if necessary. */
error_check(wiredtiger_open(home, NULL, "create", &conn));
/*! [add collator nocase] */
error_check(conn->add_collator(conn, "nocase", &nocasecoll, NULL));
/*! [add collator nocase] */
/*! [add collator prefix10] */
error_check(conn->add_collator(conn, "prefix10", &pcoll10.iface, NULL));
/* Open a session for the current thread's work. */
error_check(conn->open_session(conn, NULL, NULL, &session));
/* Do some work... */
error_check(conn->close(conn, NULL));
/*! [add collator prefix10] */
return (EXIT_SUCCESS);
}
int
main(void)
{
int ret;
{
/*! [Open a connection] */
WT_CONNECTION *conn;
const char *home = "WT_TEST";
ret = wiredtiger_open(home, NULL, "create,transactional", &conn);
/*! [Open a connection] */
(void)conn->close(conn, NULL);
}
/*! [Get the WiredTiger library version #1] */
printf("WiredTiger version %s\n", wiredtiger_version(NULL, NULL, NULL));
/*! [Get the WiredTiger library version #1] */
{
/*! [Get the WiredTiger library version #2] */
int major, minor, patch;
(void)wiredtiger_version(&major, &minor, &patch);
printf("WiredTiger version is %d, %d (patch %d)\n",
major, minor, patch);
/*! [Get the WiredTiger library version #2] */
}
return (ret);
}
int
main(void)
{
WT_CONNECTION *conn;
WT_CURSOR *cursor;
WT_SESSION *session;
int ret;
ret = wiredtiger_open(home, NULL, "create,statistics=(all)", &conn);
ret = conn->open_session(conn, NULL, NULL, &session);
ret = session->create(
session, "table:access", "key_format=S,value_format=S");
ret = session->open_cursor(
session, "table:access", NULL, NULL, &cursor);
cursor->set_key(cursor, "key");
cursor->set_value(cursor, "value");
ret = cursor->insert(cursor);
cursor->close(cursor);
ret = session->checkpoint(session, NULL);
ret = print_database_stats(session);
ret = print_file_stats(session);
ret = print_overflow_pages(session);
ret = print_derived_stats(session);
return (conn->close(conn, NULL) == 0 ? ret : EXIT_FAILURE);
}
int
main(void)
{
WT_CONNECTION *conn;
WT_SESSION *session;
int i, j, k, ret;
/*
* Create a clean test directory for this run of the test program if the
* environment variable isn't already set (as is done by make check).
*/
if (getenv("WIREDTIGER_HOME") == NULL) {
home = "WT_HOME";
ret = system("rm -rf WT_HOME && mkdir WT_HOME");
} else
home = NULL;
/* Open a connection to the database, creating it if necessary. */
if ((ret = wiredtiger_open(home, NULL, "create", &conn)) != 0) {
fprintf(stderr, "Error connecting to %s: %s\n",
home == NULL ? "." : home, wiredtiger_strerror(ret));
return (EXIT_FAILURE);
}
/* Open a session for the current thread's work. */
if ((ret = conn->open_session(conn, NULL, NULL, &session)) != 0) {
fprintf(stderr, "Error opening a session on %s: %s\n",
home == NULL ? "." : home, wiredtiger_strerror(ret));
return (EXIT_FAILURE);
}
{
/*! [packing] */
size_t size;
char buf[50];
ret = wiredtiger_struct_size(session, &size, "iii", 42, 1000, -9);
if (size > sizeof(buf)) {
/* Allocate a bigger buffer. */
}
ret = wiredtiger_struct_pack(session, buf, size, "iii", 42, 1000, -9);
ret = wiredtiger_struct_unpack(session, buf, size, "iii", &i, &j, &k);
/*! [packing] */
}
/* Note: closing the connection implicitly closes open session(s). */
if ((ret = conn->close(conn, NULL)) != 0) {
fprintf(stderr, "Error closing %s: %s\n",
home == NULL ? "." : home, wiredtiger_strerror(ret));
return (EXIT_FAILURE);
}
return (EXIT_SUCCESS);
}
int
main(int argc, char *argv[])
{
WT_CONNECTION *conn;
WT_CURSOR *cursor;
WT_SESSION *session;
home = example_setup(argc, argv);
/* Open a connection to the database, creating it if necessary. */
error_check(wiredtiger_open(
home, NULL, "create,statistics=(fast)", &conn));
/* Open a session for the current thread's work. */
error_check(conn->open_session(conn, NULL, NULL, &session));
error_check(session->create(session, "table:world",
"key_format=r,value_format=5sii,"
"columns=(id,country,population,area)"));
/*! [open cursor #1] */
error_check(session->open_cursor(
session, "table:world", NULL, NULL, &cursor));
/*! [open cursor #1] */
/*! [open cursor #2] */
