NAME¶
mongoc_find_and_modify_opts_set_max_time_ms() - Adds a maxTimeMS argument to the
builder.
SYNOPSIS¶
bool
mongoc_find_and_modify_opts_set_max_time_ms (mongoc_find_and_modify_opts_t *opts,
uint32_t max_time_ms);
PARAMETERS¶
- opts
- A mongoc_find_and_modify_opts_t
- max_time_ms
- The maximum server‐side execution time permitted, in milliseconds,
or 0 to specify no maximum time (the default setting).
DESCRIPTION¶
Adds a maxTimeMS argument to the builder.
RETURNS¶
Returns true if it successfully added the option to the builder.
SETTING MAXTIMEMS¶
void fam_opts(mongoc_collection_t *collection)
{
mongoc_find_and_modify_opts_t *opts;
bson_t reply;
bson_t *update;
bson_error_t error;
bson_t query = BSON_INITIALIZER;
bson_t extra = BSON_INITIALIZER;
bool success;
/* Find Zlatan Ibrahimovic, the striker */
BSON_APPEND_UTF8 (&query, "firstname", "Zlatan");
BSON_APPEND_UTF8 (&query, "lastname", "Ibrahimovic");
BSON_APPEND_UTF8 (&query, "profession", "Football player");
/* Bump his age */
update = BCON_NEW ("$inc", "{",
"age", BCON_INT32 (1),
"}");
opts = mongoc_find_and_modify_opts_new ();
mongoc_find_and_modify_opts_set_update (opts, update);
/* Abort if the operation takes too long. */
mongoc_find_and_modify_opts_set_max_time_ms (opts, 100);
/* Some future findAndModify option the driver doesn't support conveniently */
BSON_APPEND_INT32 (&extra, "futureOption", 42);
mongoc_find_and_modify_opts_append (opts, &extra);
success = mongoc_collection_find_and_modify_with_opts (collection, &query, opts, &reply, &error);
if (success) {
char *str;
str = bson_as_json (&reply, NULL);
printf ("%s\n", str);
bson_free (str);
} else {
fprintf(stderr, "Got error: \"%s\" on line %d\n", error.message, __LINE__);
}
bson_destroy (&reply);
bson_destroy (&extra);
bson_destroy (update);
bson_destroy (&query);
mongoc_find_and_modify_opts_destroy (opts);
}
