mongoc_collection_update()¶

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 containing the query to match documents for updating.
update: A bson_t containing the update to perform.
write_concern: A mongoc_write_concern_t.
error: An optional location for a bson_error_t or NULL.

Description¶

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¶

true if successful, otherwise false and error is set.

A write concern timeout or write concern error is considered a failure.