error_check(session->open_cursor(session,
"table:world(country,population)", NULL, NULL, &cursor));
/*! [open cursor #2] */
/*! [open cursor #3] */
error_check(session->open_cursor(
session, "statistics:", NULL, NULL, &cursor));
/*! [open cursor #3] */
/* Create a simple string table to illustrate basic operations. */
error_check(session->create(
session, "table:map", "key_format=S,value_format=S"));
error_check(session->open_cursor(
session, "table:map", NULL, NULL, &cursor));
error_check(cursor_insert(cursor));
error_check(cursor_reset(cursor));
error_check(cursor_forward_scan(cursor));
error_check(cursor_reset(cursor));
error_check(cursor_reverse_scan(cursor));
error_check(cursor_search_near(cursor));
error_check(cursor_update(cursor));
error_check(cursor_remove(cursor));
error_check(cursor->close(cursor));
/* Note: closing the connection implicitly closes open session(s). */
error_check(conn->close(conn, NULL));
return (EXIT_SUCCESS);
}
void
wts_close()
{
WT_CONNECTION *conn;
int ret;
conn = g.wts_conn;
if ((ret = conn->close(conn, NULL)) != 0)
die(ret, "connection.close");
}
int main(void)
{
WT_CONNECTION *conn;
WT_CURSOR *cursor;
WT_SESSION *session;
int ret;
/* Open a connection to the database, creating it if necessary. */
if ((ret = wiredtiger_open(home, NULL, "create", &conn)) != 0)
fprintf(stderr, "Error connecting to %s: %s\n",
home, wiredtiger_strerror(ret));
/* Open a session for the current thread's work. */
if ((ret = conn->open_session(conn, NULL, NULL, &session)) != 0)
fprintf(stderr, "Error opening a session on %s: %s\n",
home, wiredtiger_strerror(ret));
ret = session->create(session, "table:world",
"key_format=r,value_format=5sii,"
"columns=(id,country,population,area)");
/*! [open cursor #1] */
ret = session->open_cursor(session, "table:world", NULL, NULL, &cursor);
/*! [open cursor #1] */
/*! [open cursor #2] */
ret = session->open_cursor(session,
"table:world(country,population)", NULL, NULL, &cursor);
/*! [open cursor #2] */
/*! [open cursor #3] */
ret = session->open_cursor(session, "statistics:", NULL, NULL, &cursor);
/*! [open cursor #3] */
/* Create a simple string table to illustrate basic operations. */
ret = session->create(session, "table:map",
"key_format=S,value_format=S");
ret = session->open_cursor(session, "table:map", NULL, NULL, &cursor);
ret = cursor_insert(cursor);
ret = cursor_reset(cursor);
ret = cursor_forward_scan(cursor);
ret = cursor_reset(cursor);
ret = cursor_reverse_scan(cursor);
ret = cursor_update(cursor);
ret = cursor_remove(cursor);
ret = cursor->close(cursor);
/* Note: closing the connection implicitly closes open session(s). */
if ((ret = conn->close(conn, NULL)) != 0)
fprintf(stderr, "Error connecting to %s: %s\n",
home, wiredtiger_strerror(ret));
return (ret);
}
int
main(int argc, char *argv[])
{
int ret;
WT_CONNECTION *conn;
WT_SESSION *session;
(void)argc;
(void)argv;
fprintf(stderr, SEPARATOR "wiredtiger_open\n");
if ((ret = wiredtiger_open(".", NULL, "create", &conn)) != 0)
fail(ret);
usleep(100);
fflush(stderr);
fprintf(stderr, SEPARATOR "open_session\n");
fflush(stderr);
if ((ret = conn->open_session(conn, NULL, NULL, &session)) != 0)
fail(ret);
usleep(100);
fflush(stderr);
fprintf(stderr, SEPARATOR "create\n");
fflush(stderr);
if ((ret = session->create(
session, "table:hello", "key_format=S,value_format=S")) != 0)
fail(ret);
usleep(100);
fprintf(stderr, SEPARATOR "rename\n");
if ((ret = session->rename(
session, "table:hello", "table:world", NULL)) != 0)
fail(ret);
fflush(stdout);
fprintf(stderr, SEPARATOR "drop\n");
fflush(stdout);
if ((ret = session->drop(session, "table:world", NULL)) != 0)
fail(ret);
fprintf(stderr, SEPARATOR "WT_CONNECTION::close\n");
if ((ret = conn->close(conn, NULL)) != 0)
fail(ret);
return (0);
}
static int
run_child(const char *homedir, int op, int expect)
{
WT_CONNECTION *conn;
WT_CURSOR *cursor;
WT_SESSION *session;
int i, ret;
const char *cfg;
/*
* We expect the read-only database will allow the second read-only
* handle to succeed because no one can create or set the lock file.
