mongoc_collection_update - Man Page

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);

• 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.

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 are propagated via the error parameter.

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.

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