table of contents
| MONGOC_COLLECTION_UPDATE(3) | libmongoc | MONGOC_COLLECTION_UPDATE(3) |
SYNOPSIS¶
bool mongoc_collection_update (mongoc_collection_t *collection,
mongoc_update_flags_t flags,
const bson_t *selector,
const bson_t *update,
const mongoc_write_concern_t *write_concern,
bson_error_t *error);
PARAMETERS¶
- collection: A mongoc_collection_t <>.
- flags: A bitwise or of mongoc_update_flags_t <>.
- selector: A bson_t <https://www.mongoc.org/libbson/current/bson_t.html> containing the query to match documents for updating.
- update: A bson_t <https://www.mongoc.org/libbson/current/bson_t.html> containing the update to perform. If updating with a pipeline, a bson_t <https://www.mongoc.org/libbson/current/bson_t.html> array.
- write_concern: A mongoc_write_concern_t <>.
- error: An optional location for a bson_error_t <> or NULL.
DESCRIPTION¶
Note:
To pass additional options, use
mongoc_collection_update_one() <>, mongoc_collection_update_many()
<>, or mongoc_collection_replace_one() <>.
This function shall update documents in collection that match selector.
By default, updates only a single document. Set flags to MONGOC_UPDATE_MULTI_UPDATE to update multiple documents.
ERRORS¶
Errors are propagated via the error parameter.
RETURNS¶
Returns true if successful. Returns false and sets error if there are invalid arguments or a server or network error.
A write concern timeout or write concern error is considered a failure.
Author¶
MongoDB, Inc
Copyright¶
2009-present, MongoDB, Inc.
| December 11, 2025 | 2.2.1 |