*/
if (op == OP_READ)
cfg = ENV_CONFIG_RD;
else
cfg = ENV_CONFIG_WR;
if ((ret = wiredtiger_open(homedir, NULL, cfg, &conn)) == 0) {
if (expect == EXPECT_ERR)
testutil_die(
ret, "wiredtiger_open expected error, succeeded");
} else {
if (expect == EXPECT_SUCCESS)
testutil_die(
ret, "wiredtiger_open expected success, error");
/*
* If we expect an error and got one, we're done.
*/
return (0);
}
/*
* Make sure we can read the data.
*/
if ((ret = conn->open_session(conn, NULL, NULL, &session)) != 0)
testutil_die(ret, "WT_CONNECTION:open_session");
if ((ret =
session->open_cursor(session, uri, NULL, NULL, &cursor)) != 0)
testutil_die(ret, "WT_SESSION.open_cursor: %s", uri);
i = 0;
while ((ret = cursor->next(cursor)) == 0)
++i;
if (i != MAX_KV)
testutil_die(EPERM, "cursor walk");
if ((ret = conn->close(conn, NULL)) != 0)
testutil_die(ret, "conn_close");
return (0);
}
int main(void)
{
/*! [access example connection] */
WT_CONNECTION *conn;
WT_CURSOR *cursor;
WT_SESSION *session;
const char *key, *value;
int ret;
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));
return (ret);
}
/*! [access example connection] */
/*! [access example table create] */
ret = session->create(session,
"table:access", "key_format=S,value_format=S");
/*! [access example table create] */
/*! [access example cursor open] */
ret = session->open_cursor(session,
"table:access", NULL, NULL, &cursor);
/*! [access example cursor open] */
/*! [access example cursor insert] */
cursor->set_key(cursor, "key1"); /* Insert a record. */
cursor->set_value(cursor, "value1");
ret = cursor->insert(cursor);
/*! [access example cursor insert] */
/*! [access example cursor list] */
ret = cursor->reset(cursor); /* Restart the scan. */
while ((ret = cursor->next(cursor)) == 0) {
ret = cursor->get_key(cursor, &key);
ret = cursor->get_value(cursor, &value);
printf("Got record: %s : %s\n", key, value);
}
/*! [access example cursor list] */
/*! [access example close] */
ret = conn->close(conn, NULL);
/*! [access example close] */
return (ret);
}
static void
open_normal(const char *sfx, TABLE_INFO *table_data)
{
WT_CONNECTION *conn;
char buf[1024];
printf("=== wt_open normal ===\n");
if (sfx != NULL)
testutil_check(__wt_snprintf(buf, sizeof(buf),
"%s.%s", home, sfx));
else
testutil_check(__wt_snprintf(buf, sizeof(buf), "%s", home));
testutil_check(wiredtiger_open(buf, &event_handler, NULL, &conn));
verify_metadata(conn, &table_data[0]);
testutil_check(conn->close(conn, NULL));
}
/*
* wt_shutdown --
* Flush the file to disk and shut down the WiredTiger connection.
