Man page - mongoc_find_and_modify_opts_set_flags(3)

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Manual

MONGOC_FIND_AND_MODIFY_OPTS_SET_FLAGS

SYNOPSIS
PARAMETERS
DESCRIPTION
RETURNS
SETTING FLAGS
AUTHOR
COPYRIGHT

SYNOPSIS

bool
mongoc_find_and_modify_opts_set_flags (
mongoc_find_and_modify_opts_t *opts,
const mongoc_find_and_modify_flags_t flags);

PARAMETERS

•

opts : A mongoc_find_and_modify_opts_t .

•

flags : .

DESCRIPTION

Adds one or more flags to the builder.

Image grohtml-346681-1.png

RETURNS

Returns Returns true if it successfully added the option to the builder, otherwise false and logs an error.

SETTING FLAGS

flags.c

void
fam_flags (mongoc_collection_t *collection)
{
mongoc_find_and_modify_opts_t *opts;
bson_t reply;
bson_error_t error;
bson_t query = BSON_INITIALIZER;
bson_t *update;
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");
BSON_APPEND_INT32 (&query, "age", 34);
BSON_APPEND_INT32 (&query, "goals", (16 + 35 + 23 + 57 + 16 + 14 + 28 + 84) + (1 + 6 + 62));

/* Add his football position */
update = BCON_NEW ("$set", "{", "position", BCON_UTF8 ("striker"), "}");

opts = mongoc_find_and_modify_opts_new ();

mongoc_find_and_modify_opts_set_update (opts, update);

/* Create the document if it didn't exist, and return the updated document */
mongoc_find_and_modify_opts_set_flags (opts, MONGOC_FIND_AND_MODIFY_UPSERT | MONGOC_FIND_AND_MODIFY_RETURN_NEW);

success = mongoc_collection_find_and_modify_with_opts (collection, &query, opts, &reply, &error);

if (success) {
char *str;

str = bson_as_canonical_extended_json (&reply, NULL);
printf ("%s\n", str);
bson_free (str);
} else {
fprintf (stderr, "Got error: \"%s\" on line %d\n", error.message, (int) (__LINE__));
}

bson_destroy (&reply);
bson_destroy (update);
bson_destroy (&query);
mongoc_find_and_modify_opts_destroy (opts);
}

Outputs:

{
"lastErrorObject" : {
"updatedExisting" : false,
"n" : 1,
"upserted" : {"$oid" : "56562a99d13e6d86239c7b00"}
},
"value" : {
"_id" : {"$oid" : "56562a99d13e6d86239c7b00"},
"age" : 34,
"firstname" : "Zlatan",
"goals" : 342,
"lastname" : "Ibrahimovic",
"profession" : "Football player",
"position" : "striker"
},
"ok" : 1
}

AUTHOR

MongoDB, Inc

COPYRIGHT

2009-present, MongoDB, Inc.