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.