*/
static void
wt_shutdown(SHARED_CONFIG *cfg)
{
WT_CONNECTION *conn;
WT_SESSION *session;
int ret;
conn = cfg->conn;
if ((ret = conn->open_session(conn, NULL, NULL, &session)) != 0)
testutil_die(ret, "conn.session");
if ((ret = session->checkpoint(session, NULL)) != 0)
testutil_die(ret, "session.checkpoint");
if ((ret = conn->close(conn, NULL)) != 0)
testutil_die(ret, "conn.close");
}
/*
* check_copy --
* Confirm the backup worked.
*/
static void
check_copy(void)
{
WT_CONNECTION *conn;
WT_SESSION *session;
wts_open(g.home_backup, 0, &conn);
testutil_checkfmt(
conn->open_session(conn, NULL, NULL, &session),
"%s", g.home_backup);
testutil_checkfmt(
session->verify(session, g.uri, NULL),
"%s: %s", g.home_backup, g.uri);
testutil_checkfmt(conn->close(conn, NULL), "%s", g.home_backup);
}
/*! [thread main] */
int
main(void)
{
WT_CONNECTION *conn;
WT_SESSION *session;
WT_CURSOR *cursor;
pthread_t threads[NUM_THREADS];
int i, ret;
/*
* Create a clean test directory for this run of the test program if the
* environment variable isn't already set (as is done by make check).
*/
if (getenv("WIREDTIGER_HOME") == NULL) {
home = "WT_HOME";
ret = system("rm -rf WT_HOME && mkdir WT_HOME");
} else
home = NULL;
if ((ret = wiredtiger_open(home, NULL, "create", &conn)) != 0)
fprintf(stderr, "Error connecting to %s: %s\n",
home == NULL ? "." : home, wiredtiger_strerror(ret));
/* Note: further error checking omitted for clarity. */
ret = conn->open_session(conn, NULL, NULL, &session);
ret = session->create(session, "table:access",
"key_format=S,value_format=S");
ret = session->open_cursor(session, "table:access", NULL,
"overwrite", &cursor);
cursor->set_key(cursor, "key1");
cursor->set_value(cursor, "value1");
ret = cursor->insert(cursor);
ret = session->close(session, NULL);
for (i = 0; i < NUM_THREADS; i++)
ret = pthread_create(&threads[i], NULL, scan_thread, conn);
for (i = 0; i < NUM_THREADS; i++)
ret = pthread_join(threads[i], NULL);
ret = conn->close(conn, NULL);
return (ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
}
int
main(void)
{
WT_CONNECTION *conn;
WT_CURSOR *cursor;
WT_SESSION *session;
int ret;
/*
* Create a clean test directory for this run of the test program if the
* environment variable isn't already set (as is done by make check).
*/
if (getenv("WIREDTIGER_HOME") == NULL) {
home = "WT_HOME";
ret = system("rm -rf WT_HOME && mkdir WT_HOME");
} else
home = NULL;
ret = wiredtiger_open(home, NULL, "create,statistics=(all)", &conn);
ret = conn->open_session(conn, NULL, NULL, &session);
ret = session->create(
session, "table:access", "key_format=S,value_format=S");
ret = session->open_cursor(
session, "table:access", NULL, NULL, &cursor);
cursor->set_key(cursor, "key");
cursor->set_value(cursor, "value");
ret = cursor->insert(cursor);
ret = cursor->close(cursor);
ret = session->checkpoint(session, NULL);
ret = print_database_stats(session);
ret = print_file_stats(session);
ret = print_overflow_pages(session);
ret = print_derived_stats(session);
return (conn->close(conn, NULL) == 0 ? ret : EXIT_FAILURE);
}
int
main(void)
{
WT_CONNECTION *conn;
WT_SESSION *session;
int ret;
ret = wiredtiger_open(home, NULL, "create", &conn);
ret = conn->open_session(conn, NULL, NULL, &session);
ret = session->create(
session, "table:access", "key_format=S,value_format=S");
ret = print_database_stats(session);
ret = print_file_stats(session);
ret = print_overflow_pages(session);
return (conn->close(conn, NULL) == 0 ? ret : EXIT_FAILURE);
}
/*
* check_copy --
* Confirm the backup worked.
*/
static void
check_copy(void)
{
WT_CONNECTION *conn;
WT_SESSION *session;
int ret;
wts_open(g.home_backup, 0, &conn);
if ((ret = conn->open_session(
conn, NULL, NULL, &session)) != 0)
die(ret, "connection.open_session: %s", g.home_backup);
ret = session->verify(session, g.uri, NULL);
if (ret != 0)
die(ret, "session.verify: %s: %s", g.home_backup, g.uri);
if ((ret = conn->close(conn, NULL)) != 0)
die(ret, "connection.close: %s", g.home_backup);
}
int
main(int argc, char *argv[])
{
WT_CONNECTION *conn;
WT_SESSION *session;
home = example_setup(argc, argv);
error_check(
wiredtiger_open(home, NULL, "create,cache_size=500M", &conn));
add_extractor(conn);
error_check(conn->open_session(conn, NULL, NULL, &session));
setup_table(session);
read_index(session);
remove_items(session);
error_check(conn->close(conn, NULL));
return (EXIT_SUCCESS);
}
int main(void)
{
int ret;
WT_CONNECTION *conn;
WT_SESSION *session;
WT_CURSOR *cursor;
const char *key, *value;
/*! [configure cache size] */
if ((ret = wiredtiger_open(home, NULL,
"create,cache_size=500M", &conn)) != 0)
fprintf(stderr, "Error connecting to %s: %s\n",
home, wiredtiger_strerror(ret));
/*! [configure cache size] */
/*! [create a table] */
ret = conn->open_session(conn, NULL, NULL, &session);
ret = session->create(session,
"table:access", "key_format=S,value_format=S");
/*! [create a table] */
/*! [transaction] */
ret = session->begin_transaction(session, "priority=100,name=mytxn");
ret = session->open_cursor(session, "config:", NULL, NULL, &cursor);
while ((ret = cursor->next(cursor)) == 0) {
cursor->get_key(cursor, &key);
cursor->get_value(cursor, &value);
printf("configuration value: %s = %s\n", key, value);
}
ret = session->commit_transaction(session, NULL);
/*! [transaction] */
ret = conn->close(conn, NULL);
return (ret);
}
int
main(void)
{
WT_CONNECTION *conn;
WT_CURSOR *cursor;
WT_SESSION *session;
int ret, tret;
/*
* Create a clean test directory for this run of the test program if the
* environment variable isn't already set (as is done by make check).
*/
if (getenv("WIREDTIGER_HOME") == NULL) {
home = "WT_HOME";
ret = system("rm -rf WT_HOME && mkdir WT_HOME");
} else
home = NULL;
/* Open a connection, create a simple table, open a cursor. */
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));
return (ret);
}
ret = session->create(session,
"table:scope", "key_format=S,value_format=S,columns=(k,v)");
ret = session->open_cursor(session,
"table:scope", NULL, NULL, &cursor);
ret = cursor_scope_ops(cursor);
/* Close the connection and clean up. */
if ((tret = conn->close(conn, NULL)) != 0 && ret == 0)
ret = tret;
return (ret);
}
int
main(void)
{
int ret;
WT_CONNECTION *conn;
WT_SESSION *session;
/*
* Create a clean test directory for this run of the test program if the
* environment variable isn't already set (as is done by make check).
*/
if (getenv("WIREDTIGER_HOME") == NULL) {
home = "WT_HOME";
ret = system("rm -rf WT_HOME && mkdir WT_HOME");
} else
home = NULL;
/* Open a connection to the database, creating it if necessary. */
if ((ret = wiredtiger_open(home, NULL, "create", &conn)) != 0)
fprintf(stderr, "Error connecting to %s: %s\n",
home == NULL ? "." : home, wiredtiger_strerror(ret));
/*! [add collator nocase] */
ret = conn->add_collator(conn, "nocase", &nocasecoll, NULL);
/*! [add collator nocase] */
/*! [add collator prefix10] */
ret = conn->add_collator(conn, "prefix10", &pcoll10.iface, NULL);
/* Open a session for the current thread's work. */
if ((ret = conn->open_session(conn, NULL, NULL, &session)) != 0)
fprintf(stderr, "Error opening a session on %s: %s\n",
home == NULL ? "." : home, wiredtiger_strerror(ret));
/* Do some work... */
ret = conn->close(conn, NULL);
/*! [add collator prefix10] */
return (ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
}
int
main(void)
{
WT_CONNECTION *conn;
WT_SESSION *session;
int ret;
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. */
/*! [file create] */
ret = session->create(session, "file:example",
"key_format=u,"
"internal_page_max=32KB,internal_item_max=1KB,"
"leaf_page_max=1MB,leaf_item_max=32KB");
/*! [file create] */
return (conn->close(conn, NULL) == 0 ? ret : EXIT_FAILURE);
}
int
main(int argc, char *argv[])
{
WT_CONNECTION *conn;
WT_CURSOR *cursor;
WT_SESSION *session;
home = example_setup(argc, argv);
error_check(
wiredtiger_open(home, NULL, "create,statistics=(all)", &conn));
error_check(conn->open_session(conn, NULL, NULL, &session));
error_check(session->create(session,
"table:access", "key_format=S,value_format=S,columns=(k,v)"));
error_check(session->open_cursor(
session, "table:access", NULL, NULL, &cursor));
cursor->set_key(cursor, "key");
cursor->set_value(cursor, "value");
error_check(cursor->insert(cursor));
error_check(cursor->close(cursor));
error_check(session->checkpoint(session, NULL));
print_database_stats(session);
print_file_stats(session);
print_join_cursor_stats(session);
print_overflow_pages(session);
print_derived_stats(session);
error_check(conn->close(conn, NULL));
return (EXIT_SUCCESS);
}
static void
open_with_salvage(const char *sfx, TABLE_INFO *table_data)
{
WT_CONNECTION *conn;
char buf[1024];
printf("=== wt_open with salvage ===\n");
/*
* Then call wiredtiger_open with the salvage configuration setting.
* That should succeed. We should be able to then verify the contents
* of the metadata file.
*/
test_abort = true;
if (sfx != NULL)
testutil_check(__wt_snprintf(buf, sizeof(buf),
"%s.%s", home, sfx));
else
testutil_check(__wt_snprintf(buf, sizeof(buf), "%s", home));
testutil_check(wiredtiger_open(buf,
&event_handler, "salvage=true", &conn));
testutil_assert(conn != NULL);
if (sfx != NULL)
testutil_check(__wt_snprintf(buf, sizeof(buf),
"%s.%s/%s", home, sfx, WT_METAFILE_SLVG));
else
testutil_check(__wt_snprintf(buf, sizeof(buf),
"%s/%s", home, WT_METAFILE_SLVG));
testutil_assert(file_exists(buf));
/*
* Confirm we salvaged the metadata file by looking for the saved
* copy of the original metadata.
*/
printf("verify with salvaged connection\n");
verify_metadata(conn, &table_data[0]);
testutil_check(conn->close(conn, NULL));
}
int main(void)
{
WT_CONNECTION *conn;
WT_SESSION *session;
char buf[50];
size_t size;
int i, j, k, ret;
/* Open a connection to the database, creating it if necessary. */
if ((ret = wiredtiger_open(home, NULL, "create", &conn)) != 0)
fprintf(stderr, "Error connecting to %s: %s\n",
home, wiredtiger_strerror(ret));
/* Open a session for the current thread's work. */
if ((ret = conn->open_session(conn, NULL, NULL, &session)) != 0)
fprintf(stderr, "Error opening a session on %s: %s\n",
home, wiredtiger_strerror(ret));
/*! [packing] */
ret = wiredtiger_struct_size(session, &size, "iii", 42, 1000, -9);
if (size > sizeof(buf)) {
/* Allocate a bigger buffer. */
}
ret = wiredtiger_struct_pack(session, buf, size, "iii", 42, 1000, -9);
ret = wiredtiger_struct_unpack(session, buf, size, "iii", &i, &j, &k);
/*! [packing] */
/* Note: closing the connection implicitly closes open session(s). */
if ((ret = conn->close(conn, NULL)) != 0)
fprintf(stderr, "Error connecting to %s: %s\n",
home, wiredtiger_strerror(ret));
return (ret);
}
